CA1151845A - Process for the production of an iron-free chromium (iii) compound - Google Patents

Process for the production of an iron-free chromium (iii) compound

Info

Publication number
CA1151845A
CA1151845A CA000345153A CA345153A CA1151845A CA 1151845 A CA1151845 A CA 1151845A CA 000345153 A CA000345153 A CA 000345153A CA 345153 A CA345153 A CA 345153A CA 1151845 A CA1151845 A CA 1151845A
Authority
CA
Canada
Prior art keywords
chromium
iron
solution
precipitation
bivalent
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
Application number
CA000345153A
Other languages
English (en)
French (fr)
Inventor
Seppo O. Heimala
Stig-Erik Hultholm
Frans H. Tuovinen
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.)
Outokumpu Oyj
Original Assignee
Outokumpu Oyj
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 Outokumpu Oyj filed Critical Outokumpu Oyj
Application granted granted Critical
Publication of CA1151845A publication Critical patent/CA1151845A/en
Expired 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Iron (AREA)
  • Removal Of Specific Substances (AREA)
CA000345153A 1979-02-06 1980-02-06 Process for the production of an iron-free chromium (iii) compound Expired CA1151845A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI790391 1979-02-06
FI790391A FI60381C (fi) 1979-02-06 1979-02-06 Foerfarande foer framstaellning av en jaernfri krom(iii)foerening

Publications (1)

Publication Number Publication Date
CA1151845A true CA1151845A (en) 1983-08-16

Family

ID=8512366

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000345153A Expired CA1151845A (en) 1979-02-06 1980-02-06 Process for the production of an iron-free chromium (iii) compound

Country Status (11)

Country Link
AT (1) AT373857B (de)
AU (1) AU5501580A (de)
BR (1) BR8000616A (de)
CA (1) CA1151845A (de)
DE (1) DE3004174A1 (de)
FI (1) FI60381C (de)
GB (1) GB2042489B (de)
GR (1) GR66007B (de)
SE (1) SE435492B (de)
TR (1) TR20612A (de)
ZA (1) ZA80505B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI61855C (fi) * 1980-08-05 1982-10-11 Outokumpu Oy Foerfarande foer framstaellning av en jaernfri krom(iii)foerening
GB2118559B (en) * 1982-02-02 1985-07-31 Giuliano Guardini Process for extracting protein and chromium from chrome tanned hide wastes
DE4408614A1 (de) * 1994-03-15 1995-09-28 Hoechst Ag Verfahren zur Verminderung des Eisengehaltes eines chromhaltigen Elektrolyten
CN111573893B (zh) * 2020-05-25 2022-10-25 常州厚朴固废处理科技有限公司 一种不锈钢酸洗废液铬铁分离的方法

Also Published As

Publication number Publication date
FI790391A (fi) 1980-08-07
GR66007B (de) 1981-01-13
GB2042489B (en) 1982-12-22
ZA80505B (en) 1981-02-25
AU5501580A (en) 1980-08-14
FI60381B (fi) 1981-09-30
FI60381C (fi) 1982-01-11
DE3004174A1 (de) 1980-08-07
ATA55480A (de) 1983-07-15
SE435492B (sv) 1984-10-01
SE8000918L (sv) 1980-08-07
GB2042489A (en) 1980-09-24
AT373857B (de) 1984-02-27
BR8000616A (pt) 1980-10-14
TR20612A (tr) 1982-01-01

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Legal Events

Date Code Title Description
MKEX Expiry