GB1472970A - Purfified phosphoric acid and its production - Google Patents
Purfified phosphoric acid and its productionInfo
- Publication number
- GB1472970A GB1472970A GB433675A GB433675A GB1472970A GB 1472970 A GB1472970 A GB 1472970A GB 433675 A GB433675 A GB 433675A GB 433675 A GB433675 A GB 433675A GB 1472970 A GB1472970 A GB 1472970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phosphoric acid
- aqueous
- water
- organic
- organic solvent
- 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 22
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 10
- 239000003960 organic solvent Substances 0.000 abstract 4
- 239000000243 solution Substances 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 229910001868 water Inorganic materials 0.000 abstract 4
- 239000007864 aqueous solution Substances 0.000 abstract 3
- 238000005406 washing Methods 0.000 abstract 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 2
- 239000008346 aqueous phase Substances 0.000 abstract 2
- 229910001424 calcium ion Inorganic materials 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 238000000605 extraction Methods 0.000 abstract 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 abstract 2
- 239000012074 organic phase Substances 0.000 abstract 2
- 239000010452 phosphate Substances 0.000 abstract 2
- -1 sulphate ions Chemical class 0.000 abstract 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 239000001506 calcium phosphate Substances 0.000 abstract 1
- 229910000389 calcium phosphate Inorganic materials 0.000 abstract 1
- 235000011010 calcium phosphates Nutrition 0.000 abstract 1
- 229940035429 isobutyl alcohol Drugs 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 239000012071 phase Substances 0.000 abstract 1
- 229940085991 phosphate ion Drugs 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- 229910000162 sodium phosphate Inorganic materials 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 abstract 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 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
- C01B25/46—Preparation involving solvent-solvent extraction
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403399A FR2259787B1 (enrdf_load_stackoverflow) | 1974-02-01 | 1974-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1472970A true GB1472970A (en) | 1977-05-11 |
Family
ID=9134358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB433675A Expired GB1472970A (en) | 1974-02-01 | 1975-01-31 | Purfified phosphoric acid and its production |
Country Status (11)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4197280A (en) * | 1978-10-02 | 1980-04-08 | Stauffer Chemical Company | Wet process phosphoric acid purification |
| GB2167737A (en) * | 1983-08-03 | 1986-06-04 | Negev Phosphates Ltd | Purified phosphoric acid |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2657189B2 (de) * | 1976-12-17 | 1980-02-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von NaBverfahrensphosphorsäure |
| DE3347421A1 (de) * | 1983-12-29 | 1985-07-11 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von fluorarmen alkaliphosphatloesungen |
-
1974
- 1974-02-01 FR FR7403399A patent/FR2259787B1/fr not_active Expired
-
1975
- 1975-01-30 DE DE19752503843 patent/DE2503843B2/de not_active Ceased
- 1975-01-31 NL NL7501173A patent/NL7501173A/xx not_active Application Discontinuation
- 1975-01-31 BE BE152973A patent/BE825085A/xx unknown
- 1975-01-31 IE IE19775A patent/IE40576B1/xx unknown
- 1975-01-31 DD DD18394175A patent/DD116446A5/xx unknown
- 1975-01-31 GB GB433675A patent/GB1472970A/en not_active Expired
- 1975-01-31 ES ES434309A patent/ES434309A1/es not_active Expired
- 1975-01-31 JP JP1326775A patent/JPS50123595A/ja active Pending
- 1975-01-31 IT IT4794875A patent/IT1029423B/it active
- 1975-01-31 CA CA219,158A patent/CA1043535A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4197280A (en) * | 1978-10-02 | 1980-04-08 | Stauffer Chemical Company | Wet process phosphoric acid purification |
| GB2167737A (en) * | 1983-08-03 | 1986-06-04 | Negev Phosphates Ltd | Purified phosphoric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7501173A (nl) | 1975-08-05 |
| BE825085A (fr) | 1975-07-31 |
| IE40576B1 (en) | 1979-07-04 |
| CA1043535A (en) | 1978-12-05 |
| IT1029423B (it) | 1979-03-10 |
| FR2259787A1 (enrdf_load_stackoverflow) | 1975-08-29 |
| DE2503843A1 (de) | 1975-08-07 |
| IE40576L (en) | 1975-08-01 |
| DD116446A5 (enrdf_load_stackoverflow) | 1975-11-20 |
| AU7777475A (en) | 1976-08-05 |
| DE2503843B2 (de) | 1979-08-02 |
| FR2259787B1 (enrdf_load_stackoverflow) | 1977-09-16 |
| JPS50123595A (enrdf_load_stackoverflow) | 1975-09-29 |
| ES434309A1 (es) | 1976-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |