FR1598978A - - Google Patents
Info
- Publication number
- FR1598978A FR1598978A FR1598978DA FR1598978A FR 1598978 A FR1598978 A FR 1598978A FR 1598978D A FR1598978D A FR 1598978DA FR 1598978 A FR1598978 A FR 1598978A
- Authority
- FR
- France
- 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
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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6025367 | 1967-09-21 | ||
| JP1555468A JPS516112B1 (enExample) | 1968-03-11 | 1968-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1598978A true FR1598978A (enExample) | 1970-07-15 |
Family
ID=26351725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1598978D Expired FR1598978A (enExample) | 1967-09-21 | 1968-09-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3653826A (enExample) |
| BE (1) | BE721135A (enExample) |
| FR (1) | FR1598978A (enExample) |
| GB (1) | GB1220963A (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1557663A (en) * | 1975-08-01 | 1979-12-12 | Albright & Wilson | Process for preparing phosphore acid |
| JPS5851884B2 (ja) * | 1975-08-13 | 1983-11-18 | 日産化学工業株式会社 | 濾過性の良好な半水石膏を含有する高濃度燐酸の製造方法 |
| EP0003266B1 (en) * | 1977-12-29 | 1983-03-30 | Occidental Petroleum Corporation | Apparatus for contacting solid particles with a liquid; apparatus and process for the production of phosphoric acid |
| US4258007A (en) * | 1978-01-05 | 1981-03-24 | Occidental Research Corporation | Feed system for phosphoric acid production with decreased foaming |
| US4258008A (en) * | 1978-01-05 | 1981-03-24 | Occidental Research Corporation | System for phosphoric acid production with decreased foaming |
| US4260584A (en) * | 1978-05-26 | 1981-04-07 | Occidental Petroleum Corporation | Apparatus useful for wet process phosphoric acid production |
| US4311677A (en) * | 1979-12-03 | 1982-01-19 | Swiss Aluminium Ltd. | Process for producing phosphoric acid |
| JPS63144107A (ja) * | 1986-12-08 | 1988-06-16 | Mitsui Toatsu Chem Inc | 高濃度燐酸−半水石こうスラリ−の濾過方法 |
| CN1340457A (zh) * | 2000-09-01 | 2002-03-20 | 山东鲁北企业集团总公司 | 一种磷酸生产工艺 |
| US8871004B2 (en) | 2009-07-31 | 2014-10-28 | University Of Utah Research Foundation | Methods for agglomerating ores |
| CN105253867B (zh) * | 2015-09-18 | 2017-10-17 | 金正大生态工程集团股份有限公司 | 一种湿法磷酸副产α半水石膏的生产方法 |
| CN105384157A (zh) * | 2015-11-09 | 2016-03-09 | 东华工程科技股份有限公司 | 一种半水-二水法生产磷酸工艺 |
| CN113148968B (zh) * | 2021-05-24 | 2022-12-30 | 云南云天化股份有限公司 | 一种湿法磷加工生产α-半水石膏的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3197280A (en) * | 1962-01-11 | 1965-07-27 | Chemical Construction Corp | Production of phosphoric acid |
| CA718837A (en) * | 1962-06-23 | 1965-09-28 | Toyo Engineering Corporation | Wet-process phosphoric acid manufacture by the semihydrate-dihydrate calcium sulphate method |
| US3472619A (en) * | 1964-03-06 | 1969-10-14 | Singmaster & Breyer | Production of phosphoric acid and calcium sulfate |
| FR1409405A (fr) * | 1964-07-16 | 1965-08-27 | Heurtey Sa | Procédé de fabrication de l'acide phosphorique et appareillage permettant la mise en oeuvre d'un tel procédé |
| GB1162514A (en) * | 1965-09-08 | 1969-08-27 | Albatros Superfosfaat | Process for the preparation of Phosphoric Acid and Gypsum from Phosphate Rock |
| US3453076A (en) * | 1966-05-09 | 1969-07-01 | Lummus Co | Phosphoric acid process |
| NL6800867A (enExample) * | 1967-01-26 | 1968-07-29 |
-
1968
- 1968-08-16 US US762210*A patent/US3653826A/en not_active Expired - Lifetime
- 1968-09-20 GB GB44961/68A patent/GB1220963A/en not_active Expired
- 1968-09-20 FR FR1598978D patent/FR1598978A/fr not_active Expired
- 1968-09-20 BE BE721135D patent/BE721135A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE721135A (enExample) | 1969-03-03 |
| DE1792568A1 (de) | 1972-05-18 |
| GB1220963A (en) | 1971-01-27 |
| US3653826A (en) | 1972-04-04 |
| DE1792568B2 (de) | 1977-03-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CA | Change of address |