ATE47127T1 - Verfahren zur herstellung von gereinigter phosphorsaeure, vorrichtung dafuer sowie das hergestellte produkt. - Google Patents
Verfahren zur herstellung von gereinigter phosphorsaeure, vorrichtung dafuer sowie das hergestellte produkt.Info
- Publication number
- ATE47127T1 ATE47127T1 AT84401455T AT84401455T ATE47127T1 AT E47127 T1 ATE47127 T1 AT E47127T1 AT 84401455 T AT84401455 T AT 84401455T AT 84401455 T AT84401455 T AT 84401455T AT E47127 T1 ATE47127 T1 AT E47127T1
- Authority
- AT
- Austria
- Prior art keywords
- vat
- phosphoric acid
- attack
- reaction mixture
- manufacture
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 3
- 239000001506 calcium phosphate Substances 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- 238000006115 defluorination reaction Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 abstract 2
- 229940078499 tricalcium phosphate Drugs 0.000 abstract 2
- 229910000391 tricalcium phosphate Inorganic materials 0.000 abstract 2
- 235000019731 tricalcium phosphate Nutrition 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000001175 calcium sulphate Substances 0.000 abstract 1
- 235000011132 calcium sulphate Nutrition 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000005352 clarification Methods 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 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
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Saccharide Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Fertilizers (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8312089A FR2549460B1 (fr) | 1983-07-21 | 1983-07-21 | Procede de fabrication d'acide phosphorique purifie, appareillage et produit obtenu |
| EP84401455A EP0134732B1 (de) | 1983-07-21 | 1984-07-10 | Verfahren zur Herstellung von gereinigter Phosphorsäure, Vorrichtung dafür sowie das hergestellte Produkt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE47127T1 true ATE47127T1 (de) | 1989-10-15 |
Family
ID=9291010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT84401455T ATE47127T1 (de) | 1983-07-21 | 1984-07-10 | Verfahren zur herstellung von gereinigter phosphorsaeure, vorrichtung dafuer sowie das hergestellte produkt. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0134732B1 (de) |
| AT (1) | ATE47127T1 (de) |
| DE (1) | DE3480085D1 (de) |
| FR (1) | FR2549460B1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989003805A2 (en) * | 1987-10-30 | 1989-05-05 | Designer Premixes Inc. | Production of low-fluorine calcium phosphate and phosphoric acid and of silica |
| CN117534046A (zh) * | 2023-10-23 | 2024-02-09 | 贵阳开磷化肥有限公司 | 一种污泥渣代替磷精矿磷酸脱硫的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1487205A (en) * | 1922-01-07 | 1924-03-18 | Fed Phosphorus Co | Process for the removal of fluorine compounds from phosphoric acid |
| FR1472520A (fr) * | 1966-03-23 | 1967-03-10 | Marchon Products Ltd | Procédé de désulfatation de l'acide phosphorique |
| US3554696A (en) * | 1968-05-06 | 1971-01-12 | Tennessee Corp | Wet process phosphoric acid manufacture |
| US3644091A (en) * | 1970-03-17 | 1972-02-22 | Exxon Research Engineering Co | Clarification of phosphoric acid |
-
1983
- 1983-07-21 FR FR8312089A patent/FR2549460B1/fr not_active Expired
-
1984
- 1984-07-10 DE DE8484401455T patent/DE3480085D1/de not_active Expired
- 1984-07-10 AT AT84401455T patent/ATE47127T1/de not_active IP Right Cessation
- 1984-07-10 EP EP84401455A patent/EP0134732B1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0134732B1 (de) | 1989-10-11 |
| FR2549460B1 (fr) | 1988-04-15 |
| FR2549460A1 (fr) | 1985-01-25 |
| DE3480085D1 (en) | 1989-11-16 |
| EP0134732A1 (de) | 1985-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE6050T1 (de) | Verfahren zur reinigung von phosphorsaeure von schwermetallen. | |
| EP0179390A3 (de) | L-Lysin- und L-Histidinpyruvat | |
| US3151941A (en) | Defluorination of peosphoric acid | |
| FR2354962A1 (fr) | Procede de production d'acide phosphorique et de phosphate sans fluor | |
| DZ854A1 (fr) | Procédé continu de préparation d'acide phosphorique et de sulfate de calcium. | |
| ATE52238T1 (de) | Verfahren zur herstellung von kaliumdihydrogenphosphat. | |
| ATE47127T1 (de) | Verfahren zur herstellung von gereinigter phosphorsaeure, vorrichtung dafuer sowie das hergestellte produkt. | |
| MA19975A1 (fr) | Procede de purification de l'acide phosphorique prepare par voie humide | |
| US3442609A (en) | Process of purifying phosporic acid | |
| ATE21882T1 (de) | Verfahren zur herstellung von phosphorsaeure und gips in marktgaengiger form aus phosphatgestein. | |
| DE3669303D1 (de) | Verfahren zur herstellung von natriummonohydrogenphosphat. | |
| DE69020804D1 (de) | Verfahren zur Herstellung von Tauroursodesoxycholsäure Dihydrat. | |
| SU742379A1 (ru) | Способ обесфторивани фосфогипса | |
| SU580824A3 (ru) | Способ получени фосфата кали | |
| ATE37855T1 (de) | Verfahren zur gewinnung von fast radium-freiem kalziumsulfat, yttrium und lanthaniden. | |
| ATE32718T1 (de) | Verfahren zur herstellung von (s)glyceraldehydacetonid. | |
| ATE34726T1 (de) | Verfahren zur neutralisierung des filterkuchens von zeolith a. | |
| SU891592A1 (ru) | Способ получени суперфосфата | |
| RU1806089C (ru) | Способ получени фосфорной кислоты | |
| SU842021A1 (ru) | Способ обесфторивани фосфорнойКиСлОТы | |
| ATE138046T1 (de) | Verfahren zur entfernung von abgelagerten verunreinigungen in einem organischen strom zur erzeugung reiner phosphorsäure | |
| SU628086A1 (ru) | Способ получени кремнефторида натри | |
| SU793960A1 (ru) | Способ получени двойного супер-фОСфАТА | |
| SU1047831A1 (ru) | Способ получени фосфорной кислоты | |
| SU842020A1 (ru) | Способ получени фосфорной кислоты |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |