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WO2014068176A1 - Method and apparatus for treating waste material and a product gas - Google Patents

Method and apparatus for treating waste material and a product gas Download PDF

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Publication number
WO2014068176A1
WO2014068176A1 PCT/FI2013/050977 FI2013050977W WO2014068176A1 WO 2014068176 A1 WO2014068176 A1 WO 2014068176A1 FI 2013050977 W FI2013050977 W FI 2013050977W WO 2014068176 A1 WO2014068176 A1 WO 2014068176A1
Authority
WO
WIPO (PCT)
Prior art keywords
radioactive agents
gaseous material
gaseous
treated
temperature
Prior art date
Application number
PCT/FI2013/050977
Other languages
French (fr)
Inventor
Esa Kurkela
Matti Nieminen
Original Assignee
Teknologian Tutkimuskeskus Vtt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teknologian Tutkimuskeskus Vtt filed Critical Teknologian Tutkimuskeskus Vtt
Priority to CN201380055097.XA priority Critical patent/CN104769680B/en
Priority to RU2015112881A priority patent/RU2621111C2/en
Priority to EP13850954.2A priority patent/EP2915169B1/en
Priority to US14/439,937 priority patent/US20150240170A1/en
Publication of WO2014068176A1 publication Critical patent/WO2014068176A1/en
Priority to US17/515,006 priority patent/US20220049170A1/en

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Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28Treating solids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/48Apparatus; Plants
    • C10J3/52Ash-removing devices
    • C10J3/523Ash-removing devices for gasifiers with stationary fluidised bed
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/463Gasification of granular or pulverulent flues in suspension in stationary fluidised beds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/48Apparatus; Plants
    • C10J3/482Gasifiers with stationary fluidised bed
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/54Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • C10J3/723Controlling or regulating the gasification process
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • C10K1/024Dust removal by filtration
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/08Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/101Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids with water only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L3/00Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/001Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/001Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/02Treating gases
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28Treating solids
    • G21F9/30Processing
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28Treating solids
    • G21F9/30Processing
    • G21F9/32Processing by incineration
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28Treating solids
    • G21F9/34Disposal of solid waste
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/09Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913Carbonaceous raw material
    • C10J2300/0946Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/09Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953Gasifying agents
    • C10J2300/0956Air or oxygen enriched air
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/12Heating the gasifier
    • C10J2300/1246Heating the gasifier by external or indirect heating
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/16Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C10J2300/1606Combustion processes
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/16Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C10J2300/1615Stripping
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/16Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C10J2300/1618Modification of synthesis gas composition, e.g. to meet some criteria
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/16Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1625Integration of gasification processes with another plant or parts within the plant with solids treatment
    • C10J2300/1628Ash post-treatment
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/18Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1846Partial oxidation, i.e. injection of air or oxygen only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2200/00Components of fuel compositions
    • C10L2200/04Organic compounds
    • C10L2200/0461Fractions defined by their origin
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/02Combustion or pyrolysis
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/04Gasification
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/06Heat exchange, direct or indirect
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/54Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
    • C10L2290/545Washing, scrubbing, stripping, scavenging for separating fractions, components or impurities during preparation or upgrading of a fuel
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/58Control or regulation of the fuel preparation of upgrading process
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00Pretreatment
    • F23G2201/30Pyrolysing
    • F23G2201/301Treating pyrogases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00Pretreatment
    • F23G2201/30Pyrolysing
    • F23G2201/303Burning pyrogases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste
    • F23G2209/18Radioactive materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/10Intercepting solids by filters
    • F23J2217/104High temperature resistant (ceramic) type
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Definitions

  • the invention relates to a method defined in the preamble of claim 1 and an apparatus defined in the preamble of claim 9 for treating waste material including organic components and radioactive agents. Further, the invention relates to a product gas de ⁇ fined in the preamble of claim 16.
  • the objective of the invention is to disclose a new type method and apparatus for treating waste ma ⁇ terial including organic components and radioactive agents. Further, the objective of the invention is to disclose a method and apparatus for treating contami ⁇ nated waste material into environmentally safe form. Further, the objective of the invention is to decrease amount of waste material. Further, the objective of the invention is to produce a new gaseous product.
  • the invention is based on a method for treat ⁇ ing waste material including organic components and radioactive agents.
  • the method comprises steps in order to form a treated gas- eous material: the waste material including organic components and radioactive agents which are low-level and/or medium-level radioactive agents is gasified at temperature between 600 - 950 °C in a reactor to form a gaseous material; the gaseous material is cooled by water quenching so that temperature is between 300 - 500 °C after the cooling; and solid fraction including radioactive agents is removed from the gaseous materi ⁇ al in a gas cleaning step.
  • the invention is based on an apparatus for treating waste material including organic components and radioactive agents.
  • the apparatus for forming a treated gaseous material comprises: a reactor in which the waste mate- rial including organic components and radioactive agents which are low-level and/or medium-level radio ⁇ active agents is gasified at temperature between 600 - 950 °C to form a gaseous material; a cooling step com ⁇ prising at least one water quenching step in which the gaseous material is cooled so that temperature is be ⁇ tween 300 - 500 °C after the cooling; and a gas cleaning device in which solid fraction including radioactive agents is removed from the gaseous material.
  • the invention is based on a product gas.
  • the product gas con ⁇ tains treated gaseous material which has been formed from waste material including organic components and radioactive agents which are low-level and/or medium- level radioactive agents so that the waste material including organic components and radioactive agents has been gasified at temperature between 600 - 950 °C in a reactor to form a gaseous material, the gaseous material has been cooled by water quenching so that temperature is between 300 - 500 °C after the cooling, and solid fraction including radioactive agents has been removed from the gaseous material in a gas clean ⁇ ing step.
  • the gaseous material is combus ⁇ tible .
  • radioactive agents refer to any radioactive material, compounds and chemical elements and their derivates.
  • radio ⁇ active agents are low-level and/or medium-level.
  • the waste material including organic components and radioactive agents means any material which includes organic and radioactive compo ⁇ nents.
  • the waste material including organic components and radioactive agents may be selected from the group containing resins, such as resins from nuclear power plant, clothes, such as industrial protective clothing and protective clothing, contaminated wood, contaminated vegetable matter such as corn, straw and hay.
  • the reactor can be a fluid- ized bed reactor, bubbling or circulating fluidized bed reactor or the like.
  • the reactor is fluidized bed reactor.
  • hot spots don't form in the reactor bed.
  • Sand, alumin ⁇ ium oxide or other suitable bed material may be used as the bed material.
  • radioactive agents and oth ⁇ er metals may partly vaporize during the gasification.
  • the gaseous material is cooled so the radioactive agents and other metals which have vaporized during the gasification are condensed and changed back solid form.
  • the the waste material in ⁇ cluding organic components and radioactive agents is gasified at temperature between 600 - 900 °C in a re ⁇ actor to form a gaseous material.
  • the the waste material is gasified at temperature be- tween 700 - 950 °C, and in one embodiment between 700 - 900 °C.
  • the the waste material is gasified at temperature between 750 - 950 °C, and in one embodiment between 750 - 900 °C.
  • the waste material in- eluding organic components and radioactive agents is gasified by air.
  • air ratio is below 1, preferably below 0.7, more prefrable below 0.5 and most preferable below 0.4.
  • the waste material includ- ing organic components and radioactive agents may be dewatered before the gasification. In one embodiment water is removed mechanically from the waste material including organic components and radioactive agents. In one embodiment the waste material including or- ganic components and radioactive agents is dried by the drying device.
  • the other organic material is added into the waste material including organic components and radioactive agents before the gasifica- tion.
  • the other organic material may be selected from the group containing oil, plastic, polymers or the like. It is important that ash content of the other organic material is low.
  • the gaseous material is cooled so that temperature is between 350 - 450 °C af ⁇ ter the cooling.
  • the gaseous material is cooled by water quenching.
  • the apparatus comprises water quenching step for cooling the gaseous material.
  • the water quenching step may include one or more devices suita- ble for carrying out water quenching.
  • the gaseous material is cooled by heat exchanger.
  • the appa ⁇ ratus comprises at least one heat exchanger for cool ⁇ ing the gaseous material.
  • the gaseous material is filtered in the gas cleaning step in order to remove solid fraction including radioactive agents.
  • the appa ⁇ ratus comprises at least one filtration device.
  • the filtration is carried out at tempera- tures between 300 - 500 °C. It is important that the temperature is not too high because, for example, at temperature 600 °C metals may traverse the filtration device.
  • the filtration device is hot gas filter.
  • the filtration de- vice includes at least one or more ceramic filter.
  • the filtration device includes at least one or more metal filter, preferably sintered metal filter .
  • the treated gaseous materi- al is burnt after the removing of the solid fraction including radioactive agents.
  • the treated gaseous material is burnt at temperature over 1000 ° C.
  • the apparatus comprises a combus ⁇ tion reactor in which the treated gaseous material is burnt after the removing of the solid fraction includ ⁇ ing radioactive agents.
  • the treated gaseous mate ⁇ rial or the gas flow of the combustion is post-treated by a gas scrubbing.
  • a gas scrubbing Preferably, sulphur is removed during the gas scrubbing.
  • the treated gaseous material may be post-treated by the gas scrubbing directly after the removing of the solid fraction including radioactive agents or alternatively the gas flow may be post-treated by the gas scrubbing after the combustion step which has been done after the removing of the solid fraction including radioactive agents.
  • the apparatus compris ⁇ es a gas scrubbing device for post-treating.
  • sulphur may be removed in connection with the combustion step of the treated gaseous material.
  • the sulphur removing is easier to carry out in connection with the gas scrubbing .
  • the product gas contains 70 - 100 vol-% treated gaseous material.
  • the product gas or the treated gaseous material is used and utilized as a fuel of energy production process. In one embodiment, the product gas or the treated gaseous material is used as a fuel as such or after the gas scrubbing.
  • the invention provides the advantage that the contaminated waste material can be purified. Thanks to the invention, radioactive fraction can be concentrat ⁇ ed and amount of the waste material, and volume of the waste material, can be decreased. By means of the in- vention even over 90 % volume reduction may be achieved in the amount of the radioactive disposal.
  • the formed radioactive fraction can be disposed as any radioactive waste. Further, by means of the invention gaseous fuel can be produced for energy production process.
  • the method and apparatus of the invention of ⁇ fers a possibility to treat contaminated waste materi ⁇ al cost-effectively and energy-effectively .
  • the pre ⁇ sent invention provides an industrially applicable, simple and affordable way of producing treated gaseous material.
  • the method and apparatus of the present in- vention is easy and simple to realize as a production process .
  • Fig. 1 presents one embodiment of the appa ⁇ ratus according to the invention.
  • Fig. 2 presents another embodiment of the ap ⁇ paratus according to the inevntion.
  • Figures 1 and 2 present the apparatuses ac- cording to the invention for treating waste material including organic components and radioactive agents.
  • the apparatus of figure 1 comprises a fluid- ized bed reactor 2 in which the waste resin material 1 including organic components and radioactive agents is gasified at temperature between 750 - 950 °C to form a gaseous material 3, a water quenching step 4 in which the gaseous material is cooled so that temperature is between 350 - 450 °C after the cooling, and a metal filtration device 6 in which solid fraction 8 including radioactive agents is removed from the gaseous ma ⁇ terial 3.
  • the waste resin material 1 may be dewatered before the gasification.
  • the apparatus comprises a combustion reactor
  • the apparatus comprises a gas scrubbing device 11 for post-treating the gas flow after the combustion of the treated gaseous material. Sulphur 10 is removed from the gas flow during the gas scrubbing 11 wherein clean exhaust gas 12 is achieved.
  • the apparatus of figure 2 comprises a fluid- ized bed reactor 2 in which the waste material 1 in ⁇ cluding organic components and radioactive agents is gasified at temperature between 600 - 950 °C to form a gaseous material 3, a heat exchanger 4 in which the gaseous material is cooled so that temperature is be ⁇ tween 300 - 500 °C after the cooling, and a metal filtration device 6 in which solid fraction 8 including radioactive agents is removed from the gaseous materi ⁇ al 3.
  • the waste material 1 comprises contaminated clothes, wood and vegetable matters.
  • the treated gaseous material 7 is used directly as a fuel of energy production process.
  • the treated gas ⁇ eous material may be post-treated by gas scrubbing be ⁇ fore the using as a fuel.
  • the treated gaseous material may be burnt in a combustion reactor and/or post-treated by a gas scrubbing.
  • the method and apparatus according to the in ⁇ vention is suitable in different embodiments for treating different kinds of waste material.

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Abstract

The invention relates to a method and apparatus for treating waste material including organic components and radioactive agents. According to the invention, the method comprising steps: the waste material including organic components and radioactive agents is gasified at temperature between 600 –950 ºC in a reactor to form a gaseous material; the gaseous material is cooled so that temperature is between 300 –500 ºC after the cooling; and solid fraction including radioactive agents is removed from the gaseous material in a gas cleaning step, in order to form a treated gaseous material. Further, the invention relates to a product gas.

Description

METHOD AND APPARATUS FOR TREATING WASTE MATERIAL AND A PRODUCT GAS
FIELD OF THE INVENTION
The invention relates to a method defined in the preamble of claim 1 and an apparatus defined in the preamble of claim 9 for treating waste material including organic components and radioactive agents. Further, the invention relates to a product gas de¬ fined in the preamble of claim 16.
BACKGROUND OF THE INVENTION
It is known from the prior art that radioac¬ tively contaminated waste is difficult to treat. Fur¬ ther, disposal of the radioactively contaminated waste is costly.
OBJECTIVE OF THE INVENTION
The objective of the invention is to disclose a new type method and apparatus for treating waste ma¬ terial including organic components and radioactive agents. Further, the objective of the invention is to disclose a method and apparatus for treating contami¬ nated waste material into environmentally safe form. Further, the objective of the invention is to decrease amount of waste material. Further, the objective of the invention is to produce a new gaseous product.
SUMMARY OF THE INVENTION
The method and apparatus according to the in¬ vention is characterized by what has been presented in the claims.
The invention is based on a method for treat¬ ing waste material including organic components and radioactive agents. According to the invention, the method comprises steps in order to form a treated gas- eous material: the waste material including organic components and radioactive agents which are low-level and/or medium-level radioactive agents is gasified at temperature between 600 - 950 °C in a reactor to form a gaseous material; the gaseous material is cooled by water quenching so that temperature is between 300 - 500 °C after the cooling; and solid fraction including radioactive agents is removed from the gaseous materi¬ al in a gas cleaning step.
Further, the invention is based on an apparatus for treating waste material including organic components and radioactive agents. According to the invention, the apparatus for forming a treated gaseous material comprises: a reactor in which the waste mate- rial including organic components and radioactive agents which are low-level and/or medium-level radio¬ active agents is gasified at temperature between 600 - 950 °C to form a gaseous material; a cooling step com¬ prising at least one water quenching step in which the gaseous material is cooled so that temperature is be¬ tween 300 - 500 °C after the cooling; and a gas cleaning device in which solid fraction including radioactive agents is removed from the gaseous material.
Further, the invention is based on a product gas. According to the invention, the product gas con¬ tains treated gaseous material which has been formed from waste material including organic components and radioactive agents which are low-level and/or medium- level radioactive agents so that the waste material including organic components and radioactive agents has been gasified at temperature between 600 - 950 °C in a reactor to form a gaseous material, the gaseous material has been cooled by water quenching so that temperature is between 300 - 500 °C after the cooling, and solid fraction including radioactive agents has been removed from the gaseous material in a gas clean¬ ing step.
Preferably, the gaseous material is combus¬ tible .
In this context, the radioactive agents refer to any radioactive material, compounds and chemical elements and their derivates. In this context, radio¬ active agents are low-level and/or medium-level.
In this context, the waste material including organic components and radioactive agents means any material which includes organic and radioactive compo¬ nents. The waste material including organic components and radioactive agents may be selected from the group containing resins, such as resins from nuclear power plant, clothes, such as industrial protective clothing and protective clothing, contaminated wood, contaminated vegetable matter such as corn, straw and hay.
Any reactor known per se can be used in the gasification. Preferably, the reactor can be a fluid- ized bed reactor, bubbling or circulating fluidized bed reactor or the like. In one embodiment the reactor is fluidized bed reactor. In the fluidized bed reactor hot spots don't form in the reactor bed. Sand, alumin¬ ium oxide or other suitable bed material may be used as the bed material.
In one embodiment radioactive agents and oth¬ er metals may partly vaporize during the gasification. When the gaseous material is cooled so the radioactive agents and other metals which have vaporized during the gasification are condensed and changed back solid form.
It is important that temperature can be con¬ trolled in the gasification. It is important for the invention that organic and radioactive agents can be removed. In the gasification the radioactive agents and other metals may partly vaporize. However, because low temperature is used in the gasification so vaporization of metals can be minimized. In the cooling the radioactive agents and other metals are condensed and changed back solid form.
In one embodiment, the the waste material in¬ cluding organic components and radioactive agents is gasified at temperature between 600 - 900 °C in a re¬ actor to form a gaseous material. In one embodiment, the the waste material is gasified at temperature be- tween 700 - 950 °C, and in one embodiment between 700 - 900 °C. In one embodiment, the the waste material is gasified at temperature between 750 - 950 °C, and in one embodiment between 750 - 900 °C.
In one embodiment, the waste material in- eluding organic components and radioactive agents is gasified by air. In a preferred embodiment air ratio is below 1, preferably below 0.7, more prefrable below 0.5 and most preferable below 0.4.
In one embodiment, the waste material includ- ing organic components and radioactive agents may be dewatered before the gasification. In one embodiment water is removed mechanically from the waste material including organic components and radioactive agents. In one embodiment the the waste material including or- ganic components and radioactive agents is dried by the drying device.
In one embodiment the other organic material is added into the waste material including organic components and radioactive agents before the gasifica- tion. The other organic material may be selected from the group containing oil, plastic, polymers or the like. It is important that ash content of the other organic material is low.
In one embodiment, the gaseous material is cooled so that temperature is between 350 - 450 °C af¬ ter the cooling. Preferably, the gaseous material is cooled by water quenching. The apparatus comprises water quenching step for cooling the gaseous material. The water quenching step may include one or more devices suita- ble for carrying out water quenching.
In one embodiment, the gaseous material is cooled by heat exchanger. In one embodiment, the appa¬ ratus comprises at least one heat exchanger for cool¬ ing the gaseous material.
In one embodiment, the gaseous material is filtered in the gas cleaning step in order to remove solid fraction including radioactive agents. The appa¬ ratus comprises at least one filtration device. In one embodiment, the filtration is carried out at tempera- tures between 300 - 500 °C. It is important that the temperature is not too high because, for example, at temperature 600 °C metals may traverse the filtration device. In one embodiment, the filtration device is hot gas filter. In one embodiment the filtration de- vice includes at least one or more ceramic filter. In one embodiment the filtration device includes at least one or more metal filter, preferably sintered metal filter .
In one embodiment, the treated gaseous materi- al is burnt after the removing of the solid fraction including radioactive agents. Preferably, the treated gaseous material is burnt at temperature over 1000 °C. In one embodiment, the apparatus comprises a combus¬ tion reactor in which the treated gaseous material is burnt after the removing of the solid fraction includ¬ ing radioactive agents.
In one embodiment, the treated gaseous mate¬ rial or the gas flow of the combustion is post-treated by a gas scrubbing. Preferably, sulphur is removed during the gas scrubbing. In one embodiment, the treated gaseous material may be post-treated by the gas scrubbing directly after the removing of the solid fraction including radioactive agents or alternatively the gas flow may be post-treated by the gas scrubbing after the combustion step which has been done after the removing of the solid fraction including radioactive agents. In one embodiment, the apparatus compris¬ es a gas scrubbing device for post-treating.
In one embodiment sulphur may be removed in connection with the combustion step of the treated gaseous material. However, the sulphur removing is easier to carry out in connection with the gas scrubbing .
In one embodiment, the product gas contains 70 - 100 vol-% treated gaseous material.
In one embodiment, the product gas or the treated gaseous material is used and utilized as a fuel of energy production process. In one embodiment, the product gas or the treated gaseous material is used as a fuel as such or after the gas scrubbing.
The invention provides the advantage that the contaminated waste material can be purified. Thanks to the invention, radioactive fraction can be concentrat¬ ed and amount of the waste material, and volume of the waste material, can be decreased. By means of the in- vention even over 90 % volume reduction may be achieved in the amount of the radioactive disposal. The formed radioactive fraction can be disposed as any radioactive waste. Further, by means of the invention gaseous fuel can be produced for energy production process.
The method and apparatus of the invention of¬ fers a possibility to treat contaminated waste materi¬ al cost-effectively and energy-effectively . The pre¬ sent invention provides an industrially applicable, simple and affordable way of producing treated gaseous material. The method and apparatus of the present in- vention is easy and simple to realize as a production process .
LIST OF FIGURES
In the following section, the invention will be described with the aid of detailed exemplary embod¬ iments, referring to the accompanying figure wherein
Fig. 1 presents one embodiment of the appa¬ ratus according to the invention, and
Fig. 2 presents another embodiment of the ap¬ paratus according to the inevntion.
DETAILED DESCRIPTION OF THE INVENTION
Figures 1 and 2 present the apparatuses ac- cording to the invention for treating waste material including organic components and radioactive agents.
Example 1
The apparatus of figure 1 comprises a fluid- ized bed reactor 2 in which the waste resin material 1 including organic components and radioactive agents is gasified at temperature between 750 - 950 °C to form a gaseous material 3, a water quenching step 4 in which the gaseous material is cooled so that temperature is between 350 - 450 °C after the cooling, and a metal filtration device 6 in which solid fraction 8 including radioactive agents is removed from the gaseous ma¬ terial 3. The waste resin material 1 may be dewatered before the gasification.
The apparatus comprises a combustion reactor
9 in which the treated gaseous material 7 is burnt at temperature over 1000 °C after the removing of the sol¬ id fraction 8 including radioactive agents. Further, the apparatus comprises a gas scrubbing device 11 for post-treating the gas flow after the combustion of the treated gaseous material. Sulphur 10 is removed from the gas flow during the gas scrubbing 11 wherein clean exhaust gas 12 is achieved.
Example 2
The apparatus of figure 2 comprises a fluid- ized bed reactor 2 in which the waste material 1 in¬ cluding organic components and radioactive agents is gasified at temperature between 600 - 950 °C to form a gaseous material 3, a heat exchanger 4 in which the gaseous material is cooled so that temperature is be¬ tween 300 - 500 °C after the cooling, and a metal filtration device 6 in which solid fraction 8 including radioactive agents is removed from the gaseous materi¬ al 3. In this example the waste material 1 comprises contaminated clothes, wood and vegetable matters.
The treated gaseous material 7 is used directly as a fuel of energy production process. The treated gas¬ eous material may be post-treated by gas scrubbing be¬ fore the using as a fuel. Alternatively, the treated gaseous material may be burnt in a combustion reactor and/or post-treated by a gas scrubbing.
The devices used in this invention are known per se in the art, and therefore they are not de- scribed in any more detail in this context.
The method and apparatus according to the in¬ vention is suitable in different embodiments for treating different kinds of waste material.
The invention is not limited merely to the examples referred to above; instead many variations are possible within the scope of the inventive idea defined by the claims.

Claims

1. A method for treating waste material in¬ cluding organic components and radioactive agents, c h a r a c t e r i z e d in that the method comprising steps
- the waste material including organic components and radioactive agents which are low-level and/or medium-level radioactive agents is gasified at temperature between 600 - 950 °C in a reactor to form a gaseous material,
- the gaseous material is cooled by water quenching so that temperature is between 300 - 500 °C after the cooling, and
- solid fraction including radioactive agents is removed from the gaseous material in a gas clean¬ ing step,
in order to form a treated gaseous material.
2. The method according to claim 1, c h a r a c t e r i z e d in that the gaseous material is com- bustible.
3. The method according to claim 1 or 2, c h a r a c t e r i z e d in that the gaseous material is cooled by heat exchanger.
4. The method according to any one of claims 1 to 3, c h a r a c t e r i z e d in that the gaseous ma¬ terial is filtered in the gas cleaning step.
5. The method according to claim 4, c h a r a c t e r i z e d in that the filtration is carried out at temperatures between 300 - 500 °C.
6. The method according to any one of claims
1 to 5, c h a r a c t e r i z e d in that the treated gaseous material is burnt after the removing of the sol¬ id fraction including radioactive agents.
7. The method according to any one of claims 1 to 6, c h a r a c t e r i z e d in that the treated gaseous material is post-treated by a gas scrubbing.
8. The method according to any one of claims 1 to 7, c h a r a c t e r i z e d in that other organic material is added into the waste material including organic components and radioactive agents before the gasification.
9. An apparatus for treating waste material (1) including organic components and radioactive agents, c h a r a c t e r i z e d in that the apparatus for forming a treated gaseous material (7) comprises - a reactor (2) in which the waste material (1) in¬ cluding organic components and radioactive agents which are low-level and/or medium-level radioac¬ tive agents is gasified at temperature between 600 - 950 °C to form a gaseous material (3) , - a cooling step (4) comprising at least one water quenching step in which the gaseous material (3) is cooled so that temperature is between 300 - 500 °C after the cooling, and
- a gas cleaning device (6) in which solid fraction (8) including radioactive agents is removed from the gaseous material.
10. The apparatus according to claim 9, c h a r a c t e r i z e d in that the reactor (2) is flu- idized bed reactor.
11. The apparatus according to claim 9 or 10, c h a r a c t e r i z e d in that the apparatus comprises at least one heat exchanger (4) for cooling the gase¬ ous material.
12. The apparatus according to any one of claims 9 to 11, c h a r a c t e r i z e d in that the ap¬ paratus comprises at least one filtration device (6) .
13. The apparatus according to claim 12, c h a r a c t e r i z e d in that the filtration device (6) is hot gas filter.
14. The apparatus according to any one of claims 9 to 13, c h a r a c t e r i z e d in that the ap- paratus comprises a combustion reactor (9) in which the treated gaseous material (7) is burnt after the re¬ moving of the solid fraction (8) including radioactive agents .
15. The apparatus according to any one of claims 9 to 14, c h a r a c t e r i z e d in that the ap¬ paratus comprises a gas scrubbing device (11) for post-treating.
16. A product gas, characterized in that the product gas contains treated gaseous material which has been formed from waste material including organic components and radioactive agents which are low-level and/or medium-level radioactive agents so that the waste material has been gasified at temperature be¬ tween 600 - 950 °C in a reactor to form a gaseous ma¬ terial, the gaseous material has been cooled by water quenching so that temperature is between 300 - 500 °C after the cooling, and solid fraction including radioactive agents has been removed from the gaseous mate¬ rial in a gas cleaning step.
17. The product gas according to claim 16, c h a r a c t e r i z e d in that the product gas con¬ tains 70 - 100 vol-% treated gaseous material.
PCT/FI2013/050977 2012-10-31 2013-10-09 Method and apparatus for treating waste material and a product gas WO2014068176A1 (en)

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EP13850954.2A EP2915169B1 (en) 2012-10-31 2013-10-09 Method for treating waste material
US14/439,937 US20150240170A1 (en) 2012-10-31 2013-10-09 Method and apparatus for treating waste material and a product gas
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EP2915169A1 (en) 2015-09-09
FI126167B (en) 2016-07-29
FI20126130A (en) 2014-05-01
RU2015112881A (en) 2016-12-20
CN104769680B (en) 2020-11-10
EP2915169A4 (en) 2016-06-22
US20150240170A1 (en) 2015-08-27
EP2915169B1 (en) 2019-06-19
US20220049170A1 (en) 2022-02-17
CN104769680A (en) 2015-07-08
RU2621111C2 (en) 2017-05-31

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