FR2821347A1 - Aqueous solution treatment procedure uses fermentation between two membrane treatments with same membrane - Google Patents

Aqueous solution treatment procedure uses fermentation between two membrane treatments with same membrane Download PDF

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Publication number
FR2821347A1
FR2821347A1 FR0102463A FR0102463A FR2821347A1 FR 2821347 A1 FR2821347 A1 FR 2821347A1 FR 0102463 A FR0102463 A FR 0102463A FR 0102463 A FR0102463 A FR 0102463A FR 2821347 A1 FR2821347 A1 FR 2821347A1
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France
Prior art keywords
membrane
treatment
fermentation
aqueous solution
solution treatment
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.)
Withdrawn
Application number
FR0102463A
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French (fr)
Inventor
Stephane Vanlaer
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.)
VANLAER FLUIDES ET AUTOMATION
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VANLAER FLUIDES ET AUTOMATION
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Filing date
Publication date
Application filed by VANLAER FLUIDES ET AUTOMATION filed Critical VANLAER FLUIDES ET AUTOMATION
Priority to FR0102463A priority Critical patent/FR2821347A1/en
Publication of FR2821347A1 publication Critical patent/FR2821347A1/en
Withdrawn legal-status Critical Current

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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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B01D61/146—Ultrafiltration comprising multiple ultrafiltration steps
    • 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

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The treatment procedure, especially for aqueous solutions containing non-soluble materials such as oil in suspension and a soluble fermentable fraction, consists of a pre-treatment using a separating membrane, followed by fermentation, and then separation of the macro-products of fermentation using the same membrane as for the pre-treatment. The system employing the procedure has sets of valves for selective membrane feeds and for passing the separation products to selected destinations. The membrane system can be adapted physically or chemically to act as pressure regulators for two treated solutions.

Description

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La présente invention concerne un traitement de solution aqueuse comprenant principalement et dans l'ordre, un traitement séparatif par membrane, une fermentation aérobie suivie d'un deuxième traitement sur membrane.  The present invention relates to an aqueous solution treatment comprising mainly and in order, a membrane separation treatment, aerobic fermentation followed by a second membrane treatment.

Dans l'état actuel, on trouve des systèmes membranaires au sein de systèmes de traitement de liquides aqueux. Plus rarement, on trouve plusieurs systèmes membranaires en série ou en parallèle dans une filière de traitement de liquides.  As it stands, membrane systems are found within aqueous liquid processing systems. More rarely, there are several membrane systems in series or in parallel in a process for processing liquids.

La présente invention consiste en un pré-traitement par membrane suivi d'une fermentation. Les macro produits de la fermentation sont séparés du liquide par le même système membranaire qui réalise le pré-traitement.  The present invention consists of a membrane pre-treatment followed by fermentation. The macro products of fermentation are separated from the liquid by the same membrane system which performs the pre-treatment.

La présente invention a l'avantage de limiter l'installation à un seul système membranaire affecté alternativement à la clarification du liquide brut et à la séparation de la biomasse partiellement recyclée vers la cuve de fermentation.  The present invention has the advantage of limiting the installation to a single membrane system alternately assigned to the clarification of the raw liquid and to the separation of the partially recycled biomass towards the fermentation tank.

Le procédé trouve avantage dans le traitement des solutions aqueuses contenant une proportion sensible de matière en suspension non hydrosoluble comme de l'huile, accompagnée d'une fraction soluble fermentescible. Cette invention s'applique, par exemple, au traitement d'eaux résiduaires.  The method finds advantage in the treatment of aqueous solutions containing a significant proportion of non-water-soluble suspended matter such as oil, accompanied by a soluble fermentable fraction. This invention applies, for example, to the treatment of waste water.

Le système comporte des jeux de vannes permettant de choisir l'alimentation du système membranaire et de diriger les produits de la séparation vers des destinations distinctes. Le système membranaire est équipé des moyens éventuels d'adaptation physique et/ou chimique aux deux solutions à traiter comme des régulateurs de pression. The system includes sets of valves making it possible to choose the supply of the membrane system and to direct the products of the separation to distinct destinations. The membrane system is equipped with possible means of physical and / or chemical adaptation to the two solutions to be treated as pressure regulators.

Claims (1)

REVENDICATION 1/Système de traitement de solution aqueuse comportant principalement et dans l'ordre, une phase de pré-traitement sur membrane, une fermentation suivie d'un deuxième traitement sur membrane caractérisé par le fait que les deux traitements sur membrane sont alternativement réalisés sur le même système membranaire.CLAIM 1 / Aqueous solution treatment system comprising mainly and in order, a pre-treatment phase on the membrane, a fermentation followed by a second treatment on the membrane characterized in that the two treatments on the membrane are alternately carried out on the same membrane system.
FR0102463A 2001-02-23 2001-02-23 Aqueous solution treatment procedure uses fermentation between two membrane treatments with same membrane Withdrawn FR2821347A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0102463A FR2821347A1 (en) 2001-02-23 2001-02-23 Aqueous solution treatment procedure uses fermentation between two membrane treatments with same membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0102463A FR2821347A1 (en) 2001-02-23 2001-02-23 Aqueous solution treatment procedure uses fermentation between two membrane treatments with same membrane

Publications (1)

Publication Number Publication Date
FR2821347A1 true FR2821347A1 (en) 2002-08-30

Family

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Family Applications (1)

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FR0102463A Withdrawn FR2821347A1 (en) 2001-02-23 2001-02-23 Aqueous solution treatment procedure uses fermentation between two membrane treatments with same membrane

Country Status (1)

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FR (1) FR2821347A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61209097A (en) * 1985-03-12 1986-09-17 Kurita Water Ind Ltd Apparatus for treatment of sewage
JPH02268890A (en) * 1989-04-11 1990-11-02 Tokyu Constr Co Ltd Device for treating sewage by hollow-fiber membrane
US5616595A (en) * 1995-06-07 1997-04-01 Abbott Laboratories Process for recovering water insoluble compounds from a fermentation broth
US5746920A (en) * 1994-06-08 1998-05-05 Fraunhofer-Gesellschaft Zur Foerder Der Angewandten Forschung E.V. Process for purifying dairy wastewater
FR2789328A1 (en) * 1999-02-04 2000-08-11 Far Treatment of waste waters from fire fighting, or from vehicle washing, containing surfactants and hydrocarbons which are not treatable using existing methods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61209097A (en) * 1985-03-12 1986-09-17 Kurita Water Ind Ltd Apparatus for treatment of sewage
JPH02268890A (en) * 1989-04-11 1990-11-02 Tokyu Constr Co Ltd Device for treating sewage by hollow-fiber membrane
US5746920A (en) * 1994-06-08 1998-05-05 Fraunhofer-Gesellschaft Zur Foerder Der Angewandten Forschung E.V. Process for purifying dairy wastewater
US5616595A (en) * 1995-06-07 1997-04-01 Abbott Laboratories Process for recovering water insoluble compounds from a fermentation broth
FR2789328A1 (en) * 1999-02-04 2000-08-11 Far Treatment of waste waters from fire fighting, or from vehicle washing, containing surfactants and hydrocarbons which are not treatable using existing methods

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 043 (C - 402) 7 February 1987 (1987-02-07) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 031 (C - 0798) 24 January 1991 (1991-01-24) *

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