MA28704B1 - PROCESS FOR PRODUCING PHOSPHORIC ACID - Google Patents
PROCESS FOR PRODUCING PHOSPHORIC ACIDInfo
- Publication number
- MA28704B1 MA28704B1 MA29591A MA29591A MA28704B1 MA 28704 B1 MA28704 B1 MA 28704B1 MA 29591 A MA29591 A MA 29591A MA 29591 A MA29591 A MA 29591A MA 28704 B1 MA28704 B1 MA 28704B1
- Authority
- MA
- Morocco
- Prior art keywords
- phosphoric acid
- producing phosphoric
- producing
- acid
- phosphoric
- 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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/225—Dihydrate process
-
- 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
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/226—Hemihydrate process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Luminescent Compositions (AREA)
- Fertilizers (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE2004/0273A BE1016065A3 (en) | 2004-06-01 | 2004-06-01 | Process phosphoric acid production. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA28704B1 true MA28704B1 (en) | 2007-06-01 |
Family
ID=34973657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA29591A MA28704B1 (en) | 2004-06-01 | 2006-12-29 | PROCESS FOR PRODUCING PHOSPHORIC ACID |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1771378A1 (en) |
| CN (1) | CN1960941B (en) |
| BE (1) | BE1016065A3 (en) |
| BR (1) | BRPI0510525A (en) |
| EA (1) | EA010973B1 (en) |
| MA (1) | MA28704B1 (en) |
| TN (1) | TNSN06394A1 (en) |
| WO (1) | WO2005118470A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1019055A3 (en) | 2009-12-02 | 2012-02-07 | Prayon Technologies | PROCESS FOR PRODUCING PHOSPHORIC ACID |
| PL2714589T3 (en) | 2011-06-01 | 2016-05-31 | Prayon Tech | Dihydrate-hemihydrate process for producing phosphoric acid |
| RU2599525C1 (en) * | 2015-04-23 | 2016-10-10 | Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам имени профессора Я.В. Самойлова" (ОАО "НИУИФ") | Method of producing wet-process phosphoric acid |
| JOP20200027A1 (en) | 2017-08-11 | 2020-02-06 | Prayon Tech | Method for etching a phosphate source using acid |
| CN107840316B (en) * | 2017-10-30 | 2019-07-19 | 安徽六国化工股份有限公司 | A kind of two step method dihydrate wet phosphoric acid production technology |
| CN107840317B (en) * | 2017-10-30 | 2019-12-03 | 安徽六国化工股份有限公司 | A kind of-half water wet method phosphoric acid manufacture process of two water of one-step method |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE20994E (en) | 1928-06-05 | 1939-01-31 | Method of treating raw phosphate | |
| NL29556C (en) | 1930-02-13 | |||
| NL270658A (en) | 1960-10-26 | |||
| BE633677A (en) * | 1962-06-29 | |||
| IL23004A (en) | 1964-02-27 | 1969-03-27 | Fosindus Co | Process for the purification of residual gypsum produced in the manufacture of phosphoric acid by the reaction of sulphuric acid with natural phosphates |
| LU49007A1 (en) | 1965-07-07 | 1967-01-09 | ||
| US3632304A (en) * | 1968-09-03 | 1972-01-04 | Universal Oil Prod Co | Catalytic oxidation of waste gas streams with fluidizable subdivided particles |
| US3632307A (en) * | 1969-04-09 | 1972-01-04 | Albatros Super Fosfaatfabrieke | Process for the preparation of phosphoric acid and gypsum from phosphate rock |
| US3715191A (en) * | 1970-07-13 | 1973-02-06 | Whiting Corp | Apparatus for making wet process phosphoric acid |
| US3911079A (en) * | 1971-03-23 | 1975-10-07 | Rhone Progil | Method of producing phosphoric acid and calcium sulphate |
| US4220630A (en) * | 1978-01-04 | 1980-09-02 | Occidental Petroleum Corporation | Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability |
| DE2967184D1 (en) * | 1979-10-17 | 1984-09-20 | Siape | Device for the production of phosphoric acid by the wet process |
| EP0181029B1 (en) | 1984-11-05 | 1991-06-12 | Prayon Développement Société anonyme | Continuous process for the preparation of phosphoric acid and of calcium sulphate |
| US5084261A (en) * | 1989-06-22 | 1992-01-28 | Occidental Chemical Corporation | Recovery and utilization of gypstack leachate in hemihydrate phosphoric acid process |
-
2004
- 2004-06-01 BE BE2004/0273A patent/BE1016065A3/en active
-
2005
- 2005-06-01 EA EA200602217A patent/EA010973B1/en not_active IP Right Cessation
- 2005-06-01 WO PCT/EP2005/052495 patent/WO2005118470A1/en active Application Filing
- 2005-06-01 BR BRPI0510525-0A patent/BRPI0510525A/en not_active IP Right Cessation
- 2005-06-01 CN CN2005800179148A patent/CN1960941B/en not_active Expired - Fee Related
- 2005-06-01 EP EP05756810A patent/EP1771378A1/en not_active Withdrawn
-
2006
- 2006-11-30 TN TNP2006000394A patent/TNSN06394A1/en unknown
- 2006-12-29 MA MA29591A patent/MA28704B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE1016065A3 (en) | 2006-02-07 |
| EA200602217A1 (en) | 2007-04-27 |
| CN1960941B (en) | 2010-09-08 |
| BRPI0510525A (en) | 2007-10-30 |
| CN1960941A (en) | 2007-05-09 |
| WO2005118470A1 (en) | 2005-12-15 |
| TNSN06394A1 (en) | 2008-02-22 |
| EA010973B1 (en) | 2008-12-30 |
| EP1771378A1 (en) | 2007-04-11 |
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