ES2052844T3 - Procedimiento para la preparacion de un electrolito para la obtencion de dicromatos alcalinos y acido cromico. - Google Patents

Procedimiento para la preparacion de un electrolito para la obtencion de dicromatos alcalinos y acido cromico.

Info

Publication number
ES2052844T3
ES2052844T3 ES89115031T ES89115031T ES2052844T3 ES 2052844 T3 ES2052844 T3 ES 2052844T3 ES 89115031 T ES89115031 T ES 89115031T ES 89115031 T ES89115031 T ES 89115031T ES 2052844 T3 ES2052844 T3 ES 2052844T3
Authority
ES
Spain
Prior art keywords
procedure
chromic acid
dicromates
electrolyte
alkaline
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES89115031T
Other languages
English (en)
Inventor
Helmut Dr Klotz
Rainer Dr Weber
Hans-Dieter Dr Block
Reinhold Dr Klipper
Heiko Hoffmann
Norbert Dr Lonhoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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
Application granted granted Critical
Publication of ES2052844T3 publication Critical patent/ES2052844T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Detergent Compositions (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

EL PRESENTE INVENTO SE REFIERE A UN PROCEDIMIENTO PARA ELIMINAR CATIONES DE VARIOS VALORES DE SOLUCIONES MONOCROMATICAS. TAMBIEN SE REFIERE EL INVENTO A SOLUCIONES MONOCROMATICAS OBTENIDAS SEGUN EL PROCEDIMIENTO Y A LA APLICACION DE LAS SOLUCIONES MONOCROMATICAS COMO ELECTROLITOS UTILIZADAS EN LA PRODUCCION ELECTROQUIMICA DE DICROMATOS Y ACIDO CROMICO (CRO3).
ES89115031T 1988-08-27 1989-08-15 Procedimiento para la preparacion de un electrolito para la obtencion de dicromatos alcalinos y acido cromico. Expired - Lifetime ES2052844T3 (es)

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
ES2052844T3 true ES2052844T3 (es) 1994-07-16

Family

ID=6361720

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89115031T Expired - Lifetime ES2052844T3 (es) 1988-08-27 1989-08-15 Procedimiento para la preparacion de un electrolito para la obtencion de dicromatos alcalinos y acido cromico.

Country Status (13)

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

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
EP0356803A2 (de) 1990-03-07
KR970002899B1 (ko) 1997-03-12
CA1339973C (en) 1998-07-28
RO103832A2 (en) 1991-12-09
JPH02107526A (ja) 1990-04-19
MX169749B (es) 1993-07-22
BR8904287A (pt) 1990-04-17
DD287409A5 (de) 1991-02-28
DE58902682D1 (de) 1992-12-17
JP2901190B2 (ja) 1999-06-07
EP0356803B1 (de) 1992-11-11
EP0356803A3 (en) 1990-03-28
AR245429A1 (es) 1994-01-31
DE3829120A1 (de) 1990-03-01
KR900003066A (ko) 1990-03-23
ZA896496B (en) 1990-05-30
RU1830051C (ru) 1993-07-23
RO103832B1 (ro) 1992-04-26

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