ES2063405T3 - Fabricacion de acido cromico utilizando membranas bipolares. - Google Patents

Fabricacion de acido cromico utilizando membranas bipolares.

Info

Publication number
ES2063405T3
ES2063405T3 ES91109415T ES91109415T ES2063405T3 ES 2063405 T3 ES2063405 T3 ES 2063405T3 ES 91109415 T ES91109415 T ES 91109415T ES 91109415 T ES91109415 T ES 91109415T ES 2063405 T3 ES2063405 T3 ES 2063405T3
Authority
ES
Spain
Prior art keywords
chromic acid
manufacture
bipolar membranes
dichromate
monocromate
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES91109415T
Other languages
English (en)
Inventor
Helmut Dr Klotz
Rainer Dr Weber
Wolfgang Dr Ohlendorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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
Application granted granted Critical
Publication of ES2063405T3 publication Critical patent/ES2063405T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/22—Inorganic acids
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/28—Per-compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

LA PRESENTE INVENCION CONCIERNE A UN PROCEDIMIENTO PARA LA PRODUCCION DE DICROMATOS ALCALINOS Y DE ACIDO CROMICO POR ELECTROLISIS DE SOLUCIONES DE MONOCROMATO Y/O DE DICROMATO EN UNA CELDA DE VARIAS CAMARAS, EN LA QUE LA CAMARA ANODICA (1) ESTA PROTEGIDA DE LA SOLUCION DE CROMATO, DE DICROMATO Y/O DE ACIDO CROMICO (2), POR MEDIO DE UNA MEMBRANA BIPOLAR DE INTERCAMBIO IONICO (AK).
ES91109415T 1990-06-23 1991-06-08 Fabricacion de acido cromico utilizando membranas bipolares. Expired - Lifetime ES2063405T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4020051A DE4020051A1 (de) 1990-06-23 1990-06-23 Chromsaeure-herstellung unter verwendung von bipolaren membranen

Publications (1)

Publication Number Publication Date
ES2063405T3 true ES2063405T3 (es) 1995-01-01

Family

ID=6408944

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91109415T Expired - Lifetime ES2063405T3 (es) 1990-06-23 1991-06-08 Fabricacion de acido cromico utilizando membranas bipolares.

Country Status (6)

Country Link
US (1) US5096547A (es)
EP (1) EP0463438B1 (es)
JP (1) JPH04231489A (es)
BR (1) BR9102613A (es)
DE (2) DE4020051A1 (es)
ES (1) ES2063405T3 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9302261A (nl) * 1993-12-24 1995-07-17 Elektrolyse Project B V Werkwijze voor het reinigen van zuuroplossing.
US6063252A (en) * 1997-08-08 2000-05-16 Raymond; John L. Method and apparatus for enriching the chromium in a chromium plating bath
AUPP521298A0 (en) * 1998-08-12 1998-09-03 Life Therapeutics Limited Purification of fibrinogen
AUPP790898A0 (en) 1998-12-23 1999-01-28 Life Therapeutics Limited Renal dialysis
US20050224355A1 (en) * 1999-12-23 2005-10-13 Brendon Conlan Removal of biological contaminants
AUPP790698A0 (en) * 1998-12-23 1999-01-28 Life Therapeutics Limited Separation of microorganisms
US7077942B1 (en) * 1999-12-23 2006-07-18 Gradipore Limited Removal of biological contaminants
AUPQ691400A0 (en) * 2000-04-14 2000-05-11 Life Therapeutics Limited Separation of micromolecules
WO2001078877A1 (en) 2000-04-18 2001-10-25 Gradipore Limited Electrophoresis separation and treatment of samples
AUPQ697300A0 (en) 2000-04-18 2000-05-11 Life Therapeutics Limited Separation apparatus
US6923896B2 (en) * 2000-09-22 2005-08-02 The Texas A&M University System Electrophoresis apparatus and method
US20030019753A1 (en) * 2000-10-05 2003-01-30 David Ogle Multi-port separation apparatus and method
AUPR222300A0 (en) * 2000-12-21 2001-01-25 Life Therapeutics Limited Electrophoresis device and method
RU2591025C1 (ru) * 2015-03-11 2016-07-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Российский химико-технологический университет имени Д. И. Менделеева" (РХТУ им. Д. И. Менделеева) Способ электромембранной регенерации раствора снятия хромовых покрытий
CN104862730B (zh) * 2015-06-12 2018-03-06 广东航鑫科技股份公司 一种离子膜电解制备高锰酸钾的方法
JP7219051B2 (ja) * 2018-10-31 2023-02-07 三菱重工業株式会社 酸性処理液処理装置、及び、酸性処理液処理方法
CN118891230A (zh) * 2022-01-20 2024-11-01 不列颠哥伦比亚大学 用于将金属碳酸盐转化为金属氢氧化物的方法和设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB961200A (en) * 1961-12-08 1964-06-17 Pittsburgh Plate Glass Co Production of chromic acid
US3305463A (en) * 1962-03-16 1967-02-21 Pittsburgh Plate Glass Co Electrolytic production of dichromates
US4290864A (en) * 1979-05-29 1981-09-22 Diamond Shamrock Corporation Chromic acid production process using a three-compartment cell
US4273628A (en) * 1979-05-29 1981-06-16 Diamond Shamrock Corp. Production of chromic acid using two-compartment and three-compartment cells
US4536269A (en) * 1983-05-02 1985-08-20 Allied Corporation Multichamber two-compartment electrodialytic water splitter and method of using same for acidification of aqueous soluble salts

Also Published As

Publication number Publication date
JPH04231489A (ja) 1992-08-20
EP0463438A1 (de) 1992-01-02
EP0463438B1 (de) 1994-11-09
DE59103472D1 (de) 1994-12-15
BR9102613A (pt) 1992-01-21
DE4020051A1 (de) 1992-01-02
US5096547A (en) 1992-03-17

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