ZA896496B - A process for the production of an alectrolyte for the production of alkali dichromates and chromic acid - Google Patents

A process for the production of an alectrolyte for the production of alkali dichromates and chromic acid

Info

Publication number
ZA896496B
ZA896496B ZA896496A ZA896496A ZA896496B ZA 896496 B ZA896496 B ZA 896496B ZA 896496 A ZA896496 A ZA 896496A ZA 896496 A ZA896496 A ZA 896496A ZA 896496 B ZA896496 B ZA 896496B
Authority
ZA
South Africa
Prior art keywords
production
alectrolyte
chromic acid
alkali dichromates
dichromates
Prior art date
Application number
ZA896496A
Inventor
Helmut Klotz
Klotz Helmut
Rainer Weber
Weber Rainer
Hans-Dieter Block
Block Hans-Dieter
Reinhold Klipper
Klipper Reinhold
Heiko Hoffmann
Hoffmann Heiko
Norbert Loenhoff
Loenhoff Norbert
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 ZA896496B publication Critical patent/ZA896496B/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
    • 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
ZA896496A 1988-08-27 1989-08-25 A process for the production of an alectrolyte for the production of alkali dichromates and chromic acid ZA896496B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3829120A DE3829120A1 (en) 1988-08-27 1988-08-27 METHOD FOR PRODUCING AN ELECTROLYTE FOR GENERATING ALKALIDICHROMATES AND CHROME ACID

Publications (1)

Publication Number Publication Date
ZA896496B true ZA896496B (en) 1990-05-30

Family

ID=6361720

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA896496A ZA896496B (en) 1988-08-27 1989-08-25 A process for the production of an alectrolyte for the production of alkali dichromates and chromic acid

Country Status (13)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829121A1 (en) * 1988-08-27 1990-03-01 Bayer Ag ELECTROCHEMICAL METHOD FOR THE PRODUCTION OF CHROME ACID
EP1078690B1 (en) 1999-08-27 2011-10-12 LANXESS Deutschland GmbH Method for producing monodisperse ion exchangers with chelating groups
DE10023970A1 (en) * 2000-05-16 2001-11-22 Bayer Ag Process for gas adsorption using aminomethylated polymer beads
CN112811468B (en) * 2020-12-25 2023-05-23 四川省绵阳市华意达化工有限公司 Method for improving quality of chromic anhydride

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2279453A1 (en) * 1974-07-24 1976-02-20 Dia Prosim SELECTIVE ION EXCHANGERS FOR SEPARATING AND FIXING METALS
US4157298A (en) * 1975-07-18 1979-06-05 Akzona Incorporated Method for the removal of ferric ions from a concentrated aqueous zinc solution
DE3704307A1 (en) * 1987-02-12 1988-08-25 Dow Chemical Gmbh COMPLEX-FORMING RESIN OF THE GELTYPS AND ITS USE TO REDUCE THE CONCENTRATION OF MULTI-VALUE EARTH ALKALI AND / OR HEAVY METAL IONS IN SOLUTIONS

Also Published As

Publication number Publication date
MX169749B (en) 1993-07-22
EP0356803A2 (en) 1990-03-07
RU1830051C (en) 1993-07-23
DD287409A5 (en) 1991-02-28
AR245429A1 (en) 1994-01-31
KR900003066A (en) 1990-03-23
JP2901190B2 (en) 1999-06-07
ES2052844T3 (en) 1994-07-16
KR970002899B1 (en) 1997-03-12
CA1339973C (en) 1998-07-28
DE3829120A1 (en) 1990-03-01
EP0356803A3 (en) 1990-03-28
RO103832B1 (en) 1992-04-26
RO103832A2 (en) 1991-12-09
EP0356803B1 (en) 1992-11-11
BR8904287A (en) 1990-04-17
JPH02107526A (en) 1990-04-19
DE58902682D1 (en) 1992-12-17

Similar Documents

Publication Publication Date Title
DE3571813D1 (en) A process for the production of polymers and aqueous solutions thereof
AU593953B2 (en) Process and catalyst for production of a bisphenol
SG36691G (en) A process for the production of a flacouring agent
AU3089289A (en) Process for production of modified resin
AU5664886A (en) A process for the production of a protein
GB2237286B (en) Process for the production of a hydrogen-rich gas
AU626685B2 (en) Process for the manufacture of a poly-l-olefin
AU589309B2 (en) A method for the production of amino resin
AU1184588A (en) Coated styrene resin vessel and process for its production
IL91017A0 (en) Process and installation for the manufacture of a complex egg-based product
AU3320889A (en) Process and arrangement for the monitoring of a clock signal
AU5316590A (en) A process for the production of titanium dioxide
AU3294989A (en) A process for the production of paper
ZA896496B (en) A process for the production of an alectrolyte for the production of alkali dichromates and chromic acid
ZA909328B (en) A process for the production of tio2
ZA896497B (en) A process for the production of alkali dichromates and chromic acid
AU2983789A (en) Process for production of solid sorbitol
EP0356805A3 (en) Process for the production of alkali dichromates and chromic acid
AU1289488A (en) A process for the production of polyamines
AR244349A1 (en) Process for the production of alkali dichromates and chromic acid
SG45180A1 (en) A process for the manufacture of 4-acetoxy-3- hydroxy-ethyl-azetidinone
GR910300018T1 (en) Process for the production of alpha-6-deoxytetracyclines
AU2299588A (en) Process for the production of polyethylene
ZA896495B (en) An electrochemical process for the production of chromic acid
ZA893270B (en) A process for the production of na dichromate