ZA782113B - The preparation of purified or condensed phosphoric acid - Google Patents
The preparation of purified or condensed phosphoric acidInfo
- Publication number
- ZA782113B ZA782113B ZA782113A ZA782113A ZA782113B ZA 782113 B ZA782113 B ZA 782113B ZA 782113 A ZA782113 A ZA 782113A ZA 782113 A ZA782113 A ZA 782113A ZA 782113 B ZA782113 B ZA 782113B
- Authority
- ZA
- South Africa
- Prior art keywords
- purified
- preparation
- phosphoric acid
- condensed phosphoric
- condensed
- 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
- C01B25/26—Phosphates
- C01B25/28—Ammonium phosphates
-
- 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
- C01B25/24—Condensed phosphoric acids
-
- 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
- C01B25/26—Phosphates
- C01B25/265—General methods for obtaining phosphates
-
- 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
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/405—Polyphosphates of ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB15135/77A GB1601474A (en) | 1977-04-12 | 1977-04-12 | Purification of wet process phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA782113B true ZA782113B (en) | 1980-02-27 |
Family
ID=10053666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA782113A ZA782113B (en) | 1977-04-12 | 1978-04-12 | The preparation of purified or condensed phosphoric acid |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS53128595A (nl) |
| AU (1) | AU518507B2 (nl) |
| BE (1) | BE865908A (nl) |
| CA (1) | CA1103887A (nl) |
| DE (1) | DE2815880A1 (nl) |
| ES (1) | ES468736A1 (nl) |
| FR (1) | FR2387188A1 (nl) |
| GB (1) | GB1601474A (nl) |
| IL (1) | IL54496A (nl) |
| IN (1) | IN149004B (nl) |
| IT (1) | IT1156955B (nl) |
| NL (1) | NL7803876A (nl) |
| SE (1) | SE7804144L (nl) |
| ZA (1) | ZA782113B (nl) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1128592A (en) * | 1980-01-15 | 1982-07-27 | Michio Ikura | Method and apparatus for concentrating a liquid |
| PH21240A (en) * | 1980-05-21 | 1987-08-21 | Albright & Wilson | Purification process |
| JPS63210005A (ja) * | 1987-02-24 | 1988-08-31 | Matsushita Electric Works Ltd | セラミック基板の表面を粗化する方法 |
| WO2000040507A1 (fr) * | 1998-12-28 | 2000-07-13 | Toyo Boseki Kabushiki Kaisha | Procede de purification de l'acide phosphorique et acide polyphosphorique de grande purete |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1336143A (fr) * | 1962-06-15 | 1963-08-30 | Collier Carbon & Chemical Co | Procédé de traitement d'acide phosphorique obtenu par voie humide pour l'obtention de dérivés phosphorés et produits en résultant |
| GB1081892A (en) * | 1964-07-21 | 1967-09-06 | Occidental Res & Eng | Improvements relating to the production of phosphoric acids |
| FR1468920A (fr) * | 1965-11-16 | 1967-02-10 | Occidental Res & Eng | Perfectionnements aux procédés pour la production d'acides phosphoriques à haute teneur en anhydride |
| FR1545773A (fr) * | 1966-09-27 | 1968-11-15 | Electric Reduction Co | Procédé et appareil de purification et de concentration d'acide phosphorique |
| US3777008A (en) * | 1969-09-24 | 1973-12-04 | Cominco Ltd | Solid polyphosphoric acid |
-
1977
- 1977-04-12 GB GB15135/77A patent/GB1601474A/en not_active Expired
-
1978
- 1978-04-11 AU AU34967/78A patent/AU518507B2/en not_active Expired
- 1978-04-12 JP JP4222378A patent/JPS53128595A/ja active Pending
- 1978-04-12 ZA ZA782113A patent/ZA782113B/xx unknown
- 1978-04-12 IT IT67813/78A patent/IT1156955B/it active
- 1978-04-12 IL IL54496A patent/IL54496A/xx unknown
- 1978-04-12 BE BE186732A patent/BE865908A/xx not_active IP Right Cessation
- 1978-04-12 SE SE7804144A patent/SE7804144L/xx unknown
- 1978-04-12 CA CA300,997A patent/CA1103887A/en not_active Expired
- 1978-04-12 DE DE19782815880 patent/DE2815880A1/de not_active Withdrawn
- 1978-04-12 FR FR7810807A patent/FR2387188A1/fr active Granted
- 1978-04-12 IN IN262/DEL/78A patent/IN149004B/en unknown
- 1978-04-12 ES ES468736A patent/ES468736A1/es not_active Expired
- 1978-04-12 NL NL7803876A patent/NL7803876A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IL54496A0 (en) | 1978-07-31 |
| GB1601474A (en) | 1981-10-28 |
| IT1156955B (it) | 1987-02-04 |
| FR2387188A1 (fr) | 1978-11-10 |
| DE2815880A1 (de) | 1978-10-26 |
| AU3496778A (en) | 1979-10-18 |
| SE7804144L (sv) | 1978-10-13 |
| CA1103887A (en) | 1981-06-30 |
| IT7867813A0 (it) | 1978-04-12 |
| BE865908A (fr) | 1978-10-12 |
| IL54496A (en) | 1980-09-16 |
| ES468736A1 (es) | 1980-01-01 |
| NL7803876A (nl) | 1978-10-16 |
| AU518507B2 (en) | 1981-10-01 |
| IN149004B (nl) | 1981-08-15 |
| JPS53128595A (en) | 1978-11-09 |
| FR2387188B1 (nl) | 1980-08-08 |
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