GB1386291A - Process for manufacturing phosphoric acid and gypsum - Google Patents
Process for manufacturing phosphoric acid and gypsumInfo
- Publication number
- GB1386291A GB1386291A GB958572A GB958572A GB1386291A GB 1386291 A GB1386291 A GB 1386291A GB 958572 A GB958572 A GB 958572A GB 958572 A GB958572 A GB 958572A GB 1386291 A GB1386291 A GB 1386291A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gypsum
- silicofluoride
- phosphoric acid
- excess
- acid
- Prior art date
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 10
- 239000010440 gypsum Substances 0.000 title abstract 10
- 229910052602 gypsum Inorganic materials 0.000 title abstract 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000029087 digestion Effects 0.000 abstract 5
- 229910052783 alkali metal Inorganic materials 0.000 abstract 4
- 150000001340 alkali metals Chemical class 0.000 abstract 4
- 239000000706 filtrate Substances 0.000 abstract 4
- 238000005406 washing Methods 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 2
- 239000012452 mother liquor Substances 0.000 abstract 2
- 239000002367 phosphate rock Substances 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 2
- 229920006395 saturated elastomer Polymers 0.000 abstract 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005188 flotation Methods 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/10—Compounds containing silicon, fluorine, and other elements
- C01B33/103—Fluosilicic acid; Salts thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712109715 DE2109715C3 (de) | 1971-03-02 | Verfahren zur Herstellung von Phosphorsäure | |
| DE19722208049 DE2208049C3 (de) | 1972-02-21 | Verfahren zur Herstellung von Phosphorsäure nach dem Naßverfahren unter Gewinnung eines für die Weiterverarbeitung geeigneten Gipses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1386291A true GB1386291A (en) | 1975-03-05 |
Family
ID=25760743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB958572A Expired GB1386291A (en) | 1971-03-02 | 1972-03-01 | Process for manufacturing phosphoric acid and gypsum |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE779982A (OSRAM) |
| CA (1) | CA967721A (OSRAM) |
| FR (1) | FR2128432B1 (OSRAM) |
| GB (1) | GB1386291A (OSRAM) |
| NL (1) | NL7202664A (OSRAM) |
| SE (1) | SE365490B (OSRAM) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9017495B2 (en) | 2000-01-05 | 2015-04-28 | Saint-Gobain Adfors Canada, Ltd. | Methods of making smooth reinforced cementitious boards |
| CN109485083A (zh) * | 2018-12-20 | 2019-03-19 | 四川久大蓬莱盐化有限公司 | 一种饲料添加剂硫酸钙的制备方法和制备系统 |
| CN113072046A (zh) * | 2021-04-09 | 2021-07-06 | 郑州大学 | 一种通过浮选法除杂提高磷石膏白度的方法 |
| CN113603249A (zh) * | 2021-08-24 | 2021-11-05 | 云南弘祥化工有限公司 | 一种用于氟硅酸钠生产的磷石膏渣场沉淀污水的工艺 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784238B (zh) * | 2022-10-18 | 2024-03-12 | 宜都兴发化工有限公司 | 一种回收磷石膏中可溶性氟的方法 |
-
1972
- 1972-02-29 FR FR7206907A patent/FR2128432B1/fr not_active Expired
- 1972-02-29 BE BE779982A patent/BE779982A/xx unknown
- 1972-03-01 NL NL7202664A patent/NL7202664A/xx not_active Application Discontinuation
- 1972-03-01 GB GB958572A patent/GB1386291A/en not_active Expired
- 1972-03-01 CA CA135,919A patent/CA967721A/en not_active Expired
- 1972-03-02 SE SE02694/72A patent/SE365490B/xx unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9017495B2 (en) | 2000-01-05 | 2015-04-28 | Saint-Gobain Adfors Canada, Ltd. | Methods of making smooth reinforced cementitious boards |
| CN109485083A (zh) * | 2018-12-20 | 2019-03-19 | 四川久大蓬莱盐化有限公司 | 一种饲料添加剂硫酸钙的制备方法和制备系统 |
| CN113072046A (zh) * | 2021-04-09 | 2021-07-06 | 郑州大学 | 一种通过浮选法除杂提高磷石膏白度的方法 |
| CN113072046B (zh) * | 2021-04-09 | 2022-06-17 | 郑州大学 | 一种通过浮选法除杂提高磷石膏白度的方法 |
| CN113603249A (zh) * | 2021-08-24 | 2021-11-05 | 云南弘祥化工有限公司 | 一种用于氟硅酸钠生产的磷石膏渣场沉淀污水的工艺 |
| CN113603249B (zh) * | 2021-08-24 | 2023-10-31 | 云南弘祥化工有限公司 | 一种用于氟硅酸钠生产的磷石膏渣场沉淀污水的工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2128432A1 (OSRAM) | 1972-10-20 |
| FR2128432B1 (OSRAM) | 1974-06-28 |
| SE365490B (OSRAM) | 1974-03-25 |
| CA967721A (en) | 1975-05-20 |
| NL7202664A (OSRAM) | 1972-09-05 |
| BE779982A (fr) | 1972-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |