AT140843B - Process for the production of salts of hexavalent chromium with simultaneous recovery of valuable oxygen compounds. - Google Patents

Process for the production of salts of hexavalent chromium with simultaneous recovery of valuable oxygen compounds.

Info

Publication number
AT140843B
AT140843B AT140843DA AT140843B AT 140843 B AT140843 B AT 140843B AT 140843D A AT140843D A AT 140843DA AT 140843 B AT140843 B AT 140843B
Authority
AT
Austria
Prior art keywords
salts
production
hexavalent chromium
oxygen compounds
simultaneous recovery
Prior art date
Application number
Other languages
German (de)
Original Assignee
Bozel Maletra Ste Ind De Prod
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 Bozel Maletra Ste Ind De Prod filed Critical Bozel Maletra Ste Ind De Prod
Application granted granted Critical
Publication of AT140843B publication Critical patent/AT140843B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/003—Phosphorus
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/305—Preparation from phosphorus-containing compounds by alkaline treatment
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/305—Preparation from phosphorus-containing compounds by alkaline treatment
    • C01B25/306—Preparation from phosphorus-containing compounds by alkaline treatment from phosphates
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1204—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 preliminary treatment of ores or scrap to eliminate non- titanium constituents, e.g. iron, without attacking the titanium constituent
    • C22B34/1213—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 preliminary treatment of ores or scrap to eliminate non- titanium constituents, e.g. iron, without attacking the titanium constituent by wet processes, e.g. using leaching methods or flotation techniques

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AT140843D 1932-12-25 1933-12-20 Process for the production of salts of hexavalent chromium with simultaneous recovery of valuable oxygen compounds. AT140843B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEB158944D DE629600C (en) 1932-12-25 1932-12-25 Process for the simultaneous production of salts of low-grade chromium and of alkali metal phosphates
DEB161369D DE630964C (en) 1932-12-25 1933-06-24 Process for the production of salts of hexavalent chromium
DEB163250D DE633593C (en) 1932-12-25 1933-11-24 Process for the production of salts of hexavalent chromium
DEB163282D DE636588C (en) 1932-12-25 1933-11-25 Process for the production of salts of hexavalent chromium

Publications (1)

Publication Number Publication Date
AT140843B true AT140843B (en) 1935-02-25

Family

ID=33568670

Family Applications (1)

Application Number Title Priority Date Filing Date
AT140843D AT140843B (en) 1932-12-25 1933-12-20 Process for the production of salts of hexavalent chromium with simultaneous recovery of valuable oxygen compounds.

Country Status (4)

Country Link
AT (1) AT140843B (en)
DE (4) DE629600C (en)
FR (1) FR768366A (en)
NL (1) NL38974C (en)

Also Published As

Publication number Publication date
DE633593C (en) 1936-07-31
DE630964C (en) 1936-06-09
FR768366A (en) 1934-08-04
DE636588C (en) 1936-10-10
NL38974C (en) 1936-09-15
DE629600C (en) 1936-05-09

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