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FR3093732B1 - Procédé de production d’une biomasse cellulaire microbienne ayant des propriétés de floculant - Google Patents

Procédé de production d’une biomasse cellulaire microbienne ayant des propriétés de floculant Download PDF

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Publication number
FR3093732B1
FR3093732B1 FR1902451A FR1902451A FR3093732B1 FR 3093732 B1 FR3093732 B1 FR 3093732B1 FR 1902451 A FR1902451 A FR 1902451A FR 1902451 A FR1902451 A FR 1902451A FR 3093732 B1 FR3093732 B1 FR 3093732B1
Authority
FR
France
Prior art keywords
producing
microbial cell
cell biomass
flocculant properties
flocculant
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1902451A
Other languages
English (en)
Other versions
FR3093732A1 (fr
Inventor
Yolaine Bessiere
Etienne Paul
Jean-Noël Louvet
Elise Blanchet
Etienne Mengelle
Simon Dubos
Mansour Bounouba
Carine Saux
Ferreira Ana Morgado
Dores Cirne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre National de la Recherche Scientifique CNRS
Institut National des Sciences Appliquees de Toulouse
Institut National de Recherche pour lAgriculture lAlimentation et lEnvironnement
Original Assignee
Centre National de la Recherche Scientifique CNRS
Institut National des Sciences Appliquees de Toulouse
Institut National de la Recherche Agronomique INRA
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 Centre National de la Recherche Scientifique CNRS, Institut National des Sciences Appliquees de Toulouse, Institut National de la Recherche Agronomique INRA filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR1902451A priority Critical patent/FR3093732B1/fr
Priority to EP20725868.2A priority patent/EP3938488A1/fr
Priority to PCT/FR2020/050489 priority patent/WO2020183103A1/fr
Publication of FR3093732A1 publication Critical patent/FR3093732A1/fr
Priority to US17/434,794 priority patent/US20220242759A1/en
Application granted granted Critical
Publication of FR3093732B1 publication Critical patent/FR3093732B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20—Bacteria; Culture media therefor
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/06—Nutrients for stimulating the growth of microorganisms
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biotechnology (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
  • Biomedical Technology (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

L’objet de la présente invention se rapporte à une biomasse cellulaire microbienne ayant des propriétés de floculant, à son procédé d’obtention et à son utilisation dans le traitement par floculation.
FR1902451A 2019-03-11 2019-03-11 Procédé de production d’une biomasse cellulaire microbienne ayant des propriétés de floculant Active FR3093732B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1902451A FR3093732B1 (fr) 2019-03-11 2019-03-11 Procédé de production d’une biomasse cellulaire microbienne ayant des propriétés de floculant
EP20725868.2A EP3938488A1 (fr) 2019-03-11 2020-03-10 Procédé de production d'une biomasse cellulaire microbienne ayant des propriété de floculant
PCT/FR2020/050489 WO2020183103A1 (fr) 2019-03-11 2020-03-10 Procédé de production d'une biomasse cellulaire microbienne ayant des propriété de floculant
US17/434,794 US20220242759A1 (en) 2019-03-11 2021-03-10 Method for producing microbial cellular biomass having flocculant properties

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1902451 2019-03-11
FR1902451A FR3093732B1 (fr) 2019-03-11 2019-03-11 Procédé de production d’une biomasse cellulaire microbienne ayant des propriétés de floculant

Publications (2)

Publication Number Publication Date
FR3093732A1 FR3093732A1 (fr) 2020-09-18
FR3093732B1 true FR3093732B1 (fr) 2022-11-11

Family

ID=67383987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1902451A Active FR3093732B1 (fr) 2019-03-11 2019-03-11 Procédé de production d’une biomasse cellulaire microbienne ayant des propriétés de floculant

Country Status (4)

Country Link
US (1) US20220242759A1 (fr)
EP (1) EP3938488A1 (fr)
FR (1) FR3093732B1 (fr)
WO (1) WO2020183103A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113136351B (zh) * 2021-04-25 2023-04-07 重庆融极浩瀚生物技术有限公司 一种复合微生物絮凝剂及其制备方法和应用
CN115072880B (zh) * 2021-11-29 2024-01-26 江苏宜裕环保科技有限公司 一种生物絮凝剂及其应用

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA122321C2 (uk) * 2014-04-01 2020-10-26 Дуктор Ой Система для одержання біогазу з вихідної сировини

Also Published As

Publication number Publication date
EP3938488A1 (fr) 2022-01-19
WO2020183103A1 (fr) 2020-09-17
FR3093732A1 (fr) 2020-09-18
US20220242759A1 (en) 2022-08-04

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