MA21338A1 - Procede et dispositif pour la preparation d'acide phosphorique a partir d'un minerai phosphate. - Google Patents
Procede et dispositif pour la preparation d'acide phosphorique a partir d'un minerai phosphate.Info
- Publication number
- MA21338A1 MA21338A1 MA21581A MA21581A MA21338A1 MA 21338 A1 MA21338 A1 MA 21338A1 MA 21581 A MA21581 A MA 21581A MA 21581 A MA21581 A MA 21581A MA 21338 A1 MA21338 A1 MA 21338A1
- Authority
- MA
- Morocco
- Prior art keywords
- preparation
- phosphoric acid
- phosphate ore
- ore
- phosphate
- 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)
- Manufacture And Refinement Of Metals (AREA)
- Removal Of Specific Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/078,608 US4828811A (en) | 1987-07-28 | 1987-07-28 | Method for producing phosphoric acid from phosphate ore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA21338A1 true MA21338A1 (fr) | 1989-04-01 |
Family
ID=22145134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA21581A MA21338A1 (fr) | 1987-07-28 | 1988-07-28 | Procede et dispositif pour la preparation d'acide phosphorique a partir d'un minerai phosphate. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4828811A (fr) |
| CN (1) | CN1018994B (fr) |
| BR (1) | BR8803753A (fr) |
| CA (1) | CA1329979C (fr) |
| MA (1) | MA21338A1 (fr) |
| NL (1) | NL8801886A (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5093088A (en) * | 1987-07-28 | 1992-03-03 | Potash Corporation Of Saskatchewan | Apparatus for producing phosphoric acid from phosphate ore |
| US6562308B1 (en) | 2000-11-15 | 2003-05-13 | Agrium, Inc. | Process for the recovery of phosphate from phosphate rock |
| DE10323774A1 (de) * | 2003-05-26 | 2004-12-16 | Khd Humboldt Wedag Ag | Verfahren und Anlage zur thermischen Trocknung eines nass vermahlenen Zementrohmehls |
| CN105771307A (zh) * | 2016-05-14 | 2016-07-20 | 张波 | 一种氨法脱硫后处理两级稠厚系统和工艺 |
| CN114477116B (zh) * | 2022-01-24 | 2023-11-28 | 上海弗鲁克科技发展有限公司 | 一种使用高剪切反应器制备磷酸的方法 |
| CN114620696B (zh) * | 2022-03-03 | 2024-04-05 | 云南弘祥化工有限公司 | 一种能降低磷石膏非溶磷的湿法磷酸工艺 |
| CN114990329B (zh) * | 2022-05-26 | 2023-10-24 | 中南大学 | 一种球团焙烧法制备高强轻集料的方法 |
| CN115093140A (zh) * | 2022-07-06 | 2022-09-23 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | 一种改性低膨胀工业废渣基碱激发材料的制备装置 |
| CN115304041A (zh) * | 2022-09-26 | 2022-11-08 | 瓮福（集团）有限责任公司 | 一种二水湿法磷酸生产降低磷石膏不溶性磷的工艺 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126249A (en) * | 1964-03-24 | Sydney atkin | ||
| US3150957A (en) * | 1961-06-07 | 1964-09-29 | Armour & Co | Treatment of phosphate rock |
| US3919395A (en) * | 1970-11-18 | 1975-11-11 | United States Gypsum Co | Process for extraction of phosphorus compounds |
| US4393032A (en) * | 1982-01-12 | 1983-07-12 | Pennzoil Company | Production of phosphoric acid and additional products from phosphate ore |
| US4393030A (en) * | 1982-01-12 | 1983-07-12 | Pennzoil Company | Upgrading of phosphate ore |
-
1987
- 1987-07-28 US US07/078,608 patent/US4828811A/en not_active Expired - Fee Related
-
1988
- 1988-07-27 CA CA000573151A patent/CA1329979C/fr not_active Expired - Fee Related
- 1988-07-27 NL NL8801886A patent/NL8801886A/nl not_active Application Discontinuation
- 1988-07-27 CN CN88106389.4A patent/CN1018994B/zh not_active Expired
- 1988-07-28 BR BR8803753A patent/BR8803753A/pt unknown
- 1988-07-28 MA MA21581A patent/MA21338A1/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4828811A (en) | 1989-05-09 |
| NL8801886A (nl) | 1989-02-16 |
| CN1031065A (zh) | 1989-02-15 |
| CA1329979C (fr) | 1994-06-07 |
| CN1018994B (zh) | 1992-11-11 |
| BR8803753A (pt) | 1989-02-14 |
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