ES470068A1 - Un procedimiento de purificacion y de desfluoracion de un acido fosforico impuro - Google Patents
Un procedimiento de purificacion y de desfluoracion de un acido fosforico impuroInfo
- Publication number
- ES470068A1 ES470068A1 ES470068A ES470068A ES470068A1 ES 470068 A1 ES470068 A1 ES 470068A1 ES 470068 A ES470068 A ES 470068A ES 470068 A ES470068 A ES 470068A ES 470068 A1 ES470068 A1 ES 470068A1
- Authority
- ES
- Spain
- Prior art keywords
- phosphoric acid
- water
- aqueous solution
- organic phase
- impure
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 3
- 239000007864 aqueous solution Substances 0.000 abstract 3
- 239000012074 organic phase Substances 0.000 abstract 2
- 238000006115 defluorination reaction Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 239000002367 phosphate rock Substances 0.000 abstract 1
- 150000003016 phosphoric acids Chemical class 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 238000005406 washing Methods 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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Removal Of Specific Substances (AREA)
Abstract
Un procedimiento de purificación y de desfluoración de un ácido fosfórico impuro obtenido por ataque de una roca fosfatada por medio de ácido sulfúrico, caracterizado porque el mismo comprende la extracción de contracorriente de la solución acuosa impura por medio de un disolvente poco miscible con el agua en presencia de ácido sulfúrico concentrado, el lavado de la fase orgánica de ácido fosfórico así obtenida por medio de agua o de ácido fosfórico purificado, la reextracción en contracorriente del ácido fosfórico contenido en la fase orgánica por medio de agua, la separación de la solución acuosa diluida de ácido fosfórico exento de cationes y parcialmente desfluorado así obtenida, y el tratamiento de dicha solución por medio de vapor de agua y de gas caliente, con lo que como producto final, se recoge una solución acuosa concentrada y desfluorada cuya relación, ponderal F/P{sub,2}O{sub,5} es inferior a 10 ppm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7715623A FR2391954A2 (fr) | 1977-05-23 | 1977-05-23 | Procede de purification d'un acide phosphorique de voie humide |
| FR7800771A FR2421845A2 (fr) | 1978-01-12 | 1978-01-12 | Procede de purification d'un acide phosphorique de voie humide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES470068A1 true ES470068A1 (es) | 1979-09-16 |
Family
ID=26220035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES470068A Expired ES470068A1 (es) | 1977-05-23 | 1978-05-22 | Un procedimiento de purificacion y de desfluoracion de un acido fosforico impuro |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5413497A (es) |
| BR (1) | BR7803244A (es) |
| CA (1) | CA1109635A (es) |
| DE (1) | DE2822303B2 (es) |
| ES (1) | ES470068A1 (es) |
| GB (1) | GB1601428A (es) |
| IT (1) | IT1105409B (es) |
| NL (1) | NL7805497A (es) |
| PH (1) | PH13509A (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3325121A1 (de) * | 1983-07-12 | 1985-01-24 | Hoechst Ag, 6230 Frankfurt | Verfahren und vorrichtung zur entfernung von fluor und organischen verbindungen aus vorgefertigter nassverfahrensphosphorsaeure |
| JPS60121733A (ja) * | 1984-07-31 | 1985-06-29 | Shinkawa Ltd | インナ−リ−ドボンダ− |
| CN111874884B (zh) * | 2020-07-23 | 2023-08-04 | 湖北祥云(集团)化工股份有限公司 | 一种湿法磷酸的脱氟方法及系统 |
| CN116374971A (zh) * | 2023-03-07 | 2023-07-04 | 湖北鄂中生态农业科技有限公司 | 磷酸的提纯方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5037158A (es) * | 1973-08-10 | 1975-04-07 |
-
1978
- 1978-05-19 CA CA303,785A patent/CA1109635A/en not_active Expired
- 1978-05-22 GB GB21075/78A patent/GB1601428A/en not_active Expired
- 1978-05-22 IT IT49488/78A patent/IT1105409B/it active
- 1978-05-22 ES ES470068A patent/ES470068A1/es not_active Expired
- 1978-05-22 JP JP6088878A patent/JPS5413497A/ja active Pending
- 1978-05-22 NL NL7805497A patent/NL7805497A/xx not_active Application Discontinuation
- 1978-05-22 DE DE2822303A patent/DE2822303B2/de not_active Ceased
- 1978-05-22 BR BR7803244A patent/BR7803244A/pt unknown
- 1978-05-23 PH PH21180A patent/PH13509A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5413497A (en) | 1979-01-31 |
| CA1109635A (en) | 1981-09-29 |
| PH13509A (en) | 1980-06-03 |
| DE2822303A1 (de) | 1978-11-30 |
| IT7849488A0 (it) | 1978-05-22 |
| DE2822303B2 (de) | 1980-07-03 |
| GB1601428A (en) | 1981-10-28 |
| BR7803244A (pt) | 1978-12-19 |
| IT1105409B (it) | 1985-11-04 |
| NL7805497A (nl) | 1978-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE226181T1 (de) | Verfahren zur reinigung von nassverfahrensphosphorsäure | |
| ES470068A1 (es) | Un procedimiento de purificacion y de desfluoracion de un acido fosforico impuro | |
| DK149136C (da) | Fremgangsmaade til selektiv udvinding af indium fra indiumholdige vandige sulfatoploesninger | |
| SU888812A3 (ru) | Способ очистки экстракционной фосфорной кислоты | |
| DE3376000D1 (en) | Process for the purification of wet-process phosphoric acid | |
| GB1455659A (en) | Method for purifying crude phosphoric acid | |
| IL58413A (en) | Process for the recovery of uranium from crude phosphoric acids and a uranium compound recovered thereby | |
| GB1436113A (en) | Purification of phosphoric acid | |
| ES336087A1 (es) | Procedimiento de purificacion de acido fosforico. | |
| GB1456682A (en) | Phosphoric acid purification | |
| GB1209272A (en) | Cleaning of phosphoric acid | |
| ES8105678A1 (es) | Procedimiento para la purificacion de acido fosforico de procedimiento en humedo | |
| FR2677345B1 (fr) | Procede de purification et de recuperation d'acide orthophosphorique par extraction liquide-liquide. | |
| JPS5437096A (en) | Method of procucing pure phosphoric acid | |
| GB1497970A (en) | Process for the preparation of propylene oxide | |
| ES487031A1 (es) | Procedimiento de extraccion de uranio de acido fosforico | |
| ES468736A1 (es) | Un metodo para la produccion de derivados fosfaticos | |
| JPS5317596A (en) | Purifying method for wet-process phosphoric acid | |
| SU688426A1 (ru) | Способ очистки отработанной серной кислоты от органических примесей | |
| GB1199042A (en) | Purification of Phosphoric Acid | |
| GB1365010A (en) | Purification of wet process h3po4 by solvent extraction | |
| GB1436114A (en) | Purification of phosphoric acid crystallization process | |
| SU1822107A1 (ru) | Способ экстракционного разделения редкоземельных элементов | |
| ES430689A1 (es) | Un procedimiento para la obtencion de acido fosforico de calidad detergente. | |
| ES8101021A1 (es) | Procedimiento para la purificacion de una solucion acuosa deacido fosforico de procedimiento en humedo |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19990201 |