FR2219806A1 - Diaphragm cell for chromic-sulphuric acid prodn. - with membrane near cathode and high anode-cathode surface ratio - Google Patents

Diaphragm cell for chromic-sulphuric acid prodn. - with membrane near cathode and high anode-cathode surface ratio

Info

Publication number
FR2219806A1
FR2219806A1 FR7407161A FR7407161A FR2219806A1 FR 2219806 A1 FR2219806 A1 FR 2219806A1 FR 7407161 A FR7407161 A FR 7407161A FR 7407161 A FR7407161 A FR 7407161A FR 2219806 A1 FR2219806 A1 FR 2219806A1
Authority
FR
France
Prior art keywords
cathode
chromic
sulphuric acid
surface ratio
diaphragm cell
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.)
Withdrawn
Application number
FR7407161A
Other languages
English (en)
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of FR2219806A1 publication Critical patent/FR2219806A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/08—Chromium sulfates
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FR7407161A 1973-03-02 1974-03-01 Diaphragm cell for chromic-sulphuric acid prodn. - with membrane near cathode and high anode-cathode surface ratio Withdrawn FR2219806A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732310622 DE2310622A1 (de) 1973-03-02 1973-03-02 Diaphragmenzelle fuer die herstellung von schwefelsauren chromsaeureloesungen

Publications (1)

Publication Number Publication Date
FR2219806A1 true FR2219806A1 (en) 1974-09-27

Family

ID=5873693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7407161A Withdrawn FR2219806A1 (en) 1973-03-02 1974-03-01 Diaphragm cell for chromic-sulphuric acid prodn. - with membrane near cathode and high anode-cathode surface ratio

Country Status (3)

Country Link
JP (1) JPS501097A (fr)
DE (1) DE2310622A1 (fr)
FR (1) FR2219806A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986005215A1 (fr) * 1985-02-27 1986-09-12 Elin-Union Aktiengesellschaft Für Elektrische Indu Procede d'oxydation electrochimique de solutions de chrome iii dans l'acide sulfurique en solutions de chrome vi
EP0433750A1 (fr) * 1989-12-16 1991-06-26 Bayer Ag Procédé de préparation d'acide chromique
EP0433748A1 (fr) * 1989-12-16 1991-06-26 Bayer Ag Procédé de préparation d'acide chromique
EP0436146A1 (fr) * 1989-12-12 1991-07-10 Hoechst Aktiengesellschaft Procédé de régénération électrochimique d'acide chromosulfurique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62287587A (ja) * 1986-06-04 1987-12-14 松下電器産業株式会社 電熱ユニツト

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986005215A1 (fr) * 1985-02-27 1986-09-12 Elin-Union Aktiengesellschaft Für Elektrische Indu Procede d'oxydation electrochimique de solutions de chrome iii dans l'acide sulfurique en solutions de chrome vi
EP0436146A1 (fr) * 1989-12-12 1991-07-10 Hoechst Aktiengesellschaft Procédé de régénération électrochimique d'acide chromosulfurique
EP0433750A1 (fr) * 1989-12-16 1991-06-26 Bayer Ag Procédé de préparation d'acide chromique
EP0433748A1 (fr) * 1989-12-16 1991-06-26 Bayer Ag Procédé de préparation d'acide chromique
US5181994A (en) * 1989-12-16 1993-01-26 Bayer Aktiengesellschaft Process for the preparation of chromic acid

Also Published As

Publication number Publication date
DE2310622A1 (de) 1974-09-12
JPS501097A (fr) 1975-01-08

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Legal Events

Date Code Title Description
RE Withdrawal of published application