ES464587A1 - Procedimiento de preparacion de acidos fosforicos por via humeda. - Google Patents
Procedimiento de preparacion de acidos fosforicos por via humeda.Info
- Publication number
- ES464587A1 ES464587A1 ES464587A ES464587A ES464587A1 ES 464587 A1 ES464587 A1 ES 464587A1 ES 464587 A ES464587 A ES 464587A ES 464587 A ES464587 A ES 464587A ES 464587 A1 ES464587 A1 ES 464587A1
- Authority
- ES
- Spain
- Prior art keywords
- wet process
- manufacture
- phosphoric acid
- reaction
- phosphate
- 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
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Lubricants (AREA)
Abstract
Procedimiento de preparación de ácidos fosfóricos por vía húmeda por reacción al menos de un fosfato natural sobre al menos un ácido fuertetal como el ácido sulfúrico preferentementey que conduce a una mejora de la productividadcaracterizado porque la indicada reacción se realiza en presencia de 50 a 500 g/t de fosfato consumido de por lo menos un agente tensioactivo no iónico obtenido por condensación de 2 a 30 moléculas de óxido de etileno por molécula de la menos un alcohol g raso ramificado.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7636114A FR2372118A1 (fr) | 1976-11-30 | 1976-11-30 | Nouveaux procedes de fabrication d'acides phosphoriques par voie humide |
Publications (1)
Publication Number | Publication Date |
---|---|
ES464587A1 true ES464587A1 (es) | 1978-09-01 |
Family
ID=9180490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES464587A Expired ES464587A1 (es) | 1976-11-30 | 1977-11-29 | Procedimiento de preparacion de acidos fosforicos por via humeda. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4313915A (es) |
BR (1) | BR7707946A (es) |
ES (1) | ES464587A1 (es) |
FR (1) | FR2372118A1 (es) |
IT (1) | IT1091355B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1045423C (zh) * | 1995-10-20 | 1999-10-06 | 四川联合大学 | 饲料磷酸氢钙的生产方法 |
US20100170855A1 (en) * | 2009-01-06 | 2010-07-08 | Hay Daniel N T | Modification of precipitate morphology and settling characteristics in acid conditions |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4140748A (en) * | 1976-07-07 | 1979-02-20 | Occidental Petroleum Corporation | Hemihydrate type phosphoric acid process with crystal modifier |
GB1011163A (en) * | 1961-04-26 | 1965-11-24 | Dorr Oliver Inc | Manufacture of phosphoric acid |
BE759153A (fr) * | 1969-11-21 | 1971-04-30 | Albright & Wilson | Perfectionnement au procede pour l'obtention d'acide phosphorique par voie humide |
GB1356586A (en) * | 1970-11-12 | 1974-06-12 | Fisons Ltd | Inhibition of calcium sulphate scale formation |
GB1406884A (en) * | 1972-05-05 | 1975-09-17 | Fisons Ltd | Process for inhibiting scale formation |
-
1976
- 1976-11-30 FR FR7636114A patent/FR2372118A1/fr active Granted
-
1977
- 1977-11-25 IT IT69667/77A patent/IT1091355B/it active
- 1977-11-29 ES ES464587A patent/ES464587A1/es not_active Expired
- 1977-11-29 BR BR7707946A patent/BR7707946A/pt unknown
-
1979
- 1979-05-17 US US06/040,149 patent/US4313915A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1091355B (it) | 1985-07-06 |
US4313915A (en) | 1982-02-02 |
FR2372118A1 (fr) | 1978-06-23 |
BR7707946A (pt) | 1979-06-12 |
FR2372118B1 (es) | 1979-03-23 |
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