BRPI0407331B1 - processo para a recuperaÇço de Ácido metacrÍlico de suas soluÇÕes diluÍdas aquosas por meio de osmose reversa. - Google Patents

processo para a recuperaÇço de Ácido metacrÍlico de suas soluÇÕes diluÍdas aquosas por meio de osmose reversa.

Info

Publication number
BRPI0407331B1
BRPI0407331B1 BRPI0407331-2A BRPI0407331A BRPI0407331B1 BR PI0407331 B1 BRPI0407331 B1 BR PI0407331B1 BR PI0407331 A BRPI0407331 A BR PI0407331A BR PI0407331 B1 BRPI0407331 B1 BR PI0407331B1
Authority
BR
Brazil
Prior art keywords
recovery
methacrylic acid
reverse osmosis
diluted solutions
aqueous diluted
Prior art date
Application number
BRPI0407331-2A
Other languages
English (en)
Inventor
Massimo Luperi
Vincenzo Redaelli
Marco Rigamonti
Maurizio Panetta
Dario Giudici
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 filed Critical
Publication of BRPI0407331A publication Critical patent/BRPI0407331A/pt
Publication of BRPI0407331B1 publication Critical patent/BRPI0407331B1/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
    • B01D61/025—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)
BRPI0407331-2A 2003-02-25 2004-02-20 processo para a recuperaÇço de Ácido metacrÍlico de suas soluÇÕes diluÍdas aquosas por meio de osmose reversa. BRPI0407331B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20030329 ITMI20030329A1 (it) 2003-02-25 2003-02-25 Processo per il recupero di acido metacrilico da sue soluzioni acquose diluite mediante osmosi inversa.
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 BRPI0407331A (pt) 2006-01-10
BRPI0407331B1 true BRPI0407331B1 (pt) 2013-03-19

Family

ID=32923034

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0407331-2A BRPI0407331B1 (pt) 2003-02-25 2004-02-20 processo para a recuperaÇço de Ácido metacrÍlico de suas soluÇÕes diluÍdas aquosas por meio de osmose reversa.

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114656638B (zh) * 2022-03-03 2024-06-25 万华化学集团股份有限公司 一种聚砜的连续化合成方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022222A1 (de) * 1990-07-12 1992-01-16 Erdoelchemie Gmbh Verfahren zur reinigung von acrylnitril-abwasser
JPH0724458A (ja) * 1991-03-27 1995-01-27 Loctite Corp 含浸処理用洗浄廃水処理方法
JPH05131190A (ja) * 1991-11-11 1993-05-28 Nitto Denko Corp アクリレート系物質含有廃液の処理方法
DE4410193A1 (de) * 1994-03-24 1995-09-28 Degussa Verfahren zur Abdichtung von porösen Gegenständen
ID23401A (id) * 1997-03-14 2000-04-20 Du Pont Pengolahan arus-arus luapan yang mengandung asam-asam organik
DE10113278A1 (de) * 2001-03-16 2002-09-19 Zahnradfabrik Friedrichshafen Verfahren zur Aufbereitung von Waschwässern aus der Druckgussimprägnierung und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
CN100540476C (zh) 2009-09-16
EP1618070A1 (en) 2006-01-25
BRPI0407331A (pt) 2006-01-10
CN1750996A (zh) 2006-03-22
WO2004076362A1 (en) 2004-09-10
ITMI20030329A1 (it) 2004-08-26

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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.