MA18682A1 - Procede de preparation de solutions de phosphates alcalins pauvres en zinc - Google Patents
Procede de preparation de solutions de phosphates alcalins pauvres en zincInfo
- Publication number
- MA18682A1 MA18682A1 MA18884A MA18884A MA18682A1 MA 18682 A1 MA18682 A1 MA 18682A1 MA 18884 A MA18884 A MA 18884A MA 18884 A MA18884 A MA 18884A MA 18682 A1 MA18682 A1 MA 18682A1
- Authority
- MA
- Morocco
- Prior art keywords
- zinc
- alkali metal
- solutions
- preparation
- solution
- Prior art date
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)
- Oxygen, Ozone, And Oxides In General (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Fertilizers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Luminescent Compositions (AREA)
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 |
---|---|
MA18682A1 true MA18682A1 (fr) | 1980-07-01 |
Family
ID=6058233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA18884A MA18682A1 (fr) | 1978-12-23 | 1979-12-21 | Procede de preparation de solutions de phosphates alcalins pauvres en zinc |
Country Status (9)
Country | Link |
---|---|
US (1) | US4299803A (fr) |
EP (1) | EP0014755B1 (fr) |
JP (1) | JPS608968B2 (fr) |
AT (1) | ATE1350T1 (fr) |
DE (2) | DE2855922A1 (fr) |
ES (1) | ES485949A1 (fr) |
IL (1) | IL59022A (fr) |
MA (1) | MA18682A1 (fr) |
ZA (1) | ZA796941B (fr) |
Families Citing this family (4)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE721410C (de) * | 1936-09-21 | 1942-06-04 | Persil | Herstellung technisch reiner Alkaliphosphate |
US2162657A (en) * | 1936-09-21 | 1939-06-13 | Firm Persil Ges Henkel & Voith | Method of producing commercial alkali phosphates |
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 |
-
1978
- 1978-12-23 DE DE19782855922 patent/DE2855922A1/de not_active Withdrawn
-
1979
- 1979-11-14 ES ES485949A patent/ES485949A1/es not_active Expired
- 1979-12-10 EP EP79105035A patent/EP0014755B1/fr not_active Expired
- 1979-12-10 DE DE7979105035T patent/DE2963380D1/de not_active Expired
- 1979-12-10 AT AT79105035T patent/ATE1350T1/de not_active IP Right Cessation
- 1979-12-17 US US06/104,570 patent/US4299803A/en not_active Expired - Lifetime
- 1979-12-21 MA MA18884A patent/MA18682A1/fr unknown
- 1979-12-23 IL IL59022A patent/IL59022A/xx unknown
- 1979-12-23 ZA ZA00796941A patent/ZA796941B/xx unknown
- 1979-12-24 JP JP54166981A patent/JPS608968B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4299803A (en) | 1981-11-10 |
ZA796941B (en) | 1980-12-31 |
ES485949A1 (es) | 1980-05-16 |
IL59022A0 (en) | 1980-03-31 |
JPS608968B2 (ja) | 1985-03-07 |
ATE1350T1 (de) | 1982-08-15 |
EP0014755A1 (fr) | 1980-09-03 |
EP0014755B1 (fr) | 1982-07-21 |
IL59022A (en) | 1982-12-31 |
JPS5585410A (en) | 1980-06-27 |
DE2855922A1 (de) | 1980-07-10 |
DE2963380D1 (en) | 1982-09-09 |
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