ZA746708B - Method of making high purity alkali metal phosphates from wet-process phosphoric acid - Google Patents
Method of making high purity alkali metal phosphates from wet-process phosphoric acidInfo
- Publication number
- ZA746708B ZA746708B ZA00746708A ZA746708A ZA746708B ZA 746708 B ZA746708 B ZA 746708B ZA 00746708 A ZA00746708 A ZA 00746708A ZA 746708 A ZA746708 A ZA 746708A ZA 746708 B ZA746708 B ZA 746708B
- Authority
- ZA
- South Africa
- Prior art keywords
- wet
- alkali metal
- phosphoric acid
- high purity
- metal phosphates
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000318 alkali metal phosphate Inorganic materials 0.000 title 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41207773A | 1973-11-02 | 1973-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA746708B true ZA746708B (en) | 1975-11-26 |
Family
ID=23631507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00746708A ZA746708B (en) | 1973-11-02 | 1974-10-22 | Method of making high purity alkali metal phosphates from wet-process phosphoric acid |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5083298A (enExample) |
| FR (1) | FR2249833B1 (enExample) |
| GB (1) | GB1491500A (enExample) |
| ZA (1) | ZA746708B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS529088A (en) * | 1975-07-11 | 1977-01-24 | Mitsubishi Chem Ind Ltd | Method for preparing polyolefin |
| 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 |
| DE19703884C2 (de) * | 1997-02-03 | 1999-04-29 | Bk Giulini Chem Gmbh & Co Ohg | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
-
1974
- 1974-10-22 ZA ZA00746708A patent/ZA746708B/xx unknown
- 1974-11-01 JP JP49127041A patent/JPS5083298A/ja active Pending
- 1974-11-04 FR FR7436631A patent/FR2249833B1/fr not_active Expired
- 1974-11-04 GB GB47635/74A patent/GB1491500A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2249833B1 (enExample) | 1978-10-27 |
| FR2249833A1 (enExample) | 1975-05-30 |
| GB1491500A (en) | 1977-11-09 |
| JPS5083298A (enExample) | 1975-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NZ181752A (en) | Manufacture of phosphoric acid from phosphate rock by acidextraction | |
| JPS5223599A (en) | Process for producing fooddstuff class alkali phosphate from wet process phosphoric acid | |
| IL49927A (en) | Preparation of high purity phosphoric acid | |
| CA932123A (en) | Method of separating magnesium from wet-process phosphoric acid | |
| PT65852B (en) | Process for the manufacture of phosphoric acid from phosphate rock | |
| EG11457A (en) | Purification of wet-processed phosphoric acid | |
| ZA752223B (en) | Process for the preparation of (thio) phosphoric (phosphonic) acid esters | |
| ZA746708B (en) | Method of making high purity alkali metal phosphates from wet-process phosphoric acid | |
| ZA755914B (en) | Production of fluoride-free phosphates | |
| GB1543522A (en) | Production of pure alkali metal phosphate solutions from wet-processed phosphoric acids | |
| CA990046A (en) | Production of potassium polyphosphates from phosphate acid sludges | |
| YU60675A (en) | Process for obtaining pure phosphoric acid | |
| ZA745177B (en) | Stabilization of wet-process phosphoric acid | |
| NZ182507A (en) | Production of phosphoric acid by wet method from phosphate ore | |
| EG11662A (en) | Process for manufacturing of phosphoric acid | |
| IL41356A0 (en) | Process for manufacture of potassium phosphates | |
| ZA743069B (en) | Production of ammonium bifluoride from fluoride containing phosphoric acid | |
| CS193034B2 (en) | Method of producing 2-phenylethylene phosphonic acid | |
| AU451401B2 (en) | Method of producing concentrated phosphoric acid compound from monocalcium phosphate | |
| IL48207A0 (en) | Production of fluoride-free phosphates | |
| AU1184170A (en) | Method of producing concentrated phosphoric acid compound from monocalcium phosphate | |
| ZA745176B (en) | Production of detergent grade phosphoric acid | |
| CA912234A (en) | Method of producing concentrated phosphoric acid compounds from monocalcium phosphate | |
| IL47146A0 (en) | Production of phosphoric acid of high purity | |
| YU153171A (en) | Process for preparing pure phosphates from impure phosphoric acid |