FI873678A0 - Foerfarande foer elektrokemisk oxidation av svavelsyrahaltiga krom(iii)loesningar till krom (vi) loesningar. - Google Patents

Foerfarande foer elektrokemisk oxidation av svavelsyrahaltiga krom(iii)loesningar till krom (vi) loesningar.

Info

Publication number
FI873678A0
FI873678A0 FI873678A FI873678A FI873678A0 FI 873678 A0 FI873678 A0 FI 873678A0 FI 873678 A FI873678 A FI 873678A FI 873678 A FI873678 A FI 873678A FI 873678 A0 FI873678 A0 FI 873678A0
Authority
FI
Finland
Prior art keywords
loesningar
krom
svavelsyrahaltiga
elektrokemisk
till
Prior art date
Application number
FI873678A
Other languages
English (en)
Other versions
FI80075B (fi
FI873678A (fi
FI80075C (fi
Inventor
Richard Vytlacil
Original Assignee
Elin Union 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 Elin Union Ag filed Critical Elin Union Ag
Publication of FI873678A publication Critical patent/FI873678A/fi
Publication of FI873678A0 publication Critical patent/FI873678A0/fi
Publication of FI80075B publication Critical patent/FI80075B/fi
Application granted granted Critical
Publication of FI80075C publication Critical patent/FI80075C/fi

Links

Classifications

    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Treating Waste Gases (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
FI873678A 1985-02-27 1987-08-25 Foerfarande foer elektrokemisk oxidation av svavelsyrahaltiga krom(iii)loesningar till krom (vi) loesningar. FI80075C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT57785 1985-02-27
AT0057785A AT382894B (de) 1985-02-27 1985-02-27 Verfahren zur elektrochemischen oxidation von schwefelsauren chrom-iii-loesungen zu chrom-vil¯sungen
AT8600016 1986-02-27
PCT/AT1986/000016 WO1986005215A1 (en) 1985-02-27 1986-02-27 Method for the electrochemical oxidation of sulphuric acid chromium iii solutions into chromium vi solutions

Publications (4)

Publication Number Publication Date
FI873678A FI873678A (fi) 1987-08-25
FI873678A0 true FI873678A0 (fi) 1987-08-25
FI80075B FI80075B (fi) 1989-12-29
FI80075C FI80075C (fi) 1990-04-10

Family

ID=3494262

Family Applications (1)

Application Number Title Priority Date Filing Date
FI873678A FI80075C (fi) 1985-02-27 1987-08-25 Foerfarande foer elektrokemisk oxidation av svavelsyrahaltiga krom(iii)loesningar till krom (vi) loesningar.

Country Status (11)

Country Link
US (1) US4859294A (fi)
EP (1) EP0245279B1 (fi)
JP (1) JPS62501979A (fi)
AT (1) AT382894B (fi)
AU (1) AU5580786A (fi)
BG (1) BG80794A (fi)
DD (1) DD243300A5 (fi)
DE (1) DE3664341D1 (fi)
FI (1) FI80075C (fi)
HU (1) HU201361B (fi)
WO (1) WO1986005215A1 (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940978A1 (de) * 1989-12-12 1991-06-13 Hoechst Ag Verfahren zur elektrochemischen regenerierung von chromschwefelsaeure
US6468414B1 (en) 2001-02-16 2002-10-22 Hydro-Quebec Method of purification of a redox mediator before electrolytic regeneration thereof
GB2399349A (en) * 2003-03-13 2004-09-15 Kurion Technologies Ltd Regeneration of chromic acid etching and pickling baths
JP6206382B2 (ja) * 2014-11-28 2017-10-04 住友金属鉱山株式会社 水酸化インジウム粉の製造方法
KR20200049825A (ko) * 2017-09-08 2020-05-08 하스콜리 아이슬란드 전이 금속 산화물 촉매를 사용한 전해 암모니아 생성

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE103860C (fi) *
US1739107A (en) * 1925-11-05 1929-12-10 Marvin J Udy Process of making chromic acid
DE2310622A1 (de) * 1973-03-02 1974-09-12 Basf Ag Diaphragmenzelle fuer die herstellung von schwefelsauren chromsaeureloesungen
US4006067A (en) * 1973-03-05 1977-02-01 Gussack Mark C Oxidation-reduction process
US4273628A (en) * 1979-05-29 1981-06-16 Diamond Shamrock Corp. Production of chromic acid using two-compartment and three-compartment cells

Also Published As

Publication number Publication date
AT382894B (de) 1987-04-27
US4859294A (en) 1989-08-22
DE3664341D1 (en) 1989-08-17
FI80075B (fi) 1989-12-29
JPS62501979A (ja) 1987-08-06
HU201361B (en) 1990-10-28
FI873678A (fi) 1987-08-25
EP0245279B1 (de) 1989-07-12
HUT46081A (en) 1988-09-28
DD243300A5 (de) 1987-02-25
AU5580786A (en) 1986-09-24
BG80794A (bg) 1993-12-24
EP0245279A1 (de) 1987-11-19
WO1986005215A1 (en) 1986-09-12
FI80075C (fi) 1990-04-10
ATA57785A (de) 1986-09-15

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: ELIN- UNION AKTIENGESELLSCHAFT FUER