ZA774686B - Production of low sulfur chromium-(iii)oxide - Google Patents

Production of low sulfur chromium-(iii)oxide

Info

Publication number
ZA774686B
ZA774686B ZA00774686A ZA774686A ZA774686B ZA 774686 B ZA774686 B ZA 774686B ZA 00774686 A ZA00774686 A ZA 00774686A ZA 774686 A ZA774686 A ZA 774686A ZA 774686 B ZA774686 B ZA 774686B
Authority
ZA
South Africa
Prior art keywords
iii
oxide
production
low sulfur
sulfur chromium
Prior art date
Application number
ZA00774686A
Other languages
English (en)
Inventor
H Heine
G Trenczek
B Raederscheidt
W Rambold
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
Publication of ZA774686B publication Critical patent/ZA774686B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
ZA00774686A 1976-08-04 1977-08-03 Production of low sulfur chromium-(iii)oxide ZA774686B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2635086A DE2635086C3 (de) 1976-08-04 1976-08-04 Verfahren zur Herstellung von schwefelarmen Chrom(III)oxid

Publications (1)

Publication Number Publication Date
ZA774686B true ZA774686B (en) 1978-06-28

Family

ID=5984727

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00774686A ZA774686B (en) 1976-08-04 1977-08-03 Production of low sulfur chromium-(iii)oxide

Country Status (7)

Country Link
US (1) US4235862A (de)
JP (1) JPS5318497A (de)
BR (1) BR7705107A (de)
DE (1) DE2635086C3 (de)
FR (1) FR2360516A1 (de)
GB (1) GB1542029A (de)
ZA (1) ZA774686B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7900261A (nl) * 1978-01-17 1979-07-19 British Chrome Chemicals Ltd Bereiding van chroomoxide.
US4296076A (en) * 1979-01-15 1981-10-20 British Chrome & Chemicals Ltd. Chromic oxide production
US4207295A (en) * 1979-02-13 1980-06-10 Union Carbide Corporation Processing of chromium ore
DE3609971A1 (de) * 1986-03-25 1987-10-01 Basf Ag Verfahren zur herstellung von chrom(iii)oxid, eine vorrichtung zur durchfuehrung des verfahrens sowie die verwendung des chrom(iii)oxids als ausgangsmaterial fuer die chromdioxid-synthese
DE3819779A1 (de) * 1988-06-10 1989-12-21 Bayer Ag Verbessertes chromoxidgruen, verfahren zu seiner herstellung und dessen verwendung
EP2516332B1 (de) 2009-12-22 2014-04-02 LANXESS Deutschland GmbH Verfahren zur herstellung von chrom(iii)oxid
RU2012131059A (ru) 2009-12-22 2014-01-27 ЛЕНКСЕСС Дойчланд ГмбХ Способ получения бихромата аммония
AR080718A1 (es) 2010-03-23 2012-05-02 Lanxess Deutschland Gmbh Procedimiento para la preparcion de oxido de cromo (iii)
EP2565162A1 (de) 2011-09-05 2013-03-06 LANXESS Deutschland GmbH Verfahren zur Herstellung von Chrom(III)-oxid
AR084183A1 (es) 2010-12-08 2013-04-24 Lanxess Deutschland Gmbh Procedimiento para la produccion de oxido de cromo (iii)
RU2687425C1 (ru) * 2018-04-26 2019-05-13 Акционерное общество Новотроицкий завод хромовых соединений (АО НЗХС) Способ получения окиси хрома

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1429912A (en) * 1921-11-05 1922-09-19 D Adrian Alexander L Duval Process of making green chrome oxide
DE728233C (de) * 1940-04-03 1942-11-23 Silesia Ver Chemischer Fabrike Herstellung von Chromoxydgruen
US2921838A (en) * 1957-04-23 1960-01-19 Leonard J Buck Inc Process of preparing chromic oxide
GB1038773A (en) * 1963-04-02 1966-08-10 Ass Chem Co Improvements relating to the production of chromic oxide
US4052225A (en) * 1974-04-03 1977-10-04 Bayer Aktiengesellschaft Production of low-sulfur chromium (iii) oxide pigment
DE2506443C3 (de) * 1975-02-15 1981-06-25 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Chromoxidgrün
US4040860A (en) * 1975-07-09 1977-08-09 Bayer Aktiengesellschaft Chromium oxide pigment from sodium chromate dihydrate plus ammonium salt

Also Published As

Publication number Publication date
DE2635086C3 (de) 1980-11-06
DE2635086A1 (de) 1978-02-09
DE2635086B2 (de) 1980-03-20
BR7705107A (pt) 1978-06-06
GB1542029A (en) 1979-03-14
JPS5318497A (en) 1978-02-20
US4235862A (en) 1980-11-25
FR2360516A1 (fr) 1978-03-03

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