BRPI0407331A - Process for methacrylic acid recovery from aqueous dilute solutions by reverse osmosis - Google Patents

Process for methacrylic acid recovery from aqueous dilute solutions by reverse osmosis

Info

Publication number
BRPI0407331A
BRPI0407331A BR0407331-2A BRPI0407331A BRPI0407331A BR PI0407331 A BRPI0407331 A BR PI0407331A BR PI0407331 A BRPI0407331 A BR PI0407331A BR PI0407331 A BRPI0407331 A BR PI0407331A
Authority
BR
Brazil
Prior art keywords
methacrylic acid
dilute solutions
reverse osmosis
acid recovery
aqueous dilute
Prior art date
Application number
BR0407331-2A
Other languages
Portuguese (pt)
Inventor
Massimo Luperi
Vincenzo Redaelli
Marco Rigamonti
Maurizio Panetta
Dario Giudici
Original Assignee
Arkema
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 Arkema filed Critical Arkema
Publication of BRPI0407331A publication Critical patent/BRPI0407331A/en
Publication of BRPI0407331B1 publication Critical patent/BRPI0407331B1/en

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
    • B01D61/025—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
    • B01D61/04—Feed pretreatment
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/34—Organic compounds containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

"PROCESSO PARA A RECUPERAçãO DE áCIDO METACRìLICO DE SUAS SOLUçõES DILUìDAS AQUOSAS POR MEIO DE OSMOSE INVERTIDA". Processo para a recuperação de ácido metacrílico (MMA) de soluções aquosas compreendendo de 500 a 5.000 ppm de ácido metacrílico através de: (A) adição opcional, à referida água, de uma solução ácida ou básica, até obtenção de um pH na faixa de 5-11; (B) alimentação da mistura aquosa obtida em (A) a uma membrana ou a um sistema de membrana através de osmose, obtendo-se um permeado contendo de 3 a 200 ppm de ácido metacrílico e um concentrado contendo de 1.000 a 35.000 ppm de ácido metacrílico."Process for the recovery of methacrylic acid from its aqueous dilute solutions by inverted osmosis". A process for the recovery of methacrylic acid (MMA) from aqueous solutions comprising from 500 to 5,000 ppm methacrylic acid by: (A) optional addition to said water of an acidic or basic solution to a pH in the range 5-11; (B) feeding the aqueous mixture obtained in (A) to an osmosis membrane or membrane system to obtain a permeate containing from 3 to 200 ppm methacrylic acid and a concentrate containing from 1,000 to 35,000 ppm acid. methacrylic.

BRPI0407331-2A 2003-02-25 2004-02-20 process for the recovery of methacrylic acid from its aqueous diluted solutions by reverse osmosis. BRPI0407331B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20030329 ITMI20030329A1 (en) 2003-02-25 2003-02-25 METHACRYLIC ACID RECOVERY PROCESS FROM ITS DILUTED AQUEOUS SOLUTIONS BY REVERSE OSMOSIS.
PCT/EP2004/001683 WO2004076362A1 (en) 2003-02-25 2004-02-20 A process for the recovery of methacrylic acid from its aqueous diluted solutions by reverse osmosis

Publications (2)

Publication Number Publication Date
BRPI0407331A true BRPI0407331A (en) 2006-01-10
BRPI0407331B1 BRPI0407331B1 (en) 2013-03-19

Family

ID=32923034

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0407331-2A BRPI0407331B1 (en) 2003-02-25 2004-02-20 process for the recovery of methacrylic acid from its aqueous diluted solutions by reverse osmosis.

Country Status (5)

Country Link
EP (1) EP1618070A1 (en)
CN (1) CN100540476C (en)
BR (1) BRPI0407331B1 (en)
IT (1) ITMI20030329A1 (en)
WO (1) WO2004076362A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114656638B (en) * 2022-03-03 2024-06-25 万华化学集团股份有限公司 A continuous synthesis method and device for polysulfone

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022222A1 (en) * 1990-07-12 1992-01-16 Erdoelchemie Gmbh METHOD FOR PURIFYING ACRYLNITRILE WASTE WATER
JPH0724458A (en) * 1991-03-27 1995-01-27 Loctite Corp Method of treating waste water from process of cleaning by impregnation
JPH05131190A (en) * 1991-11-11 1993-05-28 Nitto Denko Corp Treatment of spent liquid containing acrylate-based substance
DE4410193A1 (en) * 1994-03-24 1995-09-28 Degussa Sealing of porous articles with curable impregnating fluid
ID23401A (en) * 1997-03-14 2000-04-20 Du Pont PROCESSING OF FLOW FLOWS CONTAINING ORGANIC ACIDS
DE10113278A1 (en) * 2001-03-16 2002-09-19 Zahnradfabrik Friedrichshafen Pressure die-casting wash water purification involves reverse osmosis and membrane filtration to separate acrylates and methacrylates before ecologically acceptable directing to public drainage system

Also Published As

Publication number Publication date
CN100540476C (en) 2009-09-16
EP1618070A1 (en) 2006-01-25
CN1750996A (en) 2006-03-22
BRPI0407331B1 (en) 2013-03-19
WO2004076362A1 (en) 2004-09-10
ITMI20030329A1 (en) 2004-08-26

Similar Documents

Publication Publication Date Title
Van der Bruggen et al. Drawbacks of applying nanofiltration and how to avoid them: a review
EA200700200A1 (en) FOOD METHOD
EA200970300A1 (en) METHOD AND DEVICE FOR DESERTATION
DE60127666D1 (en) ACID-RESISTANT MEMBRANES FOR NANOFILTRATION
BR0007181A (en) Ultrafiltration and microfiltration module and system
SE0500369L (en) Portable dialysis system
WO2005053824A3 (en) Method and system for increasing recovery and preventing precipitation fouling in pressure-driven membrane processes
BRPI0417121A (en) seawater desalination system to obtain desalinated water and a concentrate, seawater desalination method on board a seagoing vessel positioned on the surface of a seawater body and method of mixing seawater with a concentrate produced by a desalination system based on a vessel positioned on the surface of a body of seawater
ATE527215T1 (en) METHOD FOR RECOVERING THE COMPONENTS OF THE WASTEWATER OF AN OLIVE MILL THROUGH MEMBRANE TECHNOLOGY
ATE509124T1 (en) METHOD FOR ELUTING 18F FLUORIDE CAUGHT ON AN ANION EXCHANGE PHASE IN A FORM SUITABLE FOR EFFICIENT RADIOM MARKING WITHOUT EVAPORATION STEP
FR2844209B1 (en) PROCESS FOR THE NANOFILTRATION PURIFICATION OF A SUGAR-AQUEOUS SOLUTION CONTAINING MONOVALENT AND VERSATILE ANIONS AND CATIONS
DK1858806T3 (en) Process for the preparation of salt
BR0111103A (en) Process for the preparation of solutions of anionic organic compounds
YU55891A (en) PROCEDURE FOR SEPARATION OF WATER FROM DILUTED AQUEOUS SOLUTION OF N-METHYLFORMOLIN-N-OXIDE, N-METHYLFORMOLIN, MORPHOLINE OR MIXTURES THEREOF
BR112015009055A2 (en) Method to Purify 1,4-Diaminobutane, 1,4-Diaminobutane, and Polyamide
EP1345673B1 (en) Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof
BRPI0407331A (en) Process for methacrylic acid recovery from aqueous dilute solutions by reverse osmosis
WO2007132465A3 (en) An improved membrane water desalination process
BRPI0407459A (en) Method for recovering acid from a feed mixture, and polymeric membrane
BR0305587A (en) Procedure for Purifying Glycosate Solutions by Nanofiltration
PT1165489E (en) PROCESS FOR THE PREPARATION OF GABAPENTINA
RU2004113371A (en) METHOD FOR PREVENTING SCALES EDUCATION ON MEMBRANES IN A ONE-STEP MEMBRANE SEPARATION PROCESS
PT1102745E (en) PROCESS FOR THE PREPARATION OF CALCIUM SALT OF ZOFENOPRIL
BR0007528A (en) Methods for clarifying sugar solutions
BR0210569A (en) Process for obtaining n-phosphonomethylglycine from an aqueous mixture

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/02/2004, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved
B25G Requested change of headquarter approved
B25A Requested transfer of rights approved
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 19A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2710 DE 13-12-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.