ZA796941B - Production of alkali metal phosphate solutions free from zinc - Google Patents

Production of alkali metal phosphate solutions free from zinc

Info

Publication number
ZA796941B
ZA796941B ZA00796941A ZA796941A ZA796941B ZA 796941 B ZA796941 B ZA 796941B ZA 00796941 A ZA00796941 A ZA 00796941A ZA 796941 A ZA796941 A ZA 796941A ZA 796941 B ZA796941 B ZA 796941B
Authority
ZA
South Africa
Prior art keywords
alkali metal
zinc
metal phosphate
production
phosphate solutions
Prior art date
Application number
ZA00796941A
Other languages
English (en)
Inventor
K Schroedter
R Mulder
K Ehlers
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of ZA796941B publication Critical patent/ZA796941B/xx

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
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Fertilizers (AREA)
  • Luminescent Compositions (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
ZA00796941A 1978-12-23 1979-12-23 Production of alkali metal phosphate solutions free from zinc ZA796941B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782855922 DE2855922A1 (de) 1978-12-23 1978-12-23 Verfahren zur herstellung von zinkfreien alkaliphosphatloesungen

Publications (1)

Publication Number Publication Date
ZA796941B true ZA796941B (en) 1980-12-31

Family

ID=6058233

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00796941A ZA796941B (en) 1978-12-23 1979-12-23 Production of alkali metal phosphate solutions free from zinc

Country Status (9)

Country Link
US (1) US4299803A (xx)
EP (1) EP0014755B1 (xx)
JP (1) JPS608968B2 (xx)
AT (1) ATE1350T1 (xx)
DE (2) DE2855922A1 (xx)
ES (1) ES485949A1 (xx)
IL (1) IL59022A (xx)
MA (1) MA18682A1 (xx)
ZA (1) ZA796941B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853200A (en) * 1984-09-24 1989-08-01 Monsanto Company Continuous process for preparing sodium orthophosphate slurries from natural soda ash orthophosphoric acid
US4751066A (en) * 1986-05-08 1988-06-14 Fmc Corporation Process for preparing alkali metal phosphate
DE3826981A1 (de) * 1988-08-09 1990-02-15 Hoechst Ag Verfahren zur aufarbeitung von staeuben, die bei der elektrothermischen phosphorherstellung anfallen
RU2331105C1 (ru) * 2007-05-10 2008-08-10 Виктор Викторович Олексенко Универсальный мостовой инвертирующий сумматор

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162657A (en) * 1936-09-21 1939-06-13 Firm Persil Ges Henkel & Voith Method of producing commercial alkali phosphates
DE721410C (de) * 1936-09-21 1942-06-04 Persil Herstellung technisch reiner Alkaliphosphate
US2977191A (en) * 1957-03-19 1961-03-28 Union Chimique Belge Sa Anhydrous colorless phosphates
US3305305A (en) * 1962-12-26 1967-02-21 Hooker Chemical Corp Purification of phosphate solutions
DE1542645A1 (de) * 1965-03-27 1970-04-16 Albert Ag Chem Werke Verfahren zur Herstellung vanadinarmer Alkali- bzw. alkalihaltiger Phosphate aus nach dem Nassverfahren hergestellter Phosphorsaeure
DE1567619C3 (de) * 1965-05-15 1974-08-15 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Herstellung von vanadiumarmen Alkaliphosphaten
US3421845A (en) * 1965-06-07 1969-01-14 Hooker Chemical Corp Production of sodium phosphates
GB1267853A (en) * 1969-07-16 1972-03-22 Knapsack Ag Process for the manufacture of alkali metal phosphates of low vanadium content
US3685964A (en) * 1970-12-09 1972-08-22 Fmc Corp Purification of alkali phosphate solution
US3993733A (en) * 1975-08-14 1976-11-23 Stauffer Chemical Company Food grade alkali metal phosphates from wet process H3 PO4
DE2608029C2 (de) * 1976-02-27 1984-02-23 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung einer Alkaliphosphatlösung aus Naßverfahrensphosphorsäuren

Also Published As

Publication number Publication date
EP0014755A1 (de) 1980-09-03
DE2855922A1 (de) 1980-07-10
US4299803A (en) 1981-11-10
JPS5585410A (en) 1980-06-27
DE2963380D1 (en) 1982-09-09
IL59022A0 (en) 1980-03-31
MA18682A1 (fr) 1980-07-01
IL59022A (en) 1982-12-31
ATE1350T1 (de) 1982-08-15
EP0014755B1 (de) 1982-07-21
JPS608968B2 (ja) 1985-03-07
ES485949A1 (es) 1980-05-16

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