ES485949A1 - Procedimiento para la preparacion de solucionesde fosfato demetales alcalinos exentas de zinc - Google Patents
Procedimiento para la preparacion de solucionesde fosfato demetales alcalinos exentas de zincInfo
- Publication number
- ES485949A1 ES485949A1 ES485949A ES485949A ES485949A1 ES 485949 A1 ES485949 A1 ES 485949A1 ES 485949 A ES485949 A ES 485949A ES 485949 A ES485949 A ES 485949A ES 485949 A1 ES485949 A1 ES 485949A1
- Authority
- ES
- Spain
- Prior art keywords
- zinc
- alkali metal
- alkaliphosphate
- producing
- solutions free
- 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
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052725 zinc Inorganic materials 0.000 title abstract 3
- 239000011701 zinc Substances 0.000 title abstract 3
- 239000000243 solution Substances 0.000 abstract 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 229910000318 alkali metal phosphate Inorganic materials 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 238000013019 agitation Methods 0.000 abstract 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
- 229910052977 alkali metal sulfide Inorganic materials 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 239000012527 feed solution Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Luminescent Compositions (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Fertilizers (AREA)
Abstract
Procedimiento para la preparación de soluciones de fosfato de metales alcalinos exentas de zinc, a partir de soluciones de ácido fosfórico impurificadas con zinc especialmente a partir de ácido fosfórico de procedimiento en húmedo o a partir de soluciones de fosfatos de metales alcalinos, que contienen al menos parcialmente precipitadas las restantes impurezas de ácidos fosfóricos brutos de procedimiento en húmedo, caracterizado porque a) en el producto de partida se ajusta un valor de pH de 8 a 14, por adición de un hidróxido o carbonato de metal alcalino; b) la solución entonces presente se hace reaccionar con H2S o con una solución de sulfuro de metal alcalino, bajo presión así como con intenso mezclado a fondo; y c) conservando la presión se separe a continuación la totalidad de las sustancias sólidas respecto de la solución purificada de fosfato de metal alcalino.
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 |
|---|---|
| ES485949A1 true ES485949A1 (es) | 1980-05-16 |
Family
ID=6058233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES485949A Expired ES485949A1 (es) | 1978-12-23 | 1979-11-14 | Procedimiento para la preparacion de solucionesde fosfato demetales alcalinos exentas de zinc |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4299803A (es) |
| EP (1) | EP0014755B1 (es) |
| JP (1) | JPS608968B2 (es) |
| AT (1) | ATE1350T1 (es) |
| DE (2) | DE2855922A1 (es) |
| ES (1) | ES485949A1 (es) |
| IL (1) | IL59022A (es) |
| MA (1) | MA18682A1 (es) |
| ZA (1) | ZA796941B (es) |
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 |
|---|---|---|---|---|
| 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 |
| US3421846A (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 AT AT79105035T patent/ATE1350T1/de not_active IP Right Cessation
- 1979-12-10 DE DE7979105035T patent/DE2963380D1/de not_active Expired
- 1979-12-10 EP EP79105035A patent/EP0014755B1/de not_active Expired
- 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 ZA ZA00796941A patent/ZA796941B/xx unknown
- 1979-12-23 IL IL59022A patent/IL59022A/xx unknown
- 1979-12-24 JP JP54166981A patent/JPS608968B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL59022A (en) | 1982-12-31 |
| DE2963380D1 (en) | 1982-09-09 |
| EP0014755A1 (de) | 1980-09-03 |
| ZA796941B (en) | 1980-12-31 |
| JPS5585410A (en) | 1980-06-27 |
| IL59022A0 (en) | 1980-03-31 |
| MA18682A1 (fr) | 1980-07-01 |
| ATE1350T1 (de) | 1982-08-15 |
| DE2855922A1 (de) | 1980-07-10 |
| US4299803A (en) | 1981-11-10 |
| EP0014755B1 (de) | 1982-07-21 |
| JPS608968B2 (ja) | 1985-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19970203 |