BR9203791A - Processo para recuperacao de solvente polar aprotico - Google Patents

Processo para recuperacao de solvente polar aprotico

Info

Publication number
BR9203791A
BR9203791A BR929203791A BR9203791A BR9203791A BR 9203791 A BR9203791 A BR 9203791A BR 929203791 A BR929203791 A BR 929203791A BR 9203791 A BR9203791 A BR 9203791A BR 9203791 A BR9203791 A BR 9203791A
Authority
BR
Brazil
Prior art keywords
polar solvent
recovery process
aprotic polar
solvent recovery
aprotic
Prior art date
Application number
BR929203791A
Other languages
English (en)
Inventor
Henri Gongora
Jose-Luis Orozco
Original Assignee
Elf Aquitaine
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 Elf Aquitaine filed Critical Elf Aquitaine
Publication of BR9203791A publication Critical patent/BR9203791A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/422Electrodialysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44Ion-selective electrodialysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/70Organic acids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/18Details relating to membrane separation process operations and control pH control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/24Quality control
    • B01D2311/246Concentration control
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrrole Compounds (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
BR929203791A 1991-10-02 1992-09-29 Processo para recuperacao de solvente polar aprotico BR9203791A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9112135A FR2682045B1 (fr) 1991-10-02 1991-10-02 Recuperation des solvants polaires aprotiques a partir de leurs solutions aqueuses salines.

Publications (1)

Publication Number Publication Date
BR9203791A true BR9203791A (pt) 1993-04-27

Family

ID=9417518

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929203791A BR9203791A (pt) 1991-10-02 1992-09-29 Processo para recuperacao de solvente polar aprotico

Country Status (17)

Country Link
US (1) US5458751A (pt)
EP (1) EP0536021B1 (pt)
JP (1) JPH0829226B2 (pt)
KR (1) KR960000014B1 (pt)
CN (1) CN1032241C (pt)
AR (1) AR246443A1 (pt)
AT (1) ATE124633T1 (pt)
AU (1) AU666870B2 (pt)
BR (1) BR9203791A (pt)
CA (1) CA2079617C (pt)
DE (1) DE69203316T2 (pt)
DK (1) DK0536021T3 (pt)
ES (1) ES2075653T3 (pt)
FR (1) FR2682045B1 (pt)
GR (1) GR3017602T3 (pt)
MX (1) MX9205633A (pt)
TW (1) TW229195B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2769625B1 (fr) * 1997-10-15 1999-11-12 Atochem Elf Sa Dessalement de solutions aqueuses de sulfonamides
CA2779656C (en) * 2009-11-04 2018-01-02 Council Of Scientific & Industrial Research Electrodialysis-distillation hybrid process for the recovery of dimethylsulfoxide (dmso) solvent from industrial effluent
CN104787861B (zh) * 2015-04-23 2016-11-23 中国科学技术大学 一种同时提取与回收金属元素以及功能有机化合物的电萃取工艺
EP3611162A4 (en) * 2017-04-12 2020-12-23 Toray Fine Chemicals Co., Ltd. METHOD OF DIMETHYL SULFOXIDE DISTILLATION AND MULTI-STAGE DISTILLATION COLUMN
WO2021080370A2 (ko) * 2019-10-23 2021-04-29 고려대학교 산학협력단 용매 추출법을 통한 담수화 장치 및 그를 이용한 담수화 방법
WO2023122240A2 (en) 2021-12-22 2023-06-29 The Research Foundation For The State University Of New York System and method for electrochemical ocean alkalinity enhancement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS169049B1 (pt) * 1973-07-24 1976-06-29
JPS5323878A (en) * 1976-08-18 1978-03-04 Nippon Steel Corp Purifying method for electrodialysis membrane
DE3446695A1 (de) * 1984-12-21 1986-06-26 Basf Ag, 6700 Ludwigshafen Verfahren zur aufkonzentrierung waessriger loesungen von organischen verbindungen, die salze enthalten, unter gleichzeitiger verringerung des salzgehaltes
US4802968A (en) * 1988-01-29 1989-02-07 International Business Machines Corporation RF plasma processing apparatus
DE3831848A1 (de) * 1988-09-20 1990-03-29 Basf Ag Verfahren zur abtrennung von salzen mittels elektrodialyse
DE3903024A1 (de) * 1989-02-02 1990-08-16 Hoechst Ag Verfahren zur entsalzung von loesemittelhaltigen elektrolytloesungen durch elektrodialyse
SU1757725A1 (ru) * 1989-09-29 1992-08-30 Научно-Производственное Объединение "Ниихиммаш" Способ снижени солесодержани водных растворов и мембранный аппарат дл его осуществлени

Also Published As

Publication number Publication date
AU666870B2 (en) 1996-02-29
EP0536021A1 (fr) 1993-04-07
DE69203316T2 (de) 1996-02-01
CA2079617C (fr) 1999-02-16
AR246443A1 (es) 1994-08-31
DE69203316D1 (de) 1995-08-10
KR960000014B1 (ko) 1996-01-03
GR3017602T3 (en) 1996-01-31
ES2075653T3 (es) 1995-10-01
US5458751A (en) 1995-10-17
FR2682045A1 (fr) 1993-04-09
CN1071099A (zh) 1993-04-21
MX9205633A (es) 1993-05-01
KR930007816A (ko) 1993-05-20
JPH0829226B2 (ja) 1996-03-27
CA2079617A1 (fr) 1993-04-03
CN1032241C (zh) 1996-07-10
ATE124633T1 (de) 1995-07-15
AU2618092A (en) 1993-04-08
DK0536021T3 (da) 1995-11-27
EP0536021B1 (fr) 1995-07-05
TW229195B (pt) 1994-09-01
FR2682045B1 (fr) 1993-12-10
JPH0739727A (ja) 1995-02-10

Similar Documents

Publication Publication Date Title
BR9006983A (pt) Processo para a extracao com solvente
FR2655346B1 (fr) Procede de recuperation du xylose.
BR9100220A (pt) Processo para tornar aspero aluminio
BR8901994A (pt) Processo de extracao por solvente
BR8700463A (pt) Processo para recuperacao de galio
MX174342B (es) Proceso de extraccion con solvente, para tratamiento de substratos aceitosos
BR9105022A (pt) Processo para fusao continua de cobre
BR8701335A (pt) Processo para soldar
BR8402228A (pt) Processo para produzir solventes aromaticos de elevada qualidade
BR8902564A (pt) Processo para recuperar metacroleina
BR9206321A (pt) Processo para recuperar cobre de um concentrado de calcocita.
BR9203791A (pt) Processo para recuperacao de solvente polar aprotico
BR9001537A (pt) Processo para a recuperacao de cobalto
BR8404461A (pt) Processo para modificacao de polimeros
BR9103914A (pt) Processo para soldagem
BR8703651A (pt) Aparelho e processo para orientar extremidades de latas
BR9105781A (pt) Processo de recuperacao de mineral
BR9006982A (pt) Processo de recuperacao de a83543
BR9105765A (pt) Processo de recuperacao de mineral
BR8601963A (pt) Processo para recuperacao de ouro
BR8400173A (pt) Processo de troca de solvente para suspensoes de polimeros contendo carboxila
BR8507239A (pt) Processo de recuperacao de eixos de came
BR9001748A (pt) Processo para fabricacao de bastao de cobre
DE69512615D1 (de) Lösungsmittelzurückgewinnung
PT84666B (pt) Processo aperfeicoado para sintetizar n-amonoftalimida

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HO Change of classification

Free format text: ALTERADA DA CLASSIFICACAO INT. CL. 5 C25B 3/00

FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 14A , 15A , 16A , 17A E 18A ANUI DADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2278 DE 02/09/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 14A, 15A, 16A, 17A E 18A ANUIDADES.

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 2606 DE 15-12-2020 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.