DE102015003255A1 - Process for exhaust aftertreatment and exhaust aftertreatment system - Google Patents
Process for exhaust aftertreatment and exhaust aftertreatment system Download PDFInfo
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- DE102015003255A1 DE102015003255A1 DE102015003255.0A DE102015003255A DE102015003255A1 DE 102015003255 A1 DE102015003255 A1 DE 102015003255A1 DE 102015003255 A DE102015003255 A DE 102015003255A DE 102015003255 A1 DE102015003255 A1 DE 102015003255A1
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- Germany
- Prior art keywords
- exhaust gas
- adsorbent
- exhaust
- internal combustion
- combustion engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
- B01D53/949—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start for storing sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/12—Adding substances to exhaust gases the substance being in solid form, e.g. pellets or powder
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Treating Waste Gases (AREA)
Abstract
Verfahren zur Abgasnachbehandlung von eine Brennkraftmaschine (10) verlassendem Abgas (15), wobei das Abgas (15) über eine Auskopplungsstrecke (11) für thermische Energie des Abgases geführt wird, wobei zur Konditionierung des Abgases (15) für die thermische Auskopplung in das Abgas (15) in Strömungsrichtung desselben gesehen stromabwärts der Brennkraftmaschine (10) ein Adsorbens (16) eingebracht und mit dem Abgas (15) vermischt, und anschließend in einer Filtereinheit (13) von den im Abgas enthaltenen partikulären Bestandteilen und dem mit Schadkomponenten beladenen Adsorbens gereinigt wird.A method for exhaust aftertreatment of an internal combustion engine (10) leaving the exhaust gas (15), wherein the exhaust gas (15) via a coupling path (11) for thermal energy of the exhaust gas is performed, wherein for conditioning of the exhaust gas (15) for the thermal outcoupling into the exhaust gas (15) downstream of the internal combustion engine (10) seen in the flow direction of the same an adsorbent (16) introduced and mixed with the exhaust gas (15), and then in a filter unit (13) cleaned of the particulate matter contained in the exhaust gas and laden with Schadkomponenten adsorbent becomes.
Description
Die Erfindung betrifft ein Verfahren zur Abgasnachbehandlung. Des Weiteren betrifft die Erfindung ein Abgasnachbehandlungssystem.The invention relates to a method for exhaust aftertreatment. Furthermore, the invention relates to an exhaust aftertreatment system.
Beim Betrieb von Brennkraftmaschinen spielt die Abgasnachbehandlung eine immer größere Rolle. So ist es aus der Praxis bekannt, zur Reduktion von Abgasemissionen das eine Brennkraftmaschine verlassende Abgas über Katalysatoren und/oder Partikelfilter zu führen. Ferner ist es aus anderen Abgasnachbehandlungssystemen bekannt, zur Wärmerückgewinnung das eine Brennkraftmaschine verlassende Abgas über eine Auskopplungsstrecke für thermische Energie zu führen, um die im Abgas enthaltene thermische Energie nutzbar zu machen.In the operation of internal combustion engines, the exhaust aftertreatment plays an increasingly important role. Thus, it is known from practice to lead the exhaust gas leaving an internal combustion engine via catalysts and / or particulate filter to reduce exhaust emissions. Furthermore, it is known from other exhaust aftertreatment systems, for heat recovery, the exhaust gas leaving an internal combustion engine to lead over a coupling path for thermal energy to make available the thermal energy contained in the exhaust gas.
Der effektive Betrieb eines Abgasnachbehandlungssystems mit einer solchen Auskopplungsstrecke für thermische Energie des Abgases stellt eine große Herausforderung dar und bietet derzeit noch erhebliches Verbesserungspotential. Es besteht daher Bedarf an einem Verfahren zur Abgasnachbehandlung sowie an einem Abgasnachbehandlungssystem, mit Hilfe dessen im Bereich einer Auskopplungsstrecke thermische Energie effektiver aus dem Abgas zurückgewonnen werden kann, indem das Abgas von Schwefelverbindungen, Partikeln und weiteren für diesen Prozess schadhaften Komponenten gereinigt wird. Dieses, für die thermische Auskopplung konditionierte Abgas, ist desweiteren in Bezug auf alle anderen folgenden Prozessschritte der Abgasnachbehandlung als vorteilhaft zu erachten.The effective operation of an exhaust aftertreatment system with such a thermal energy extraction path of the exhaust gas poses a great challenge and currently offers considerable potential for improvement. There is therefore a need for a method for exhaust aftertreatment as well as an exhaust aftertreatment system by means of which thermal energy can be recovered more effectively from the exhaust gas in the region of a decoupling path by cleaning the exhaust gas from sulfur compounds, particles and other components which are defective for this process. This exhaust gas conditioned for the thermal decoupling is furthermore to be regarded as advantageous in relation to all other subsequent process steps of the exhaust gas aftertreatment.
Hiervon ausgehend liegt der Erfindung die Aufgabe zu Grunde, ein neuartiges Verfahren zur Abgasnachbehandlung und ein Abgasnachbehandlungssystem zu schaffen. Diese Aufgabe wird durch ein Verfahren gemäß Anspruch 1 gelöst. Erfindungsgemäß wird zur Konditionierung des Abgases für die thermische Auskopplung und sonstige Prozessschritte der Abgasnachbehandlung in Strömungsrichtung des Abgases stromabwärts der Brennkraftmaschine ein Adsorbens in das Abgas eingebracht und mit dem Abgas vermischt, wobei anschließend das mit Schwefelverbindungen und weiteren Schadkomponenten belastete Adsorbens, zusammen mit weiteren partikulären Abgasbestandteilen, mit Hilfe einer Filtereinrichtung aus dem Abgas entfernt wird.On this basis, the invention is based on the object to provide a novel method for exhaust aftertreatment and an exhaust aftertreatment system. This object is achieved by a method according to claim 1. According to the invention, an adsorbent is introduced into the exhaust gas and mixed with the exhaust gas for conditioning the exhaust gas for thermal decoupling and other process steps of the exhaust gas aftertreatment in the flow direction of the exhaust gas, followed by the loaded with sulfur compounds and other harmful components adsorbent, together with other particulate exhaust components , is removed by means of a filter device from the exhaust gas.
Die erfindungsgemäße Konditionierung des Abgases, umfassend die Einbringung eines Adsorbens, die Reaktion dieses Adsorbens mit den im Abgas enthaltenen bereits beschriebenen Schadkomponenten und die Entfernung des mit Schadkomponenten beladenen Adsorbens und weiterer partikulärer Abgasbestandteile, ermöglicht es, im Bereich der Auskopplungsstrecke effektiver thermischer Energie aus dem Abgas nutzbar zu machen und bietet desweiteren Vorteile bei allen weiteren Prozessschritten der Abgasnachbehandlung. Hiermit kann ein hoher Gesamtwirkungsgrad für ein das Abgasnachbehandlungssystem aufweisendes und mit einer Brennkraftmaschine ausgestattetes Energiegenerations- oder Propulsionssystem erzielt werden.The conditioning of the exhaust gas according to the invention, comprising the introduction of an adsorbent, the reaction of this adsorbent with the harmful components already described in the exhaust gas and the removal of the adsorbent laden with harmful components and further particulate exhaust gas components, makes it possible to obtain effective thermal energy from the exhaust gas in the region of the outcoupling path Furthermore, it offers advantages in all further process steps of exhaust aftertreatment. This can achieve a high overall efficiency for an exhaust aftertreatment system having and equipped with an internal combustion engine energy generation or Propulsionssystem.
Nach einer vorteilhaften Weiterbildung der Erfindung wird das Adsorbens stromabwärts der Brennkraftmaschine in das Abgas eingebracht und mit dem Abgas vermischt wird, wobei die Abgastemperatur beim Einbringen des Adsorbens vorzugsweise größer als 250°C ist, und wobei das Adsorbens der chemisorptiven Reduktion von Schwefelverbindungen und vorzugsweise zusätzlich der Bindung von weiteren im Abgas enthaltenen Schadkomponenten dient. Hiermit ist eine besonders vorteilhafte Konditionierung des Abgases für die thermische Auskopplung und alle weiteren Prozessschritte der Abgasnachbehandlung möglich.According to an advantageous embodiment of the invention, the adsorbent is introduced downstream of the internal combustion engine in the exhaust gas and mixed with the exhaust gas, wherein the exhaust gas temperature during introduction of the adsorbent is preferably greater than 250 ° C, and wherein the adsorbent of the chemisorptive reduction of sulfur compounds and preferably additionally the binding of other harmful components contained in the exhaust gas is used. This makes possible a particularly advantageous conditioning of the exhaust gas for the thermal decoupling and all further process steps of the exhaust gas aftertreatment.
Vorzugsweise wird das Adsorbens trocken als Pulver in das Abgas eingebracht. Das Einbringen eines trockenen Pulvers als Adsorbens ermöglicht eine Steigerung der im Rahmen der thermischen Auskopplung nutzbaren Enthalpie und erhöht somit den Wirkungsgrad des Gesamtsystems. Weitere positive Effekte ergeben sich durch die Einsparung eventueller Prozesstechnischer Anlagen zur Flüssigkeitsversorgung und -entsorgung.Preferably, the adsorbent is introduced dry as a powder in the exhaust gas. The introduction of a dry powder as an adsorbent makes it possible to increase the enthalpy which can be used in the context of thermal decoupling and thus increases the efficiency of the overall system. Further positive effects result from the saving of any process equipment for liquid supply and disposal.
Nach einer vorteilhaften Weiterbildung der Erfindung ist die Abgastemperatur auch bei der Entschwefelung und Entstaubung in einem Abgasreinigungsfilter größer als 250°C.According to an advantageous embodiment of the invention, the exhaust gas temperature is also greater than 250 ° C in the desulfurization and dedusting in an exhaust gas purification filter.
Das erfindungsgemäße Abgasnachbehandlungssystem ist in Anspruch 9 definiert.The exhaust aftertreatment system according to the invention is defined in claim 9.
Bevorzugte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung. Ausführungsbeispiele der Erfindung werden, ohne hierauf beschränkt zu sein, an Hand der Zeichnung näher erläutert.Preferred embodiments of the invention will become apparent from the dependent claims and the description below. Embodiments of the invention will be described, without being limited thereto, with reference to the drawings.
Dabei zeigt:Showing:
Die Erfindung betrifft ein Verfahren zur Abgasnachbehandlung von eine Brennkraftmaschine verlassendem Abgas sowie ein Abgasnachbehandlungssystem zur Durchführung des Verfahrens.The invention relates to a method for exhaust aftertreatment of an internal combustion engine leaving exhaust gas and an exhaust aftertreatment system for carrying out the method.
Mit der Erfindung wird eine Konditionierung des Abgases
Die erfindungsgemäße Konditionierung des Abgases
Das Adsorbens
Das in das Abgas
Als Adsorbens
Wie bereits ausgeführt, wird das in das Abgas
Wie ebenfalls bereits ausgeführt, wird anschließend das mit Schwefelverbindungen und weiteren Schadkomponenten belastete Adsorbens, zusammen mit weiteren partikulären Abgasbestandteilen, mit Hilfe einer Filtereinheit aus dem Abgas entfernt, wobei es sich bei dieser Filtereinheit
Bei der Filtration in der Filtereinheit
In Abhängigkeit des genutzten Adsorbens, kann das Verfahren mit einem Rezirkulationssystem erweitert werden, welches Adsorbens, das im Bereich der Filtereinheit
Die Erfindung kommt vorzugsweise bei Großbrennkraftmaschinen zum Einsatz. Bei einer solchen Großbrennkraftmaschine kann es sich zum Beispiel um eine in Kraftwerken oder maritimen Anwendungen genutzte Großbrennkraftmaschine handeln, welche mit verschiedenen Formen von flüssigen oder gasförmigen Kraftstoffen, fossilen oder regenerativen Ursprungs betrieben werden kann.The invention is preferably used in large internal combustion engines. Such a large internal combustion engine can be, for example, a large combustion engine used in power plants or maritime applications, which can be operated with various forms of liquid or gaseous fuels, fossil or regenerative origin.
Mit der Erfindung ist eine optimale Konditionierung von eine Brennkraftmaschine
Claims (9)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015003255.0A DE102015003255A1 (en) | 2015-03-16 | 2015-03-16 | Process for exhaust aftertreatment and exhaust aftertreatment system |
JP2017548418A JP6602885B2 (en) | 2015-03-16 | 2016-03-15 | Exhaust gas aftertreatment method and exhaust gas aftertreatment system |
PCT/EP2016/055597 WO2016146637A1 (en) | 2015-03-16 | 2016-03-15 | Method for exhaust gas aftertreatment, and an exhaust gas aftertreatment system |
EP16711564.1A EP3271052A1 (en) | 2015-03-16 | 2016-03-15 | Method for exhaust gas aftertreatment, and an exhaust gas aftertreatment system |
CN201680016110.4A CN107429587A (en) | 2015-03-16 | 2016-03-15 | Method and exhaust after treatment system for exhaust aftertreatment |
KR1020177022904A KR20170104587A (en) | 2015-03-16 | 2016-03-15 | Exhaust gas post-treatment method and exhaust gas post-treatment system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102015003255.0A DE102015003255A1 (en) | 2015-03-16 | 2015-03-16 | Process for exhaust aftertreatment and exhaust aftertreatment system |
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DE102015003255A1 true DE102015003255A1 (en) | 2016-09-22 |
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DE102015003255.0A Ceased DE102015003255A1 (en) | 2015-03-16 | 2015-03-16 | Process for exhaust aftertreatment and exhaust aftertreatment system |
Country Status (6)
Country | Link |
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EP (1) | EP3271052A1 (en) |
JP (1) | JP6602885B2 (en) |
KR (1) | KR20170104587A (en) |
CN (1) | CN107429587A (en) |
DE (1) | DE102015003255A1 (en) |
WO (1) | WO2016146637A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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AT523651B1 (en) * | 2020-04-21 | 2021-10-15 | Scheuch Gmbh | Exhaust aftertreatment device |
JP2023170353A (en) * | 2022-05-19 | 2023-12-01 | 三菱重工業株式会社 | Treatment method for exhaust gas, and facility executing method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008041530A1 (en) * | 2008-08-25 | 2010-03-04 | Dirk Dombrowski | Process and exhaust system for the purification of SOx-containing exhaust gases, in particular marine propulsion engines |
DE102010016004A1 (en) * | 2009-03-17 | 2010-09-23 | Hellmich Gmbh U. Co Kg | Flue gas cleaning method for operation of e.g. ship, involves removing sulfur-containing constituents from gas stream by dry adsorption, and discharging gases through smokestack, where dry adsorption is performed by granules |
DE102010042419A1 (en) * | 2010-10-13 | 2012-04-19 | Wolfgang Bengel | Method for cleaning exhaust gas mass flow of marine engine, involves utilizing fine dust filter behind marine engine for cleaning of exhaust gases of marine engine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3580696D1 (en) * | 1984-04-19 | 1991-01-10 | Waagner Biro Ag | METHOD AND DEVICE FOR THE FLUE GAS DESULFURATION OF COMBUSTION PLANTS. |
US4650647A (en) * | 1984-12-05 | 1987-03-17 | Takuma Co., Ltd. | Apparatus for removing acid constituents from waste-gas |
JPS61178022A (en) * | 1985-02-05 | 1986-08-09 | Mitsubishi Heavy Ind Ltd | Simultaneous treatment of so2, so3 and dust |
JP3091064U (en) * | 2002-05-08 | 2003-01-17 | 三共技研工業株式会社 | Exhaust gas treatment equipment |
DE102010042271A1 (en) * | 2010-10-11 | 2012-04-12 | Robert Bosch Gmbh | Method for temperature management of emission control system in exhaust duct of internal combustion engine, involves including operation modes of thermoelectric generators in temperature management of emission control system |
JP2014043814A (en) * | 2012-08-27 | 2014-03-13 | National Maritime Research Institute | Exhaust gas purification system and vessel mounted with the same |
JP2014094352A (en) * | 2012-11-09 | 2014-05-22 | Mitsubishi Heavy Ind Ltd | Device and method for exhaust gas treatment |
JP2014126298A (en) * | 2012-12-26 | 2014-07-07 | Mitsubishi Heavy Ind Ltd | Instrument for measuring so3 content in exhaust gas, heavy fuel burning boiler system and operation method of the same |
-
2015
- 2015-03-16 DE DE102015003255.0A patent/DE102015003255A1/en not_active Ceased
-
2016
- 2016-03-15 CN CN201680016110.4A patent/CN107429587A/en active Pending
- 2016-03-15 WO PCT/EP2016/055597 patent/WO2016146637A1/en active Application Filing
- 2016-03-15 EP EP16711564.1A patent/EP3271052A1/en not_active Withdrawn
- 2016-03-15 JP JP2017548418A patent/JP6602885B2/en active Active
- 2016-03-15 KR KR1020177022904A patent/KR20170104587A/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008041530A1 (en) * | 2008-08-25 | 2010-03-04 | Dirk Dombrowski | Process and exhaust system for the purification of SOx-containing exhaust gases, in particular marine propulsion engines |
DE102010016004A1 (en) * | 2009-03-17 | 2010-09-23 | Hellmich Gmbh U. Co Kg | Flue gas cleaning method for operation of e.g. ship, involves removing sulfur-containing constituents from gas stream by dry adsorption, and discharging gases through smokestack, where dry adsorption is performed by granules |
DE102010042419A1 (en) * | 2010-10-13 | 2012-04-19 | Wolfgang Bengel | Method for cleaning exhaust gas mass flow of marine engine, involves utilizing fine dust filter behind marine engine for cleaning of exhaust gases of marine engine |
Also Published As
Publication number | Publication date |
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KR20170104587A (en) | 2017-09-15 |
JP6602885B2 (en) | 2019-11-06 |
WO2016146637A1 (en) | 2016-09-22 |
CN107429587A (en) | 2017-12-01 |
JP2018507985A (en) | 2018-03-22 |
EP3271052A1 (en) | 2018-01-24 |
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