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FI60381C - Foerfarande foer framstaellning av en jaernfri krom(iii)foerening - Google Patents

Foerfarande foer framstaellning av en jaernfri krom(iii)foerening Download PDF

Info

Publication number
FI60381C
FI60381C FI790391A FI790391A FI60381C FI 60381 C FI60381 C FI 60381C FI 790391 A FI790391 A FI 790391A FI 790391 A FI790391 A FI 790391A FI 60381 C FI60381 C FI 60381C
Authority
FI
Finland
Prior art keywords
chromium
solution
iron
divalent
precipitation
Prior art date
Application number
FI790391A
Other languages
English (en)
Finnish (fi)
Other versions
FI60381B (fi
FI790391A (fi
Inventor
Seppo Olavi Heimala
Stig-Erik Hultholm
Frans Heikki 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
Priority to FI790391A priority Critical patent/FI60381C/fi
Priority to ZA00800505A priority patent/ZA80505B/xx
Priority to AU55015/80A priority patent/AU5501580A/en
Priority to GR61084A priority patent/GR66007B/el
Priority to BR8000616A priority patent/BR8000616A/pt
Priority to AT0055480A priority patent/AT373857B/de
Priority to GB8003757A priority patent/GB2042489B/en
Priority to DE19803004174 priority patent/DE3004174A1/de
Priority to SE8000918A priority patent/SE435492B/sv
Priority to TR20612A priority patent/TR20612A/xx
Priority to CA000345153A priority patent/CA1151845A/en
Publication of FI790391A publication Critical patent/FI790391A/fi
Publication of FI60381B publication Critical patent/FI60381B/fi
Application granted granted Critical
Publication of FI60381C publication Critical patent/FI60381C/fi

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)
FI790391A 1979-02-06 1979-02-06 Foerfarande foer framstaellning av en jaernfri krom(iii)foerening FI60381C (fi)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI790391A FI60381C (fi) 1979-02-06 1979-02-06 Foerfarande foer framstaellning av en jaernfri krom(iii)foerening
ZA00800505A ZA80505B (en) 1979-02-06 1980-01-28 Process for the production of an iron-free chromium (iii) compound
AU55015/80A AU5501580A (en) 1979-02-06 1980-01-29 Iron-free chromium compound
GR61084A GR66007B (sv) 1979-02-06 1980-01-30
BR8000616A BR8000616A (pt) 1979-02-06 1980-01-31 Processo para a precipitacao a elevadas temperatura e pressao, de um composto de cromo, substancialmente isento de ferro
AT0055480A AT373857B (de) 1979-02-06 1980-02-01 Verfahren zum faellen einer im wesentlichen eisenfreien chrom(iii)-verbindung
GB8003757A GB2042489B (en) 1979-02-06 1980-02-05 Production of a substantially iron-free chromium (iii) compound
DE19803004174 DE3004174A1 (de) 1979-02-06 1980-02-05 Verfahren zum faellen von im wesentlichen eisenfreien chrom(iii)-verbindungen
SE8000918A SE435492B (sv) 1979-02-06 1980-02-05 Forfarande for utfellning av en vesentligen jernfri krom(iii)forening
TR20612A TR20612A (tr) 1979-02-06 1980-02-05 Demirden azade bir krom(iii)bilesiginin ueretilmesine mahsus usuel
CA000345153A CA1151845A (en) 1979-02-06 1980-02-06 Process for the production of an iron-free chromium (iii) compound

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 (3)

Publication Number Publication Date
FI790391A FI790391A (fi) 1980-08-07
FI60381B FI60381B (fi) 1981-09-30
FI60381C true FI60381C (fi) 1982-01-11

Family

ID=8512366

Family Applications (1)

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

Country Status (11)

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

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
AT373857B (de) 1984-02-27
FI60381B (fi) 1981-09-30
TR20612A (tr) 1982-01-01
SE435492B (sv) 1984-10-01
GR66007B (sv) 1981-01-13
FI790391A (fi) 1980-08-07
DE3004174A1 (de) 1980-08-07
CA1151845A (en) 1983-08-16
AU5501580A (en) 1980-08-14
GB2042489B (en) 1982-12-22
ATA55480A (de) 1983-07-15
GB2042489A (en) 1980-09-24
BR8000616A (pt) 1980-10-14
ZA80505B (en) 1981-02-25
SE8000918L (sv) 1980-08-07

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Legal Events

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MM Patent lapsed

Owner name: OUTOKUMPU OY