BR8000385A - Processo de purificacao de um acido fosforico impuro - Google Patents
Processo de purificacao de um acido fosforico impuroInfo
- Publication number
- BR8000385A BR8000385A BR8000385A BR8000385A BR8000385A BR 8000385 A BR8000385 A BR 8000385A BR 8000385 A BR8000385 A BR 8000385A BR 8000385 A BR8000385 A BR 8000385A BR 8000385 A BR8000385 A BR 8000385A
- Authority
- BR
- Brazil
- Prior art keywords
- phosphoric acid
- purification process
- impure phosphoric
- impure
- purification
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 238000000746 purification Methods 0.000 title 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
-
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7901751A FR2447348A1 (fr) | 1979-01-24 | 1979-01-24 | Procede de purification d'un acide phosphorique impur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8000385A true BR8000385A (pt) | 1980-10-07 |
Family
ID=9221133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8000385A BR8000385A (pt) | 1979-01-24 | 1980-01-22 | Processo de purificacao de um acido fosforico impuro |
Country Status (13)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2945874A1 (de) * | 1979-11-14 | 1981-05-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur reinigung von nassverfahrenphosphorsaeure |
| US4511541A (en) * | 1982-12-02 | 1985-04-16 | J. R. Simplot Company | Process for the recovery of cadmium and other metals from solution |
| US4643883A (en) * | 1986-01-22 | 1987-02-17 | International Minerals & Chemical Corp. | Method of decolorizing wet process phosphoric acid |
| DE3705069A1 (de) * | 1987-02-18 | 1988-09-01 | Hoechst Ag | Verfahren zur herstellung titanfreier phosphorsaeure |
| US4780295A (en) * | 1987-07-06 | 1988-10-25 | Fmc Corporation | Process for purifying phosphoric acid |
| FR2677345B1 (fr) * | 1991-06-04 | 1993-12-24 | Commissariat A Energie Atomique | Procede de purification et de recuperation d'acide orthophosphorique par extraction liquide-liquide. |
| AU2009347055B2 (en) * | 2009-05-27 | 2014-12-11 | Easymining Sweden Ab | Production of ammonium phosphates |
| CN104591110B (zh) * | 2015-01-13 | 2016-09-14 | 四川省汉源化工总厂 | 一种浓缩湿法磷酸制备低含硫磷酸二氢钙的方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR805221A (fr) * | 1935-04-30 | 1936-11-14 | Pulverfabrik Skodawerke Wetzle | Procédé de purification de l'acide phosphorique brut |
| DE884358C (de) * | 1951-09-20 | 1953-07-27 | Gerardo Collardin | Verfahren zur Reinigung von technischer Phosphorsaeure |
| FR1292338A (fr) * | 1961-03-22 | 1962-05-04 | Ets Kuhlmann | Procédé d'obtention d'acide phosphorique pur par voie humide |
| FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
| DE2029564C3 (de) * | 1970-06-16 | 1978-06-22 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure |
| GB1345710A (en) * | 1971-06-28 | 1974-02-06 | Albright & Wilson | Manufacture of phosphoric acid and alkali metal phosphates |
| DE2229602B1 (de) * | 1972-06-19 | 1973-09-27 | Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim | Verfahren zur Reinigung von technischer Phosphorsaure |
| US4018869A (en) * | 1973-06-06 | 1977-04-19 | Chemische Fabrik Budenheim Rudolf A. Oetker | Process for the extractive purification of phosphoric acid containing cationic impurities |
| DE2334019C3 (de) * | 1973-07-04 | 1982-11-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure |
| US4108963A (en) * | 1974-06-25 | 1978-08-22 | Produits Chimiques Ugine Kuhlmann | Process for purifying phosphoric acid |
| DE2433307C3 (de) * | 1974-07-11 | 1984-03-22 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur Abtrennung eines Phosphorsäure-organisches Lösungsmittel-Wasser-Gemisches |
| DE2432472C3 (de) * | 1974-07-06 | 1979-02-01 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von wäßriger Phosphorsäure |
| GB1493999A (en) * | 1974-07-06 | 1977-12-07 | Hoechst Ag | Purification of phosphoric acid |
| DE2517657A1 (de) * | 1975-04-22 | 1976-11-11 | Masaki Takahara | Verfahren zur herstellung von phosphorsaeure von hoher reinheit |
| GB1560984A (en) * | 1975-08-05 | 1980-02-13 | Albright & Wilson | Process for preparing phosphate salts |
| US3993736A (en) * | 1975-08-14 | 1976-11-23 | Stauffer Chemical Company | Food grade phosphoric acid from wet process acid |
| US3993733A (en) * | 1975-08-14 | 1976-11-23 | Stauffer Chemical Company | Food grade alkali metal phosphates from wet process H3 PO4 |
| DE2538410A1 (de) * | 1975-08-29 | 1977-03-10 | Giulini Gmbh Geb | Verfahren zur reinigung von nassverfahrensphosphorsaeure, insbesondere fluorentfernung |
| DE2538720C2 (de) * | 1975-08-30 | 1982-11-18 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
| DE2538721C2 (de) * | 1975-08-30 | 1982-09-16 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinen Alkaliphosphaten durch Extraktion von Rohphosphorsäure |
| JPS5297389A (en) * | 1976-02-13 | 1977-08-16 | Toyo Soda Mfg Co Ltd | Removal of sulfate ion in extracted phosphoric acid |
| US4070443A (en) * | 1976-02-13 | 1978-01-24 | Toyo Soda Manufacturing Co., Ltd. | Process for removing sulfate ions from extracted phosphoric acid with a barium compound |
-
1979
- 1979-01-24 FR FR7901751A patent/FR2447348A1/fr active Granted
- 1979-02-06 US US06/009,918 patent/US4225568A/en not_active Expired - Lifetime
-
1980
- 1980-01-22 BR BR8000385A patent/BR8000385A/pt not_active IP Right Cessation
- 1980-01-22 YU YU158/80A patent/YU42958B/xx unknown
- 1980-01-22 JP JP625880A patent/JPS55100208A/ja active Granted
- 1980-01-22 IT IT47672/80A patent/IT1167603B/it active
- 1980-01-23 ZA ZA00800409A patent/ZA80409B/xx unknown
- 1980-01-23 NL NL8000440A patent/NL8000440A/nl not_active Application Discontinuation
- 1980-01-23 BE BE0/199079A patent/BE881306A/fr not_active IP Right Cessation
- 1980-01-23 ES ES487927A patent/ES8102056A1/es not_active Expired
- 1980-01-23 DE DE19803002339 patent/DE3002339A1/de active Granted
- 1980-01-23 CA CA000344265A patent/CA1134594A/fr not_active Expired
- 1980-01-23 GB GB8002250A patent/GB2040274B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| YU15880A (en) | 1983-09-30 |
| FR2447348B1 (US08197722-20120612-C00093.png) | 1982-08-06 |
| BE881306A (fr) | 1980-07-23 |
| ZA80409B (en) | 1981-02-25 |
| DE3002339C2 (US08197722-20120612-C00093.png) | 1988-01-14 |
| DE3002339A1 (de) | 1980-07-31 |
| CA1134594A (fr) | 1982-11-02 |
| JPS55100208A (en) | 1980-07-31 |
| GB2040274A (en) | 1980-08-28 |
| GB2040274B (en) | 1982-11-24 |
| NL8000440A (nl) | 1980-07-28 |
| IT8047672A0 (it) | 1980-01-22 |
| US4225568A (en) | 1980-09-30 |
| ES487927A0 (es) | 1980-12-16 |
| IT1167603B (it) | 1987-05-13 |
| YU42958B (en) | 1989-02-28 |
| ES8102056A1 (es) | 1980-12-16 |
| FR2447348A1 (fr) | 1980-08-22 |
| JPH0380721B2 (US08197722-20120612-C00093.png) | 1991-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX147945A (es) | Procedimiento mejorado para la purificacion de acido fosforico | |
| BR7700036A (pt) | Processo para purificacao de acido fosforico | |
| BR8007518A (pt) | Processo de purificacao de um acido fosforico de via umida | |
| BR8000385A (pt) | Processo de purificacao de um acido fosforico impuro | |
| BR8406959A (pt) | Processo para producao de acido fosforico | |
| BR8002779A (pt) | Processo de preparacao de acido fosforico por via umida | |
| BR7903437A (pt) | Processo para concentracao de acido fosforico diluido | |
| OA06490A (fr) | Procédé de purification de l'acide phosphorique. | |
| IT8047673A0 (it) | Procedimento di trattamento di un acido fosforico impuro | |
| IT1092168B (it) | Procedimento ed impianto per depurare acido fosforico di processo ad umido | |
| BR7904847A (pt) | Processo para a producao de triesteres de acido fosforico | |
| BR7807491A (pt) | Processo de fabricacao de acido fosforico | |
| BR8105177A (pt) | Processo para preparacao de imidas de acido sucinico | |
| BR7800006A (pt) | Processo para a concentracao de acido fosforico diluido | |
| IT1090568B (it) | Procedimento ed impianto per depurare acido fosforico di processo ad umido | |
| IT1188938B (it) | Procedimento per la puricazione di acido ursodesossicolico | |
| BR8008447A (pt) | Processo de producao de acido fosforico a umido | |
| BR7803244A (pt) | Processo de purificacao e de desfluoracao de acido fosforico impuro | |
| BR8200375A (pt) | Processo de preparacao de um diester do acido oxalico | |
| IT1125600B (it) | Processo per la produzione di acido nitrico | |
| BR7606813A (pt) | Processo para a depuracao do acido fosforico | |
| IT1132055B (it) | Processo per la preparazione di acido ursodesossicolico ad alta purezza | |
| BR7806482A (pt) | Processo para o tratamento de acido fosforico | |
| BR8204720A (pt) | Processo para a remocao de impurezas organicas de acido fosforico | |
| BR7906203A (pt) | Processo de obtencao de um acido fosforico purificado |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK | Patent expired |
Effective date: 19950122 |