ZA745177B - Stabilization of wet-process phosphoric acid - Google Patents
Stabilization of wet-process phosphoric acidInfo
- Publication number
- ZA745177B ZA745177B ZA00745177A ZA745177A ZA745177B ZA 745177 B ZA745177 B ZA 745177B ZA 00745177 A ZA00745177 A ZA 00745177A ZA 745177 A ZA745177 A ZA 745177A ZA 745177 B ZA745177 B ZA 745177B
- Authority
- ZA
- South Africa
- Prior art keywords
- stabilization
- wet
- phosphoric acid
- process phosphoric
- acid
- Prior art date
Links
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)
- Silicon Compounds (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42457873A | 1973-12-13 | 1973-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA745177B true ZA745177B (en) | 1975-08-27 |
Family
ID=23683116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00745177A ZA745177B (en) | 1973-12-13 | 1974-08-13 | Stabilization of wet-process phosphoric acid |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5092298A (fr) |
| BE (1) | BE820237A (fr) |
| BR (1) | BR7408497D0 (fr) |
| CA (1) | CA1042180A (fr) |
| DE (1) | DE2449209A1 (fr) |
| ES (1) | ES430912A1 (fr) |
| FR (1) | FR2254515B3 (fr) |
| GB (1) | GB1481976A (fr) |
| IL (1) | IL45680A (fr) |
| IN (1) | IN142371B (fr) |
| IT (1) | IT1021869B (fr) |
| NL (1) | NL7411428A (fr) |
| SE (1) | SE7412064L (fr) |
| ZA (1) | ZA745177B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2719701C3 (de) * | 1976-05-06 | 1986-10-02 | W.R. Grace & Co., New York, N.Y. | Verfahren zur Überführung von Naßphosphorsäure in eine nicht zu Ausfällungen neigende konzentrierte Phosphorsäure |
| AU499517B2 (en) * | 1978-03-06 | 1979-04-26 | W. R. Grace & Co | Treating wet-process phosphoric acid |
| LU80676A1 (fr) * | 1978-12-19 | 1980-07-21 | Metallurgie Hoboken | Procede pour enlever des agents salissants de l'acide phosphorique |
-
1974
- 1974-07-05 CA CA204,157A patent/CA1042180A/fr not_active Expired
- 1974-08-08 GB GB34993/74A patent/GB1481976A/en not_active Expired
- 1974-08-13 ZA ZA00745177A patent/ZA745177B/xx unknown
- 1974-08-21 IN IN1880/CAL/1974A patent/IN142371B/en unknown
- 1974-08-28 NL NL7411428A patent/NL7411428A/xx not_active Application Discontinuation
- 1974-09-16 IL IL45680A patent/IL45680A/xx unknown
- 1974-09-23 BE BE148807A patent/BE820237A/fr unknown
- 1974-09-24 JP JP49108933A patent/JPS5092298A/ja active Pending
- 1974-09-25 SE SE7412064A patent/SE7412064L/xx unknown
- 1974-10-11 BR BR8497/74A patent/BR7408497D0/pt unknown
- 1974-10-11 ES ES430912A patent/ES430912A1/es not_active Expired
- 1974-10-16 DE DE19742449209 patent/DE2449209A1/de active Pending
- 1974-10-21 IT IT53637/74A patent/IT1021869B/it active
- 1974-10-29 FR FR7436062A patent/FR2254515B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES430912A1 (es) | 1976-10-16 |
| IL45680A0 (en) | 1974-11-29 |
| IL45680A (en) | 1978-03-10 |
| JPS5092298A (fr) | 1975-07-23 |
| BE820237A (fr) | 1975-01-16 |
| FR2254515A1 (fr) | 1975-07-11 |
| GB1481976A (en) | 1977-08-03 |
| AU7108474A (en) | 1976-01-15 |
| DE2449209A1 (de) | 1975-06-19 |
| SE7412064L (fr) | 1975-06-16 |
| BR7408497D0 (pt) | 1975-09-02 |
| IT1021869B (it) | 1978-02-20 |
| FR2254515B3 (fr) | 1977-08-05 |
| CA1042180A (fr) | 1978-11-14 |
| IN142371B (fr) | 1977-07-02 |
| NL7411428A (nl) | 1975-06-17 |
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