MA28704B1 - Procede de production d'acide phosphorique - Google Patents
Procede de production d'acide phosphoriqueInfo
- 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 (fr) | 2004-06-01 | 2004-06-01 | Procede de production d'acide phosphorique. |
Publications (1)
Publication Number | Publication Date |
---|---|
MA28704B1 true MA28704B1 (fr) | 2007-06-01 |
Family
ID=34973657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA29591A MA28704B1 (fr) | 2004-06-01 | 2006-12-29 | Procede de production d'acide phosphorique |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1771378A1 (fr) |
CN (1) | CN1960941B (fr) |
BE (1) | BE1016065A3 (fr) |
BR (1) | BRPI0510525A (fr) |
EA (1) | EA010973B1 (fr) |
MA (1) | MA28704B1 (fr) |
TN (1) | TNSN06394A1 (fr) |
WO (1) | WO2005118470A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1019055A3 (fr) | 2009-12-02 | 2012-02-07 | Prayon Technologies | Procede de production d'acide phosphorique. |
MX339999B (es) | 2011-06-01 | 2016-06-20 | Prayon Tech | Procedimiento de produccion de acido fosforico de tipo dihidratado/hemihidratado. |
RU2599525C1 (ru) * | 2015-04-23 | 2016-10-10 | Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам имени профессора Я.В. Самойлова" (ОАО "НИУИФ") | Способ получения экстракционной фосфорной кислоты |
CA3072408A1 (fr) | 2017-08-11 | 2019-02-14 | Prayon Technologies | Procede d'attaque acide d'une source phosphatee |
CN107840316B (zh) * | 2017-10-30 | 2019-07-19 | 安徽六国化工股份有限公司 | 一种二步法二水湿法磷酸生产工艺 |
CN107840317B (zh) * | 2017-10-30 | 2019-12-03 | 安徽六国化工股份有限公司 | 一种一步法二水-半水湿法磷酸生产工艺 |
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 (fr) | 1930-02-13 | |||
NL270658A (fr) | 1960-10-26 | |||
NL293253A (fr) * | 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 (fr) * | 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 |
DE3583209D1 (de) | 1984-11-05 | 1991-07-18 | Prayon Dev Sa | Kontinuierliches verfahren zur herstellung von phosphorsaeure und von calciumsulfat. |
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/fr active
-
2005
- 2005-06-01 CN CN2005800179148A patent/CN1960941B/zh not_active Expired - Fee Related
- 2005-06-01 BR BRPI0510525-0A patent/BRPI0510525A/pt not_active IP Right Cessation
- 2005-06-01 WO PCT/EP2005/052495 patent/WO2005118470A1/fr active Application Filing
- 2005-06-01 EA EA200602217A patent/EA010973B1/ru not_active IP Right Cessation
- 2005-06-01 EP EP05756810A patent/EP1771378A1/fr not_active Withdrawn
-
2006
- 2006-11-30 TN TNP2006000394A patent/TNSN06394A1/fr unknown
- 2006-12-29 MA MA29591A patent/MA28704B1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
TNSN06394A1 (fr) | 2008-02-22 |
CN1960941B (zh) | 2010-09-08 |
EA200602217A1 (ru) | 2007-04-27 |
EA010973B1 (ru) | 2008-12-30 |
WO2005118470A1 (fr) | 2005-12-15 |
EP1771378A1 (fr) | 2007-04-11 |
BRPI0510525A (pt) | 2007-10-30 |
BE1016065A3 (fr) | 2006-02-07 |
CN1960941A (zh) | 2007-05-09 |
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