GB1103224A - Improvements in the manufacture of phosphoric acid - Google Patents
Improvements in the manufacture of phosphoric acidInfo
- Publication number
- GB1103224A GB1103224A GB3001364A GB3001364A GB1103224A GB 1103224 A GB1103224 A GB 1103224A GB 3001364 A GB3001364 A GB 3001364A GB 3001364 A GB3001364 A GB 3001364A GB 1103224 A GB1103224 A GB 1103224A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- phosphoric acid
- carbon
- organic impurities
- manufacture
- 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 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 3
- 229910052799 carbon Inorganic materials 0.000 abstract 3
- 238000001914 filtration Methods 0.000 abstract 2
- 239000010440 gypsum Substances 0.000 abstract 2
- 229910052602 gypsum Inorganic materials 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- 238000010306 acid treatment Methods 0.000 abstract 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 abstract 1
- -1 at least 5% Chemical compound 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 239000008394 flocculating agent Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002367 phosphate rock Substances 0.000 abstract 1
- 150000003016 phosphoric acids Chemical class 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 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
- C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3001364A GB1103224A (en) | 1964-07-28 | 1964-07-28 | Improvements in the manufacture of phosphoric acid |
| FR1564461D FR1564461A (enrdf_load_stackoverflow) | 1964-07-28 | 1965-07-23 | |
| BE667387D BE667387A (enrdf_load_stackoverflow) | 1964-07-28 | 1965-07-26 | |
| NL6509687A NL6509687A (enrdf_load_stackoverflow) | 1964-07-28 | 1965-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3001364A GB1103224A (en) | 1964-07-28 | 1964-07-28 | Improvements in the manufacture of phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1103224A true GB1103224A (en) | 1968-02-14 |
Family
ID=10300860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3001364A Expired GB1103224A (en) | 1964-07-28 | 1964-07-28 | Improvements in the manufacture of phosphoric acid |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE667387A (enrdf_load_stackoverflow) |
| FR (1) | FR1564461A (enrdf_load_stackoverflow) |
| GB (1) | GB1103224A (enrdf_load_stackoverflow) |
| NL (1) | NL6509687A (enrdf_load_stackoverflow) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP0004807A3 (en) * | 1978-03-30 | 1979-10-31 | Calgon Corporation | Activated carbon and process for regenerating it after use in the wet process production of phosphoric acid or alkali metal phosphates |
| DE2921239A1 (de) * | 1978-06-09 | 1979-12-13 | Gardinier Inc | Verfahren zur reinigung von einer loesungsmittelextraktion unterworfener phosphorsaeure |
| EP0016531A3 (en) * | 1979-03-19 | 1980-12-10 | INTERNATIONAL MINERALS & CHEMICAL CORPORATION | Purification of phosphoric acid |
| EP0015809A3 (en) * | 1979-02-21 | 1981-04-29 | Calgon Corporation | Improved process and system for purifying brown phosphoric acid |
| US4297334A (en) | 1979-02-21 | 1981-10-27 | Calgon Corporation | Process for removing color bodies from brown phosphoric acid |
| US4299805A (en) * | 1978-03-30 | 1981-11-10 | Calgon Corporation | Regeneration of carbon employed in the wet process production of phosphoric acid |
| US4341638A (en) * | 1979-10-17 | 1982-07-27 | International Minerals & Chemical Corp. | Purification of phosphoric acid |
| US4369168A (en) * | 1979-08-21 | 1983-01-18 | Calgon Corporation | Regeneration of carbon employed in the wet process production of alkali metal phosphates |
| US4407725A (en) | 1980-08-21 | 1983-10-04 | International Minerals & Chemical Corp. | Regeneration of activated carbon |
| US4495165A (en) * | 1983-10-03 | 1985-01-22 | Gurza Guillermo R | Method of purification of phosphoric acid |
| EP0330917A3 (de) * | 1988-03-03 | 1991-02-20 | Hoechst Aktiengesellschaft | Kontinuierliches Verfahren zur vollständigen Entfernung organischer Verunreinigungen und vollständiger Entfärbung vorgereinigter Nassphosphorsäure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447347A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de traitement d'un acide phosphorique impur |
-
1964
- 1964-07-28 GB GB3001364A patent/GB1103224A/en not_active Expired
-
1965
- 1965-07-23 FR FR1564461D patent/FR1564461A/fr not_active Expired
- 1965-07-26 BE BE667387D patent/BE667387A/xx unknown
- 1965-07-27 NL NL6509687A patent/NL6509687A/xx unknown
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4299805A (en) * | 1978-03-30 | 1981-11-10 | Calgon Corporation | Regeneration of carbon employed in the wet process production of phosphoric acid |
| EP0004807A3 (en) * | 1978-03-30 | 1979-10-31 | Calgon Corporation | Activated carbon and process for regenerating it after use in the wet process production of phosphoric acid or alkali metal phosphates |
| DE2921239A1 (de) * | 1978-06-09 | 1979-12-13 | Gardinier Inc | Verfahren zur reinigung von einer loesungsmittelextraktion unterworfener phosphorsaeure |
| US4250155A (en) * | 1978-06-09 | 1981-02-10 | Gardinier, Inc. | Method of purifying phosphoric acid after solvent extraction |
| EP0015809A3 (en) * | 1979-02-21 | 1981-04-29 | Calgon Corporation | Improved process and system for purifying brown phosphoric acid |
| US4297334A (en) | 1979-02-21 | 1981-10-27 | Calgon Corporation | Process for removing color bodies from brown phosphoric acid |
| EP0016531A3 (en) * | 1979-03-19 | 1980-12-10 | INTERNATIONAL MINERALS & CHEMICAL CORPORATION | Purification of phosphoric acid |
| US4369168A (en) * | 1979-08-21 | 1983-01-18 | Calgon Corporation | Regeneration of carbon employed in the wet process production of alkali metal phosphates |
| US4341638A (en) * | 1979-10-17 | 1982-07-27 | International Minerals & Chemical Corp. | Purification of phosphoric acid |
| US4407725A (en) | 1980-08-21 | 1983-10-04 | International Minerals & Chemical Corp. | Regeneration of activated carbon |
| US4495165A (en) * | 1983-10-03 | 1985-01-22 | Gurza Guillermo R | Method of purification of phosphoric acid |
| EP0136905A3 (en) * | 1983-10-03 | 1986-09-17 | Guillermo Rangel Gurza | Method of purification of phosphoric acid |
| EP0330917A3 (de) * | 1988-03-03 | 1991-02-20 | Hoechst Aktiengesellschaft | Kontinuierliches Verfahren zur vollständigen Entfernung organischer Verunreinigungen und vollständiger Entfärbung vorgereinigter Nassphosphorsäure |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6509687A (enrdf_load_stackoverflow) | 1966-01-31 |
| FR1564461A (enrdf_load_stackoverflow) | 1969-04-25 |
| BE667387A (enrdf_load_stackoverflow) | 1965-11-16 |
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