WO2009021552A1 - Procédé/installation améliorés de séparation/épuration pour dispersions aqueuses liquides de matières organiques, et utilisation de tels procédés/installations dans le cadre d'un traitement intégré du fumier et/ou des digestats organiques - Google Patents

Procédé/installation améliorés de séparation/épuration pour dispersions aqueuses liquides de matières organiques, et utilisation de tels procédés/installations dans le cadre d'un traitement intégré du fumier et/ou des digestats organiques Download PDF

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Publication number
WO2009021552A1
WO2009021552A1 PCT/EP2007/058356 EP2007058356W WO2009021552A1 WO 2009021552 A1 WO2009021552 A1 WO 2009021552A1 EP 2007058356 W EP2007058356 W EP 2007058356W WO 2009021552 A1 WO2009021552 A1 WO 2009021552A1
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WO
WIPO (PCT)
Prior art keywords
membrane filtration
mild
sieve
rotating drum
dewatehng
Prior art date
Application number
PCT/EP2007/058356
Other languages
English (en)
Inventor
Erik Meers
Patrick Christiaens
Freek Van Belle
Original Assignee
Eco Flanders
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 Eco Flanders filed Critical Eco Flanders
Priority to PCT/EP2007/058356 priority Critical patent/WO2009021552A1/fr
Publication of WO2009021552A1 publication Critical patent/WO2009021552A1/fr

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Classifications

    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/02—Separating microorganisms from the culture medium; Concentration of biomass
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/14—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/04—Reciprocation, oscillation or vibration
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Definitions

  • the invention relates to the separation of aqueous liquid dispersions of organic material, hereinafter referred to as "organic dispersion", such as manure and/or so called 'digestates' / digestion products resulting from the bio-fermentation of organic waste materials, into a solid fraction on the one hand and an aqueous fraction on the other hand, and to globally cost and energy effective methods for disposal of such organic dispersions.
  • organic dispersion such as manure and/or so called 'digestates' / digestion products resulting from the bio-fermentation of organic waste materials
  • the invention aims in particular at providing a cost-effective treatment method / installation for manure, combining proper treatment technology with drying and water treatment filtration.
  • bio-methanization / bio-fermentation The most important feature of bio-methanization / bio-fermentation is that by means of co- fermentation of manure and/or organic waste streams, and of energy plants so called "green electricity" is produced, whereas, simultaneously, an important amount of thermal energy becomes available that can be used for the end-treatment of the bio-fermentation digestate involving drying and pasteurisation.
  • the invention results from a research program for an improved, more efficient combination of dewatehng (separation and membrane filtration) and evaporation.
  • dewatehng separation and membrane filtration
  • evaporation evaporation
  • the separation method / installation according to the invention aims at delivering a solid fraction with a high dry matter quality and a pasteurised liquid fraction with a very low dry matter quality using the filtration unit. In this way also the drying method / installation improves.
  • the key of the invention is the specific selection / synergetic combination of different elements for the separation method according to the invention (in particular to be implemented in what is called the "end treatment” or “after treatment” of a bio-fermentation process), to be integrated in a single system, involving separator, dryer and water filtration, all fuelled by the same biogas engine.
  • the invention there for provides a method for separating an aqueous liquid dispersion of organic material into a concentrated solid fraction and a solid poor liquid fraction, comprising an optional coagulation and flocculation operation, a preliminary mechanical separation operation and subsequent membrane filtration, in which method the preliminary mechanical separation more specifically comprises at least one mild dewatehng operation and the subsequent membrane filtration specifically consists of vibrating membrane filtration.
  • the expression "mild dewatering” as used in the present context refers to a mechanical separation operation in essence only involving (mere) gravitational draining, without substantial external pressure, in particular such essentially mere gravitational drainage involving the use of filter cloth.
  • the expression “mild dewatering” thus specifically distinguishes from operations such as centrifugation and screw press operations, as well as from operations such as decantation, which does not involve actual physical separation of the liquid (“dewatering”).
  • coagulation and flocculation should be understood in a rather broad sense, involving chemical coagulation (for instance by means of Fe 3+ ions) and flocculation by means of flocculent polymers).
  • the coagulation-flocculation process induces aggregation of suspended solids into larger "floes", which facilitates their removal from the aqueous phase. Separation after coagulation-flocculation therefore results in liquid fraction poor in suspended solids.
  • the key of the invention resides in the specific selection / synergetic combination of a preliminary mechanical separation based on a mild dewatering operation and of a subsequent filtration based on vibrating membrane filtration.
  • the membrane filtration more particularly consists of vibrating reversed osmosis membrane filtration.
  • a coagulation and flocculation operation is preferably applied to the aqueous liquid dispersion of organic material before the mild dewatehng operation is applied.
  • the mild dewatering operation is selected from a straining-belt / belt-sieve operation, a thickening table operation, a rotating drum filter / rotating drum sieve operation, a sieve bend / barred grate / perforated bend / barred sieve operation, or a successively belt-sieve and rotating drum filter operation.
  • the mild dewatering operation is a separation operation by means of a rotating drum filter, dividing the incoming sludge in a liquid fraction relatively poor in suspended solids (preferably ⁇ 2% dry matter) and a solid fraction enriched with the incoming sludge's solids.
  • rotating drum filter refers to a liquid filter of the type comprising a cloth filter media in the form of a drum. Sludge flows into the interior of the drum thence radially outwardly through the cloth filter media as the filter rotates around it's cylindrical axis. The filter cloth is periodically backwashed by pressurized water in the reverse direction of filtration. Dewatered sludge leaves the drum at the opposing end of the cylinder.
  • the aqueous liquid dispersion of organic material may be, specifically, manure, a fermentation digestate thereof, a fermentation digestate of any kind of organic dispersion, or a mixture of several of those.
  • the invention also specifically provides an installation for separating an aqueous liquid dispersion of organic material into a concentrated solid fraction and a solid poor liquid fraction, comprising a mechanical primary separator and a subsequent membrane filtration unit, in which installation the preliminary mechanical separator specifically comprises at least one mild dewatehng separator and the subsequent membrane filtration unit specifically consists of a vibrating membrane filtration unit.
  • the membrane filtration unit suitably consists of a vibrating reversed osmosis membrane filtration unit.
  • the mild dewatehng separator is very appropriately selected from a straining-belt / belt-sieve, a thickening table, a rotating drum filter, a sieve bend filter or a combination of at least two of these in succession.
  • the mild dewatehng separator specifically consists of a rotating drum filter.
  • the invention furthermore also provides a method for an integrated energy efficient treatment of manure and/or at least one organic waste stream, comprising a bio-fermentation thereof with recovery of generated biogas, electricity production from said biogas with a generation engine also producing heat, separating the slurry obtained from the bio-fermentation into a moist concentrated solid fraction and a solid poor liquid fraction, using a preliminary mechanical separation operation and a subsequent membrane filtration, and drying said moist solid fraction using said heat, in which organic waste treatment method the preliminary mechanical separation specifically comprises at least one mild dewatehng operation and the subsequent membrane filtration specifically consists of vibrating membrane filtration.
  • the membrane filtration suitably consists of vibrating reversed osmosis membrane filtration.
  • a coagulation and flocculation operation is preferably applied to the slurry obtained from the bio-fermentation before the mild dewatering operation is applied.
  • the mild dewatering operation is suitably selected from a straining-belt / belt-sieve operation, a thickening table operation, a rotating drum filter / rotating drum sieve operation, a sieve bend / barred grate / perforated bend / barred sieve operation, or a combination of at least two of these in succession.
  • the mild dewatering operation is specifically a filtration operation by means of a rotating drum filter.
  • the invention finally also specifically provides an installation for an integrated energy efficient treatment of manure and/or at least one organic waste stream, comprising a bio-fermenting unit with recovery of generated biogas, an electricity generation engine operated at least partially with said recovered biogas, a primary mechanical separator and a subsequent membrane filtration unit for separating a solid fraction from the slurry resulting from the bio-fermenting unit, and a dryer for said solid fraction operated at least partially with heat generated by said generation engine, in which integrated treatment installation the preliminary mechanical separator specifically comprises at least one mild dewatering separator and the subsequent membrane filtration unit consists of vibrating membrane filtration unit.
  • the membrane filtration unit specifically consists of a vibrating reversed osmosis membrane filtration unit.
  • the mild dewatering separator is selected from a straining-belt / belt-sieve, a thickening table, a rotating drum filter, a sieve bend filter or a combination of at least two of these in succession.
  • the mild dewatering separator suitably comprises or consists of a rotating drum filter.
  • the methods / installations according to the invention are capable to provide a solid fraction (thick fraction), after mechanical dewatehng, with more than 25% dry matter, preferably more than 30% dry matter, most preferably more than 32,5% dry matter, and/or a solid fraction after mechanical dewatehng involving at least 60% dewatering, preferably at least 75 % dewatering, most preferably at least 80 % dewatering.
  • the methods / installations according to the invention are capable to provide a combined solid fraction to be dried (combining a solid fraction after mechanical dewatering and a concentrate from a membrane filtration) having less than 20 % dry matter, preferably less than 22% dry matter.
  • the organic dispersion such as a bio-digestate coming out of the digester, enters the end treatment system.
  • the process / installation according to this embodiment of the invention most suitably involves, first, an online (static mixer) addition of lime, iron or aluminium salts to coagulate the dispersion and the coagulated mixture is directly sent to a mixed tank.
  • This mixture is pumped over another static mixer, where flocculent polymer is online injected.
  • the obtained sludge (with the suspended floes) enters a reaction tank (with a slow mixer inside the reaction tank).
  • This tank is filled up with the flocculated sludge and at a certain moment the liquid runs in a "thickening drum” (rotating drum filter).
  • Thickening drum rotating drum filter
  • Possible alternatives thereto are for instance a belt-sieve device or a thickening table.
  • a rotating drum filter has however shown most appropriate in most circumstances.
  • a typical rotating drum filter very suitably involves an inner Archimedes screw conveying (mildly) the draining filter slurry through the rotating drum (without applying substantial "squeezing" pressure on the slurry.
  • the liquid fraction of the bio-digestate after the thickening drum is collected in a tank.
  • the thick fraction coming out of the drum is squeezed in a screw press.
  • the pressed thick fraction is collected.
  • the liquid fraction of the screw press goes in the same tank as the liquid fraction resulting from the thickening drum.
  • the liquid fractions are blended and the pH is regulated. After pH regulation the liquid fraction is pumped to a buffer tank.
  • a batch tank (with level control) is filled with feed of the buffer tank.
  • This feed passes a pre-filter unit to remove large particles and is pumped by 2 high pressure transfer pumps to a vibrating membrane filtration using a reversed osmosis membrane. Most suitably a membrane for maximum rejection of multivalent and monovalent ions is used.
  • the liquid fraction treated in the vibrating membrane filtration is separated into two streams : a concentrated bio-digestate slurry ("concentrate”), and a clear filtrate (permeate).
  • concentration concentrated bio-digestate slurry
  • permeate clear filtrate
  • the concentration operation is interrupted and the system is flushed with hot permeate water (permeate that has been heated 50-60 0 C) from a so called CIP ("Cleaning in Place") tank.
  • CIP Cleaning in Place
  • the vibrating membrane filter system is briefly (for a few seconds) flushed whereas the flushing slurry is removed from the filter pack and returned to the buffer tank.
  • the concentrate is pumped from the batch tank to the concentrate tank and the batch tank is again filled up with feed from the buffer tank. When the batch tank is full, the concentration operation starts again.
  • Digestate conditioning 1a The process involves first the online (static mixture) addition of lime, iron or aluminium salts to coagulate the digestate.
  • flocculent polymers are online injected to flocculate the coagulated mixture.
  • the flocculated sludge enters a reaction tank with a slow-working paddle inside. This tank is filled up with the flocculated sludge until the content is transferred to the separation unit.
  • the flocculated digestate enters a rotating drum filter / drum sieve, (acting as "mild dewatehng” separator).
  • This filter contains rinsing sprinklers to avoid clogging of the filter material.
  • alternative "mild dewatering” separators belt filter / straining belt separators, thickening table separators, sieve bend / barred grate / perforated bend / barred sieve separators).
  • the secondary dewatering instrument is a fan press (screw press).
  • the thick fraction is collected coming out of this press is collected as the final solid fraction of the separation phase.
  • This feed passes over a pre-filter unit to remove large particles.
  • the pre-filtered feed is subsequently pumped by 2 high pressure transfer pumps to a vibrating membrane filtration (such as in particular vibrating membrane filtration units involving the so called "VSEP"- technology).
  • a reversed osmosis membrane is used for maximum rejection of multivalent and monovalent ions.
  • the liquid fraction, sent to the vibrating membrane filtration is split into two streams: a concentrated biodigestate slurry (concentrate) and a transparent filtrate (permeate) : the concentrate is pumped to the concentrate tank, the permeate is transferred to a polishing system.
  • the permeate enters a reaction vessel where pH is controlled and regulated to slightly acidic conditions (pH 5-7).
  • the permeate is directed over an ion-exchange resin containing substrate designed to remove NH4-nitrogen from the permeate. By doing so, total nitrogen content in the permeate is reduced to below 15 mg/l.
  • the exchange resin is periodically regenerated using NaOH, NaCI and water.
  • the resulting regeneration water, containing high concentrations of NH4/NH3 is processed further by re-acidification and recycling to the vibrating reversed osmosis filtration instrument for an additional filtration step (for instance by being returned to the storage tank where also the liquid fractions from the mechanical dewatehng operations arrive, thus allowing proper pH regulation).
  • Figure 1 is an overall schematic flow diagram illustrating the mass balance of the treated materials.
  • Figure 2 discloses calculated values for the composition / quality of the filtrate after mechanical conditioning (dewatehng) and of the permeate after membrane filtration (VSEP) for typical starting materials (fermented and unfermented manure) While in the foregoing, embodiments of the present invention have been set forth in considerable detail for the purposes of making a complete disclosure of the invention, it may be apparent to those of skill in the art that numerous changes may be made in such details without departing from the spirit and principles of the invention.

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  • Life Sciences & Earth Sciences (AREA)
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  • Bioinformatics & Cheminformatics (AREA)
  • Water Supply & Treatment (AREA)
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  • Wood Science & Technology (AREA)
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  • General Engineering & Computer Science (AREA)
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  • Environmental & Geological Engineering (AREA)
  • Molecular Biology (AREA)
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Abstract

L'invention porte sur un procédé permettant la séparation d'une dispersion aqueuse liquide de matières organiques pour obtenir une fraction solide concentrée et une fraction liquide pauvre en solides, au moyen d'une opération de séparation mécanique préliminaire suivie d'une filtration membranaire, la séparation mécanique préliminaire comprenant au moins une opération de déshydratation douce, et la filtration membranaire suivante étant une filtration par membrane vibrante. L'invention porte également sur une installation de séparation convenant pour un tel procédé, sur un procédé global de traitement des déchets organiques à l'aide d'un tel procédé et sur une installation de traitement intégrée destinée au procédé de traitement global des déchets organiques.
PCT/EP2007/058356 2007-08-13 2007-08-13 Procédé/installation améliorés de séparation/épuration pour dispersions aqueuses liquides de matières organiques, et utilisation de tels procédés/installations dans le cadre d'un traitement intégré du fumier et/ou des digestats organiques WO2009021552A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/058356 WO2009021552A1 (fr) 2007-08-13 2007-08-13 Procédé/installation améliorés de séparation/épuration pour dispersions aqueuses liquides de matières organiques, et utilisation de tels procédés/installations dans le cadre d'un traitement intégré du fumier et/ou des digestats organiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/058356 WO2009021552A1 (fr) 2007-08-13 2007-08-13 Procédé/installation améliorés de séparation/épuration pour dispersions aqueuses liquides de matières organiques, et utilisation de tels procédés/installations dans le cadre d'un traitement intégré du fumier et/ou des digestats organiques

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WO2009021552A1 true WO2009021552A1 (fr) 2009-02-19

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018011A3 (nl) * 2009-02-12 2010-03-02 Eneco En Internat B V Verbeterde scheiding/zuivering methode/installatie voor waterige vloeibare suspensies van organisch materiaal en het gebruik van een dergelijke methode/intallatie in een geintegreerde behandeling van mest en/of organische digestaten.
EP2592051A1 (fr) * 2011-11-10 2013-05-15 VCS Environment Procédé et dispositif de traitement et de purification d'eaux usées
CN108441406A (zh) * 2018-03-29 2018-08-24 中国人民解放军第四军医大学 分选富集循环肿瘤细胞及细胞团微栓子的装置和方法
CN112573737A (zh) * 2020-12-07 2021-03-30 东北农业大学 一种利用振动膜处理大豆黄浆废水的方法
CN113321331A (zh) * 2021-05-31 2021-08-31 广东水清环保科技有限公司 一种水泡粪产生的猪场废水预处理方法及系统

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Publication number Priority date Publication date Assignee Title
EP0426219A1 (fr) * 1989-10-11 1991-05-08 Bs-Watersystems B.V. Procédé de transformation de lisier en composants d'engrais
GB2292532A (en) * 1994-08-25 1996-02-28 Pall Corp Fluid treatment process
US6245121B1 (en) * 1996-01-29 2001-06-12 Rhodia Chimie Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof
WO2001087467A1 (fr) * 2000-05-19 2001-11-22 Purin-Pur Inc. Procede et systeme de traitement de fumier de porc
WO2004011377A2 (fr) * 2002-07-26 2004-02-05 The Regents Of The University Of California Traitement d'eaux usees au moyen de technologies de separation biologique membranaire
US20060108289A1 (en) * 2004-10-20 2006-05-25 Baker Hughes Incorporated Methods for removing metals from water
WO2006137808A1 (fr) * 2005-06-24 2006-12-28 Nanyang Technological University Traitement d'un flux entrant contamine au moyen d'un bioreacteur de distillation a membrane

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0426219A1 (fr) * 1989-10-11 1991-05-08 Bs-Watersystems B.V. Procédé de transformation de lisier en composants d'engrais
GB2292532A (en) * 1994-08-25 1996-02-28 Pall Corp Fluid treatment process
US6245121B1 (en) * 1996-01-29 2001-06-12 Rhodia Chimie Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof
WO2001087467A1 (fr) * 2000-05-19 2001-11-22 Purin-Pur Inc. Procede et systeme de traitement de fumier de porc
WO2004011377A2 (fr) * 2002-07-26 2004-02-05 The Regents Of The University Of California Traitement d'eaux usees au moyen de technologies de separation biologique membranaire
US20060108289A1 (en) * 2004-10-20 2006-05-25 Baker Hughes Incorporated Methods for removing metals from water
WO2006137808A1 (fr) * 2005-06-24 2006-12-28 Nanyang Technological University Traitement d'un flux entrant contamine au moyen d'un bioreacteur de distillation a membrane

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018011A3 (nl) * 2009-02-12 2010-03-02 Eneco En Internat B V Verbeterde scheiding/zuivering methode/installatie voor waterige vloeibare suspensies van organisch materiaal en het gebruik van een dergelijke methode/intallatie in een geintegreerde behandeling van mest en/of organische digestaten.
EP2592051A1 (fr) * 2011-11-10 2013-05-15 VCS Environment Procédé et dispositif de traitement et de purification d'eaux usées
WO2013068545A1 (fr) * 2011-11-10 2013-05-16 Vcs Environment Procédé et dispositif de traitement et de purification d'eaux usées
CN108441406A (zh) * 2018-03-29 2018-08-24 中国人民解放军第四军医大学 分选富集循环肿瘤细胞及细胞团微栓子的装置和方法
CN108441406B (zh) * 2018-03-29 2021-09-21 中国人民解放军第四军医大学 分选富集循环肿瘤细胞及细胞团微栓子的装置和方法
CN112573737A (zh) * 2020-12-07 2021-03-30 东北农业大学 一种利用振动膜处理大豆黄浆废水的方法
CN113321331A (zh) * 2021-05-31 2021-08-31 广东水清环保科技有限公司 一种水泡粪产生的猪场废水预处理方法及系统

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