SE453490B - Forfarande for framstellning av en jernfri krom(iii)forening ur en sur vattenlosning innehallande jern och krom - Google Patents

Forfarande for framstellning av en jernfri krom(iii)forening ur en sur vattenlosning innehallande jern och krom

Info

Publication number
SE453490B
SE453490B SE8104607A SE8104607A SE453490B SE 453490 B SE453490 B SE 453490B SE 8104607 A SE8104607 A SE 8104607A SE 8104607 A SE8104607 A SE 8104607A SE 453490 B SE453490 B SE 453490B
Authority
SE
Sweden
Prior art keywords
solution
iron
precipitation
chromium
zinc
Prior art date
Application number
SE8104607A
Other languages
English (en)
Swedish (sv)
Other versions
SE8104607L (sv
Inventor
S O Heimala
S E Hultholm
F H Tuovinen
Original Assignee
Outokumpu Oy
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 Oy filed Critical Outokumpu Oy
Publication of SE8104607L publication Critical patent/SE8104607L/
Publication of SE453490B publication Critical patent/SE453490B/sv

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Catalysts (AREA)
SE8104607A 1980-08-05 1981-07-30 Forfarande for framstellning av en jernfri krom(iii)forening ur en sur vattenlosning innehallande jern och krom SE453490B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI802445A FI61855C (fi) 1980-08-05 1980-08-05 Foerfarande foer framstaellning av en jaernfri krom(iii)foerening

Publications (2)

Publication Number Publication Date
SE8104607L SE8104607L (sv) 1982-02-06
SE453490B true SE453490B (sv) 1988-02-08

Family

ID=8513669

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8104607A SE453490B (sv) 1980-08-05 1981-07-30 Forfarande for framstellning av en jernfri krom(iii)forening ur en sur vattenlosning innehallande jern och krom

Country Status (8)

Country Link
US (1) US4393029A (fr)
JP (1) JPS57118030A (fr)
DE (1) DE3126681A1 (fr)
FI (1) FI61855C (fr)
FR (1) FR2493297B1 (fr)
GB (1) GB2081696B (fr)
NO (1) NO155960C (fr)
SE (1) SE453490B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118559B (en) * 1982-02-02 1985-07-31 Giuliano Guardini Process for extracting protein and chromium from chrome tanned hide wastes
EP0433748B1 (fr) * 1989-12-16 1993-12-01 Bayer Ag Procédé de préparation d'acide chromique
ES2060906T3 (es) * 1989-12-16 1994-12-01 Bayer Ag Procedimiento para la fabricacion de acido cromico.
US7968066B2 (en) * 2003-03-19 2011-06-28 Institute Of Process Engineering Chinese Academy Of Sciences Method for production of alkali metal chromates

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB204886A (en) * 1922-09-22 1923-10-11 Griesheim Elektron Chem Fab Process for the production of chromium oxide from chrome iron ore
CH181527A (de) * 1934-08-14 1935-12-31 Wydler Ernst Verfahren zur Gewinnung von reinem Chromihydroxyd aus unreinen Chromisulfatlösungen.
JPS4717697U (fr) * 1971-03-30 1972-10-30
US3896209A (en) * 1973-01-22 1975-07-22 Du Pont Reduction of hexavalent chromium
US3961029A (en) * 1973-05-21 1976-06-01 Tokico Ltd. Process for recovering chromic acid solution from a waste liquor containing chromic ions
US4108596A (en) * 1975-07-11 1978-08-22 Revere Copper And Brass, Incorporated Recovery of chromium values from waste streams by the use of alkaline magnesium compounds
DE2710175C2 (de) * 1977-03-09 1986-08-28 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Chromgerbstoff und Glaubersalz
US4086150A (en) * 1977-06-27 1978-04-25 Huron Chemicals Limited Chromate removal by precipitation
FI60381C (fi) * 1979-02-06 1982-01-11 Outokumpu Oy Foerfarande foer framstaellning av en jaernfri krom(iii)foerening
US4207295A (en) * 1979-02-13 1980-06-10 Union Carbide Corporation Processing of chromium ore
US4259297A (en) * 1979-09-04 1981-03-31 Olin Corporation Chromate removal from concentrated chlorate solution by chemical precipitation

Also Published As

Publication number Publication date
GB2081696A (en) 1982-02-24
GB2081696B (en) 1984-06-27
NO155960C (no) 1987-07-01
JPS57118030A (en) 1982-07-22
NO155960B (no) 1987-03-23
NO812598L (no) 1982-02-08
JPH0116777B2 (fr) 1989-03-27
SE8104607L (sv) 1982-02-06
DE3126681A1 (de) 1982-03-18
FR2493297B1 (fr) 1985-11-22
FI802445A (fi) 1982-02-06
FI61855C (fi) 1982-10-11
FR2493297A1 (fr) 1982-05-07
US4393029A (en) 1983-07-12
FI61855B (fi) 1982-06-30

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