BR8904287A - Processo para a remocao de cations polivalentes de solucoes de monocromato,solucoes de monocromato e aplicacao - Google Patents

Processo para a remocao de cations polivalentes de solucoes de monocromato,solucoes de monocromato e aplicacao

Info

Publication number
BR8904287A
BR8904287A BR898904287A BR8904287A BR8904287A BR 8904287 A BR8904287 A BR 8904287A BR 898904287 A BR898904287 A BR 898904287A BR 8904287 A BR8904287 A BR 8904287A BR 8904287 A BR8904287 A BR 8904287A
Authority
BR
Brazil
Prior art keywords
monochrome
solutions
removal
application
polyvalent cations
Prior art date
Application number
BR898904287A
Other languages
English (en)
Inventor
Helmut Klotz
Rainer Weber
Hans-Dieter Block
Reinhold Klipper
Heiko Hoffmann
Norbert Loenhoff
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 BR8904287A publication Critical patent/BR8904287A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/14—Chromates; Bichromates
    • 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
    • C01G37/033—Chromium trioxide; Chromic acid
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/28—Per-compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
BR898904287A 1988-08-27 1989-08-25 Processo para a remocao de cations polivalentes de solucoes de monocromato,solucoes de monocromato e aplicacao BR8904287A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3829120A DE3829120A1 (de) 1988-08-27 1988-08-27 Verfahren zur herstellung eines elektrolyten zur erzeugung von alkalidichromaten und chromsaeure

Publications (1)

Publication Number Publication Date
BR8904287A true BR8904287A (pt) 1990-04-17

Family

ID=6361720

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898904287A BR8904287A (pt) 1988-08-27 1989-08-25 Processo para a remocao de cations polivalentes de solucoes de monocromato,solucoes de monocromato e aplicacao

Country Status (13)

Country Link
EP (1) EP0356803B1 (pt)
JP (1) JP2901190B2 (pt)
KR (1) KR970002899B1 (pt)
AR (1) AR245429A1 (pt)
BR (1) BR8904287A (pt)
CA (1) CA1339973C (pt)
DD (1) DD287409A5 (pt)
DE (2) DE3829120A1 (pt)
ES (1) ES2052844T3 (pt)
MX (1) MX169749B (pt)
RO (1) RO103832B1 (pt)
RU (1) RU1830051C (pt)
ZA (1) ZA896496B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829121A1 (de) * 1988-08-27 1990-03-01 Bayer Ag Elektrochemisches verfahren zur herstellung von chromsaeure
EP1078690B1 (de) 1999-08-27 2011-10-12 LANXESS Deutschland GmbH Verfahren zur Herstellung von monodispersen Ionenaustauschern mit chelatisierenden Gruppen
DE10023970A1 (de) * 2000-05-16 2001-11-22 Bayer Ag Verfahren zur Gasadsorption mittels aminomethylierter Perlpolymerisate
CN112811468B (zh) * 2020-12-25 2023-05-23 四川省绵阳市华意达化工有限公司 一种提高铬酸酐质量的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2279453A1 (fr) * 1974-07-24 1976-02-20 Dia Prosim Echangeurs d'ions selectifs pour separer et fixer les metaux
US4157298A (en) * 1975-07-18 1979-06-05 Akzona Incorporated Method for the removal of ferric ions from a concentrated aqueous zinc solution
DE3704307A1 (de) * 1987-02-12 1988-08-25 Dow Chemical Gmbh Komplexbildendes harz des geltyps und seine verwendung zur verringerung der konzentration mehrwertiger erdalkali- und/oder schwermetallionen in loesungen

Also Published As

Publication number Publication date
MX169749B (es) 1993-07-22
EP0356803A2 (de) 1990-03-07
RU1830051C (ru) 1993-07-23
DD287409A5 (de) 1991-02-28
AR245429A1 (es) 1994-01-31
KR900003066A (ko) 1990-03-23
JP2901190B2 (ja) 1999-06-07
ES2052844T3 (es) 1994-07-16
KR970002899B1 (ko) 1997-03-12
CA1339973C (en) 1998-07-28
DE3829120A1 (de) 1990-03-01
EP0356803A3 (en) 1990-03-28
RO103832B1 (ro) 1992-04-26
RO103832A2 (en) 1991-12-09
ZA896496B (en) 1990-05-30
EP0356803B1 (de) 1992-11-11
JPH02107526A (ja) 1990-04-19
DE58902682D1 (de) 1992-12-17

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law