ATE21882T1 - Verfahren zur herstellung von phosphorsaeure und gips in marktgaengiger form aus phosphatgestein. - Google Patents
Verfahren zur herstellung von phosphorsaeure und gips in marktgaengiger form aus phosphatgestein.Info
- Publication number
- ATE21882T1 ATE21882T1 AT83300957T AT83300957T ATE21882T1 AT E21882 T1 ATE21882 T1 AT E21882T1 AT 83300957 T AT83300957 T AT 83300957T AT 83300957 T AT83300957 T AT 83300957T AT E21882 T1 ATE21882 T1 AT E21882T1
- Authority
- AT
- Austria
- Prior art keywords
- gypsum
- phosphoric acid
- phosphate
- acid
- rock phosphate
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 8
- 239000002367 phosphate rock Substances 0.000 title abstract 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 4
- 239000010440 gypsum Substances 0.000 title abstract 4
- 229910052602 gypsum Inorganic materials 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 abstract 3
- 229910019142 PO4 Inorganic materials 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- 239000010452 phosphate Substances 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 229910003638 H2SiF6 Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- ZEFWRWWINDLIIV-UHFFFAOYSA-N tetrafluorosilane;dihydrofluoride Chemical compound F.F.F[Si](F)(F)F ZEFWRWWINDLIIV-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
-
- 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
- C01B25/2208—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8205334A GB2094282B (en) | 1981-02-27 | 1982-02-23 | Phosphoric acid manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE21882T1 true ATE21882T1 (de) | 1986-09-15 |
Family
ID=10528552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT83300957T ATE21882T1 (de) | 1982-02-23 | 1983-02-23 | Verfahren zur herstellung von phosphorsaeure und gips in marktgaengiger form aus phosphatgestein. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0087323B1 (de) |
| AT (1) | ATE21882T1 (de) |
| DE (1) | DE3365775D1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2548653B1 (fr) * | 1983-07-05 | 1986-11-07 | Rhone Poulenc Chim Base | Procede de fabrication d'acide phosphorique |
| US5531975A (en) * | 1990-12-31 | 1996-07-02 | Phosphate Engineering And Construction Co., Inc. | Process for the production of phosphoric acid and calcium fluoride |
| US5180569A (en) * | 1990-12-31 | 1993-01-19 | Phosphate Engineering And Construction Company | Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid |
| BE1013634A3 (fr) * | 2000-08-03 | 2002-05-07 | Ecophos | Procede de production d'acide phosphorique. |
| JP4890974B2 (ja) | 2006-06-29 | 2012-03-07 | キヤノン株式会社 | 画像処理装置、及び画像処理方法 |
| KR102025867B1 (ko) | 2017-07-13 | 2019-09-27 | 씨제이제일제당 주식회사 | 인산을 발효액 또는 발효 폐액으로부터 회수 및 재사용하는 방법 |
| KR102744891B1 (ko) | 2022-03-24 | 2024-12-19 | 씨제이제일제당 주식회사 | 인산을 발효액 또는 발효 폐액으로부터 회수 및 재사용하는 방법 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR633828A (fr) * | 1926-12-31 | 1928-02-04 | Procédé pour traiter le phosphate brut et d'autres matières contenant du phosphate de calcium insoluble | |
| US2636806A (en) * | 1950-05-19 | 1953-04-28 | Tennessee Corp | Acidulation of phosphate rock |
-
1983
- 1983-02-23 DE DE8383300957T patent/DE3365775D1/de not_active Expired
- 1983-02-23 EP EP83300957A patent/EP0087323B1/de not_active Expired
- 1983-02-23 AT AT83300957T patent/ATE21882T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3365775D1 (en) | 1986-10-09 |
| EP0087323A1 (de) | 1983-08-31 |
| EP0087323B1 (de) | 1986-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |