[go: up one dir, main page]

BR9713358A - Inibição e retardamento de formação de depósitos em processos de membrana - Google Patents

Inibição e retardamento de formação de depósitos em processos de membrana

Info

Publication number
BR9713358A
BR9713358A BR9713358-2A BR9713358A BR9713358A BR 9713358 A BR9713358 A BR 9713358A BR 9713358 A BR9713358 A BR 9713358A BR 9713358 A BR9713358 A BR 9713358A
Authority
BR
Brazil
Prior art keywords
retardation
inhibition
deposit formation
membrane processes
membrane
Prior art date
Application number
BR9713358-2A
Other languages
English (en)
Inventor
Wolfgang Zarges
Torsten Groth
Winfried Joentgen
Andreas Groeschl
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR9713358A publication Critical patent/BR9713358A/pt

Links

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
    • B01D61/04—Feed pretreatment
    • 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
    • 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
    • B01D61/027—Nanofiltration
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Laminated Bodies (AREA)
  • Paints Or Removers (AREA)

Abstract

Patente de Invenção: <B>"INIBIçãO E RETARDAMENTO DE FORMAçãO DE DEPóSITOS EM PROCESSOS DE MEMBRANA"<D>. A invenção refere-se ao uso de ácidos poliasparagínicos e suas misturas com tensoativos e emulsificantes em métodos de realização de processos de membrana para inibir ou retardar a formação de incrustação através de componentes orgânicos e inorgânicos pouco solúveis na alimentação da membrana.
BR9713358-2A 1996-11-15 1997-11-03 Inibição e retardamento de formação de depósitos em processos de membrana BR9713358A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19647293A DE19647293C1 (de) 1996-11-15 1996-11-15 Verhinderung und Verzögerung der Belagsbildung in Membranprozessen
PCT/EP1997/006065 WO1998022205A1 (de) 1996-11-15 1997-11-03 Verhinderung und verzögerung der belagsbildung in membranprozessen

Publications (1)

Publication Number Publication Date
BR9713358A true BR9713358A (pt) 2000-02-01

Family

ID=7811784

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9713358-2A BR9713358A (pt) 1996-11-15 1997-11-03 Inibição e retardamento de formação de depósitos em processos de membrana

Country Status (15)

Country Link
US (1) US6187195B1 (pt)
EP (1) EP0946269B1 (pt)
JP (1) JP2001510393A (pt)
KR (1) KR20000053257A (pt)
AT (1) ATE217802T1 (pt)
AU (1) AU730677B2 (pt)
BR (1) BR9713358A (pt)
CA (1) CA2271490A1 (pt)
DE (2) DE19647293C1 (pt)
DK (1) DK0946269T3 (pt)
ES (1) ES2175489T3 (pt)
IL (1) IL129735A0 (pt)
NO (1) NO992131D0 (pt)
RU (1) RU2199378C2 (pt)
WO (1) WO1998022205A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010040378A (ko) * 1998-01-28 2001-05-15 어웨어 케미칼즈 엘.엘.씨. 도장실로부터 배출되는 순환수의 처리 방법
AT407227B (de) 1998-06-26 2001-01-25 Aware Chemicals Llc Verfahren zum reinigen von lackführenden teilen einer lackieranlage, insbesondere von lackleitungen
CN1140324C (zh) 1998-07-21 2004-03-03 东丽株式会社 用于抑制在分离膜上的细菌增殖或杀菌的方法
DE19937300A1 (de) * 1999-08-06 2001-02-22 Henkel Ecolab Gmbh & Co Ohg Biofilmvermeidung
DE10054000A1 (de) * 2000-11-01 2002-05-08 Henkel Aware Technologies Gmbh Verfahren zum Aufbereiten von Umlaufwasser aus einer Lackieranlage und Mittel hierfür
US6503400B2 (en) * 2000-12-15 2003-01-07 Ashland Inc. Phosphate stabilizing compositions
US7858058B2 (en) * 2004-10-22 2010-12-28 Akzo Nobel N.V. Method for crystallizing soluble salts of divalent anions from brine
US8206592B2 (en) * 2005-12-15 2012-06-26 Siemens Industry, Inc. Treating acidic water
JP4899565B2 (ja) * 2006-03-23 2012-03-21 栗田工業株式会社 水処理装置及び水処理方法
DE502008000772D1 (de) 2007-12-20 2010-07-22 Lanxess Deutschland Gmbh Verkehrswegsbehandlung
US8980101B2 (en) * 2008-09-04 2015-03-17 Nalco Company Method for inhibiting scale formation and deposition in membrane systems via the use of an AA-AMPS copolymer
DE102009002144A1 (de) * 2009-04-02 2010-10-07 Henkel Ag & Co. Kgaa Umkehrosmoseverfahren zur Aufbereitung von Spülwaser enthaltend polyvalente Metall-Kationen
JP2012200696A (ja) * 2011-03-28 2012-10-22 Panasonic Corp 脱塩方法および脱塩装置
WO2014081737A1 (en) * 2012-11-20 2014-05-30 Lance Energy Services, L.L.C. Functionalized ceramic membranes for the separation of organics from raw water and methods of filtration using functionalized ceramic membranes
WO2014081734A1 (en) * 2012-11-20 2014-05-30 Lance Energy Services, L.L.C. Functionalized ceramic membranes for the separation of organics from raw water and methods of filtration using functionalized ceramic membranes
US20150251939A1 (en) * 2014-03-06 2015-09-10 Hercules Incorporated Composition and method of scale control in regulated evaporative systems
CN114053885B (zh) * 2020-07-30 2024-06-25 万华化学集团股份有限公司 一种耐高压聚酰胺膜及其制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534881A (en) 1983-12-19 1985-08-13 University Of South Alabama Inhibition of inorganic or biological CaCO3 deposition by poly amino acid derivatives
DE3626672A1 (de) 1986-08-07 1988-02-11 Bayer Ag Polyasparaginamidsaeure
US5152902A (en) * 1991-03-19 1992-10-06 Donlar Corporation Polyaspartic acid as a calcium carbonate and a calcium phosphate inhibitor
US5373086A (en) * 1991-03-19 1994-12-13 Donlar Corporation Polyaspartic acid having more than 50% β form and less that 50% α form
US5288783A (en) * 1992-05-14 1994-02-22 Srchem Incorporated Preparation of salt of polyaspartic acid by high temperature reaction
US5256303A (en) * 1992-07-20 1993-10-26 Nalco Chemical Company Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems
US5286810A (en) 1992-08-07 1994-02-15 Srchem Incorporated Salt of polymer from maleic acid, polyamind and ammonia
US5466760A (en) * 1992-08-07 1995-11-14 Srchem, Inc. Copolymers of polyaspartic acid
US5408028A (en) * 1992-12-22 1995-04-18 Bayer Ag Copolymers of polyaspartic acid and polycarboxylic acids and polyamines
DE4308426A1 (de) * 1993-03-17 1994-09-22 Basf Ag Polycokondensate auf Basis von Asparaginsäure, Verfahren zu ihrer Herstellung und ihre Verwendung
DE4408478A1 (de) * 1994-03-14 1995-09-21 Bayer Ag Mittel zur Wasserbehandlung
US5493004A (en) 1994-04-08 1996-02-20 Bayer Ag Process for the preparation of polysuccinimide
DE4424476A1 (de) * 1994-07-12 1996-01-18 Bayer Ag Mittel zur Wasserbehandlung
DE4429976A1 (de) * 1994-08-24 1996-02-29 Bayer Ag Sulfonsäuregruppen enthaltende Polyasparaginsäurederivate, ihre Verwendung und Herstellung
BR9503967A (pt) * 1994-09-12 1996-09-24 Rohm & Haas Processo de inibição da formação de incrustação
US5547612A (en) * 1995-02-17 1996-08-20 National Starch And Chemical Investment Holding Corporation Compositions of water soluble polymers containing allyloxybenzenesulfonic acid monomer and methallyl sulfonic acid monomer and methods for use in aqueous systems
US5876623A (en) * 1996-09-20 1999-03-02 Nalco Chemical Company Biodegradable aspartic acid polymers for preventing scale formation in boilers
US5888401A (en) * 1996-09-16 1999-03-30 Union Camp Corporation Method and apparatus for reducing membrane fouling

Also Published As

Publication number Publication date
DK0946269T3 (da) 2002-09-09
NO992131L (no) 1999-05-03
KR20000053257A (ko) 2000-08-25
WO1998022205A1 (de) 1998-05-28
ATE217802T1 (de) 2002-06-15
JP2001510393A (ja) 2001-07-31
US6187195B1 (en) 2001-02-13
EP0946269B1 (de) 2002-05-22
ES2175489T3 (es) 2002-11-16
RU2199378C2 (ru) 2003-02-27
DE19647293C1 (de) 1998-06-10
IL129735A0 (en) 2000-02-29
CA2271490A1 (en) 1998-05-28
EP0946269A1 (de) 1999-10-06
AU7299298A (en) 1998-06-10
NO992131D0 (no) 1999-05-03
AU730677B2 (en) 2001-03-08
DE59707340D1 (de) 2002-06-27

Similar Documents

Publication Publication Date Title
BR9713358A (pt) Inibição e retardamento de formação de depósitos em processos de membrana
DK0699104T3 (da) Fremgangsmåde til underkritisk tørring af aerogeler
BR9610838A (pt) Processo para tratar um indivìduo tendo uma condição patológica envolvendo neovascularização.
BRPI0115953B8 (pt) complexos de derivados de fosfato
DK1143967T3 (da) Anticonvulsive derivater egnede til behandling af Hortons hovedpine
DE69608804D1 (de) Di- und trivalente kleine moleküle als selektininhibitoren
PT907652E (pt) Compostos e processos imunossupressores
DE69814618D1 (de) Behandlung von infarkten durch inhibierung von nf-kappab
FI952583A0 (fi) Polualkyleenipolyamiinien kondensaatiotuotteita ja niiden käyttö paperinvalmistuksen yhteydessä
DE69922226D1 (de) Vorrichtung zur behandlung von ischämie
ATE174905T1 (de) Wasserlösliche organische salze von kreatin
DE50111057D1 (de) Hochverzweigte polymere zur antiknitterausrüstung von cellulosehaltigen textilien
BG105664A (en) Use of apomophines for the treatment of organic erectile dysfunction in males
CA2339835A1 (en) Use of estrogenic compounds as anti-fungal agents
AU4046497A (en) Substance p treatment for immunostimulation
CA2168447A1 (en) Compounds and methods for inhibition of hiv and related viruses
WO2001082952A3 (en) USE OF α-MSH AND EPO FOR PREVENTING OR TREATING ISCHEMIC CONDITIONS
TR200402670T4 (tr) Obezitenin tedavisi ve/veya profilaksına uygun bileşiklerin bulunması için yöntem
ATE272436T1 (de) Mikrofiltration unter verwendung von aktivkohle
SI1234151T1 (en) Method and device for treating organic matter
BR9811003A (pt) processo para a prevenção ou tratamento de prurido em um paciente mamìfero
DE69403815D1 (de) Abwasserbehandlung mit hydrotalcit
MX9602836A (es) MEZCLA QUE CONTIENE UNO O VARIOS ALFA-AMINOACIDOS Y SUS DERIVADOS, O AMBOS, Y UNO O VARIOS CICLOPENTANO- beta-AMINOACIDOS Y SUS DERIVADOS, O AMBOS.
YU18399A (sh) Postupak alkilacije zaštićenih sulfonamida
PT633928E (pt) Microrganismos processo de preparacao e utilizacao

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]