ES2000307A6 - Procedimiento para la obtencion de aluminofosfatos cristalinos - Google Patents
Procedimiento para la obtencion de aluminofosfatos cristalinosInfo
- Publication number
- ES2000307A6 ES2000307A6 ES8600106A ES8600106A ES2000307A6 ES 2000307 A6 ES2000307 A6 ES 2000307A6 ES 8600106 A ES8600106 A ES 8600106A ES 8600106 A ES8600106 A ES 8600106A ES 2000307 A6 ES2000307 A6 ES 2000307A6
- Authority
- ES
- Spain
- Prior art keywords
- value
- alkali metal
- crystalline alkali
- potassium
- hydroxide
- 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
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
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Glass Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE ALUMINOFOSFATOS CRISTALINOS, DE LA FORMULA: NAAKBHCALD(PO4)E.XH2 EN LA QUE: A) PRESENTA VALORES DE 3,5 A 1,5, PREFERENTEMENTE DE 3,8 A 1,1; B) PRESENTA VALORES DE 0 A 0,5; C) PRESENTA VALORES DE 12 A 16; D) PRESENTA VALORES DE 2,7 A 3,3; E) PRESENTA VALORES DE 7 A 9 Y X PRESENTA VALORES DE 3 A 6 Y A+B+C+3D = 3E; MEDIANTE MEZCLADO DE ACIDO FOSFORICO, HIDROXIDO SODICO O BIEN CARBONATO SODICO, HIDROXIDO POTASICO O BIEN CARBONATO POTASICO E HIDROXIDO DE ALUMINIO O BIEN OXIDO DE ALUMINIO HIDRATADO EN LAS CANTIDADES DEFINIDAS POR LA FORMULA PRECEDENTE EN SOLUCION ACUOSA CON UN CONTENIDO EN AGUA LIBRE DEL 5 AL 44%, PREFERENTEMENTE DEL 10 AL 30%, CARACTERIZADO PORQUE SE CALIENTA LA MEZCLA DE REACCION A TEMPERATURAS COMPRENDIDAS ENTRE 80 Y 200C, EN CASO DADO BAJO PRESION ELEVADA, HASTA QUE SE PRESENTA UNA CRISTALIZACION PARCIAL Y A CONTINUACION EL AGUA LIBRE SE ELIMINA COMPLETAMENTE, EN CASO DADO BAJO PRESION REDUCIDA, A UNA TEMPERATURA DE 60 A 130 C Y SE COMPLETALA CRISTALIZACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853523686 DE3523686A1 (de) | 1985-07-03 | 1985-07-03 | Verfahren zur herstellung von kristallinem alkalialuminiumphosphat |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2000307A6 true ES2000307A6 (es) | 1988-02-16 |
Family
ID=6274781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8600106A Expired ES2000307A6 (es) | 1985-07-03 | 1986-07-03 | Procedimiento para la obtencion de aluminofosfatos cristalinos |
Country Status (5)
Country | Link |
---|---|
US (1) | US4704211A (es) |
EP (1) | EP0207245A3 (es) |
JP (1) | JPS627616A (es) |
DE (1) | DE3523686A1 (es) |
ES (1) | ES2000307A6 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2622186B1 (fr) * | 1987-10-21 | 1990-11-30 | Rhone Poulenc Chimie | Procede de preparation de phosphates acides d'aluminium et de sodium cristallises |
FR2650264B1 (fr) * | 1989-07-28 | 1991-11-08 | Rhone Poulenc Chimie | Procede de preparation de phosphates alumino- et/ou ferro-sodiques et application de ces phosphates dans l'industrie alimentaire |
WO2008072375A1 (ja) * | 2006-12-13 | 2008-06-19 | Taki Chemical Co., Ltd. | 感温性リン酸アルミニウム溶液及びその製造方法並びにその用途 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2550490A (en) * | 1945-10-29 | 1951-04-24 | Victor Chemical Works | Complex alkali metal-aluminum and alkali metal-iron acid phosphates |
US2550491A (en) * | 1947-12-23 | 1951-04-24 | Victor Chemical Works | Baking composition |
US2957750A (en) * | 1957-05-16 | 1960-10-25 | Victor Chemical Works | Dehydrated sodium aluminum phosphate composition and method of producing same |
US2995421A (en) * | 1959-12-17 | 1961-08-08 | Stauffer Chemical Co | Amorphous sodium aluminum phosphate |
US3501314A (en) * | 1962-07-23 | 1970-03-17 | Monsanto Co | Sodium aluminum phosphates and leavening compositions containing same |
US3311448A (en) * | 1962-11-01 | 1967-03-28 | Stauffer Chemical Co | Continuous crystallization of alkali metal aluminum acid orthophosphates |
US3109738A (en) * | 1963-03-05 | 1963-11-05 | Stauffer Chemical Co | Self-rising flour compositions comprising mixtures of sodium aluminum phosphate and anhydrous monocalcium phosphate |
US3311872A (en) * | 1963-08-29 | 1967-03-28 | Jr Daniel E Andrews | Transducer face-velocity control system |
US3205073A (en) * | 1964-04-27 | 1965-09-07 | Stauffer Chemical Co | Non-hydroscopic potassium modified sodium aluminum acid phosphate and method of producing same |
US4054678A (en) * | 1976-03-30 | 1977-10-18 | Stauffer Chemical Company | Sodium aluminum phosphate |
GB1586583A (en) * | 1976-07-09 | 1981-03-18 | Stauffer Chemical Co | Alkali metal aluminium phosphate |
AU514122B2 (en) * | 1976-11-12 | 1981-01-29 | Stauffer Chemical Company | Leavening acid compositions |
US4289739A (en) * | 1979-12-26 | 1981-09-15 | Fmc Corporation | Method of producing crystalline sodium aluminum phosphate |
US4375456A (en) * | 1982-03-01 | 1983-03-01 | Fmc Corporation | Method of producing sodium aluminum phosphate |
-
1985
- 1985-07-03 DE DE19853523686 patent/DE3523686A1/de active Granted
-
1986
- 1986-04-22 EP EP86105573A patent/EP0207245A3/de not_active Withdrawn
- 1986-06-30 US US06/880,061 patent/US4704211A/en not_active Expired - Fee Related
- 1986-07-01 JP JP61152856A patent/JPS627616A/ja active Pending
- 1986-07-03 ES ES8600106A patent/ES2000307A6/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS627616A (ja) | 1987-01-14 |
EP0207245A3 (de) | 1987-02-04 |
DE3523686A1 (de) | 1987-01-15 |
US4704211A (en) | 1987-11-03 |
EP0207245A2 (de) | 1987-01-07 |
DE3523686C2 (es) | 1988-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SA6 | Expiration date (snapshot 920101) |
Free format text: 2006-07-03 |
|
FD1A | Patent lapsed |
Effective date: 20001102 |