SE8000918L - PROCEDURE FOR THE PREPARATION OF AN IRON-FREE CHROME (III) - Google Patents

PROCEDURE FOR THE PREPARATION OF AN IRON-FREE CHROME (III)

Info

Publication number
SE8000918L
SE8000918L SE8000918A SE8000918A SE8000918L SE 8000918 L SE8000918 L SE 8000918L SE 8000918 A SE8000918 A SE 8000918A SE 8000918 A SE8000918 A SE 8000918A SE 8000918 L SE8000918 L SE 8000918L
Authority
SE
Sweden
Prior art keywords
iron
iii
procedure
preparation
chromium
Prior art date
Application number
SE8000918A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE435492B (en
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 SE8000918L publication Critical patent/SE8000918L/en
Publication of SE435492B publication Critical patent/SE435492B/en

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)

Abstract

A chromium (III) compound containing very little iron compound contaminant is selectively precipitated from a mixture of iron and chromium compounds in aqueous acid solution by use of an elevated temperature and pressure, the acid aqueous solution of iron and chromium compounds containing at least 2 g/l of bivalent chromium.
SE8000918A 1979-02-06 1980-02-05 PROCEDURE FOR THE EXPOSURE OF A SIGNIFICANT IRON-FREE CHROME (III) SE435492B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI790391A FI60381C (en) 1979-02-06 1979-02-06 FRAMEWORK FOR FRAMSTATING AV AND JAERNFRI KROM (III) FOERENING

Publications (2)

Publication Number Publication Date
SE8000918L true SE8000918L (en) 1980-08-07
SE435492B SE435492B (en) 1984-10-01

Family

ID=8512366

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8000918A SE435492B (en) 1979-02-06 1980-02-05 PROCEDURE FOR THE EXPOSURE OF A SIGNIFICANT IRON-FREE CHROME (III)

Country Status (11)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI61855C (en) * 1980-08-05 1982-10-11 Outokumpu Oy FRAMEWORK FOR FRAMSTATING AV AND 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 (en) * 1994-03-15 1995-09-28 Hoechst Ag Process for reducing the iron content of an electrolyte containing chromium
CN111573893B (en) * 2020-05-25 2022-10-25 常州厚朴固废处理科技有限公司 Method for separating chromium from stainless steel pickling waste liquid

Also Published As

Publication number Publication date
FI60381C (en) 1982-01-11
CA1151845A (en) 1983-08-16
GB2042489A (en) 1980-09-24
FI60381B (en) 1981-09-30
DE3004174A1 (en) 1980-08-07
FI790391A (en) 1980-08-07
BR8000616A (en) 1980-10-14
GR66007B (en) 1981-01-13
AU5501580A (en) 1980-08-14
SE435492B (en) 1984-10-01
ZA80505B (en) 1981-02-25
GB2042489B (en) 1982-12-22
AT373857B (en) 1984-02-27
TR20612A (en) 1982-01-01
ATA55480A (en) 1983-07-15

Similar Documents

Publication Publication Date Title
ES457191A1 (en) A procedure for preparing the isomero without the compounds of 3-cefem-4-carboxylic acid replaced in positions 3 and 7. (Machine-translation by Google Translate, not legally binding)
PL216658A1 (en)
ATE15646T1 (en) PROCESS FOR THE PREPARATION OF HYDROXY-PHENOXYALKANCARBONS|URES.
SE8000918L (en) PROCEDURE FOR THE PREPARATION OF AN IRON-FREE CHROME (III)
SE429964B (en) PROCEDURE FOR THE PREPARATION OF A-AMINOSYREAMIDE
GB2168712B (en) 1:2 metal complex dyes and use thereof for dyeing polyamide-containing material
SE8104607L (en) PROCEDURE FOR THE PREPARATION OF AN IRON-FREE CHROME (III)
DK439082A (en) 4-ACYLAMINO-1-AZA-ADAMANTAN COMPOUNDS AND PROCEDURES FOR PREPARING THEREOF
SE8206548D0 (en) benzylidene
GB2014178A (en) 6/7-Halogenoanthraquinone compounds, and the production and use thereof
DK328281A (en) R PROCEDURE FOR THE PREPARATION OF TRIFLUIC ACETIC ACID DERIVATIVES
SE7609463L (en) PROCEDURE FOR THE PREPARATION OF AMINOACETALDEHYDRACETALS
SE7903971L (en) ANTITUMORDEOXIANTRACYCLINES
FR2415462B1 (en)
SE7701834L (en) 4-HYDROXY-2-QUINOLINONE-3-CARBOXYLIC ACID ESTERS
CH613203A5 (en) Process for the preparation of 4,4-diphenylcyclohexylpiperidine
ES405859A1 (en) Digitoxsyl acrylonitrile derivatives
RO80196A (en) PROCESS FOR PREPARING 4-AMINO-5-CHLORINE-1-PHENYL-PYRIDAZONE
GB1015786A (en) New 2-chloro-thiazole compounds
DE3261930D1 (en) Process for the preparation of polyfunctional organic compounds with at least one tert. butyl ether group or one tert. butyl ester group
ES424847A1 (en) Monoazo pigment and process for its manufacture
BE873383A (en) PROCESS FOR THE PRODUCTION OF COMPLEXES (1: 2) OF DYE CHROME
GB786007A (en) Thiazolo-pyrimidines
JPS51121470A (en) Process for treating a chromium (vi)-containing waste water
ES8306748A1 (en) Thiazoline derivatives.

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8000918-6

Effective date: 19880125

Format of ref document f/p: F