ES330957A1 - Un procedimiento continuo para la preparacion de acido fosforico y yeso. - Google Patents
Un procedimiento continuo para la preparacion de acido fosforico y yeso.Info
- Publication number
- ES330957A1 ES330957A1 ES0330957A ES330957A ES330957A1 ES 330957 A1 ES330957 A1 ES 330957A1 ES 0330957 A ES0330957 A ES 0330957A ES 330957 A ES330957 A ES 330957A ES 330957 A1 ES330957 A1 ES 330957A1
- Authority
- ES
- Spain
- Prior art keywords
- crystals
- phosphoric acid
- hemihydrate
- calcium sulfate
- solution
- 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 18
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 9
- 238000002360 preparation method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 239000011505 plaster Substances 0.000 title 1
- 239000013078 crystal Substances 0.000 abstract 10
- 239000000243 solution Substances 0.000 abstract 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 5
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 abstract 4
- 239000010440 gypsum Substances 0.000 abstract 4
- 229910052602 gypsum Inorganic materials 0.000 abstract 4
- 238000005406 washing Methods 0.000 abstract 4
- 239000007788 liquid Substances 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 2
- 238000001953 recrystallisation Methods 0.000 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 abstract 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 230000009466 transformation Effects 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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB38480/65A GB1162514A (en) | 1965-09-08 | 1965-09-08 | Process for the preparation of Phosphoric Acid and Gypsum from Phosphate Rock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES330957A1 true ES330957A1 (es) | 1967-09-16 |
Family
ID=10403731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0330957A Expired ES330957A1 (es) | 1965-09-08 | 1966-09-07 | Un procedimiento continuo para la preparacion de acido fosforico y yeso. |
Country Status (13)
| Country | Link |
|---|---|
| AT (1) | AT285526B (forum.php) |
| BE (1) | BE686573A (forum.php) |
| DE (1) | DE1542611C3 (forum.php) |
| DK (1) | DK138941B (forum.php) |
| ES (1) | ES330957A1 (forum.php) |
| FI (1) | FI44589B (forum.php) |
| GB (1) | GB1162514A (forum.php) |
| IL (1) | IL26394A (forum.php) |
| NL (1) | NL153151B (forum.php) |
| NO (1) | NO116160B (forum.php) |
| OA (1) | OA02139A (forum.php) |
| SE (1) | SE315575C (forum.php) |
| SU (1) | SU389657A3 (forum.php) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3653826A (en) * | 1967-09-21 | 1972-04-04 | Nissan Chemical Ind Ltd | Process for the production of phosphoric acid at a high concentration and a gypsum by-product of improved quality |
| EP1419108B1 (en) * | 2001-08-24 | 2005-12-21 | Purac Biochem B.V. | Method for the preparation of lactic acid and calcium sulphate dihydrate |
| US6632966B2 (en) | 2001-08-24 | 2003-10-14 | Purac Biochem B.V. | Method for the preparation of lactic acid and calcium sulphate dihydrate |
| 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 |
| CN111732086A (zh) * | 2020-07-31 | 2020-10-02 | 天宝动物营养科技股份有限公司 | 一种半水-二水法制备磷酸联产高纯石膏工艺 |
| CN116768171B (zh) * | 2023-06-28 | 2024-07-02 | 昆明川金诺化工股份有限公司 | 一种生产优质半水湿法磷酸的工艺 |
| BE1032252B1 (fr) * | 2023-12-20 | 2025-07-22 | Prayon | Procédé de production d'acide phosphorique |
| BE1032259B1 (fr) * | 2023-12-21 | 2025-07-23 | Prayon | Procédé de détermination de la faisabilité de production d'un produit à base de phosphore au départ d'une source phosphatée |
-
1965
- 1965-09-08 GB GB38480/65A patent/GB1162514A/en not_active Expired
-
1966
- 1966-08-28 IL IL26394A patent/IL26394A/en unknown
- 1966-08-29 NL NL666612150A patent/NL153151B/xx not_active IP Right Cessation
- 1966-09-02 FI FI2298/66A patent/FI44589B/fi active
- 1966-09-05 DE DE1542611A patent/DE1542611C3/de not_active Expired
- 1966-09-07 SU SU1101994A patent/SU389657A3/ru active
- 1966-09-07 ES ES0330957A patent/ES330957A1/es not_active Expired
- 1966-09-07 DK DK460166AA patent/DK138941B/da unknown
- 1966-09-07 NO NO164589A patent/NO116160B/no unknown
- 1966-09-07 BE BE686573D patent/BE686573A/xx not_active IP Right Cessation
- 1966-09-07 AT AT844766A patent/AT285526B/de not_active IP Right Cessation
- 1966-09-08 SE SE6612066A patent/SE315575C/xx unknown
- 1966-09-12 OA OA52594A patent/OA02139A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1162514A (en) | 1969-08-27 |
| DE1542611C3 (de) | 1978-05-11 |
| IL26394A (en) | 1970-02-19 |
| DK138941C (forum.php) | 1979-05-07 |
| SE315575B (forum.php) | 1969-10-06 |
| DE1542611B2 (de) | 1974-06-27 |
| DK138941B (da) | 1978-11-20 |
| FI44589B (forum.php) | 1971-08-31 |
| NL153151B (nl) | 1977-05-16 |
| AT285526B (de) | 1970-10-27 |
| OA02139A (fr) | 1970-05-05 |
| SE315575C (forum.php) | 1975-10-20 |
| NO116160B (forum.php) | 1969-02-10 |
| BE686573A (forum.php) | 1967-03-07 |
| DE1542611A1 (de) | 1970-04-09 |
| NL6612150A (forum.php) | 1967-03-09 |
| SU389657A3 (forum.php) | 1973-07-05 |
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| JPS5221296A (en) | Producing method of concentrated phosphoric acid containing gypsum hem ihydrate which can be easily filtrated | |
| ES330957A1 (es) | Un procedimiento continuo para la preparacion de acido fosforico y yeso. | |
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| FR1350642A (fr) | Procédé de fabrication par voie humide de l'acide phosphorique par la méthode au sulfate de calcium semihydraté-dihydraté | |
| GB1103206A (en) | Process for the purification of residual gypsum arising in the manufacture of phosphoric acid by sulphuric reaction of natural phosphates | |
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| ES310115A1 (es) | Un procedimiento para la produccion de acido fosforico y de cristales de yeso. | |
| GB1248037A (en) | Calcium sulphate | |
| BE828578A (fr) | Procede pour la preparation de sulfate de calcium stabilise susceptible de faire prise, par reaction de composes de calcium avec l'acide sulfurique | |
| FR1409248A (fr) | Procédé de purification du gypse résiduaire provenant de la fabrication d'acide phosphorique par l'attaque sulfurique de phosphates naturels | |
| AT298413B (de) | Verfahren zur Abtrennung und Gewinnung von Fluorverbindungen aus durch Schwefelsäureaufschluß von natürlichem Calciumphosphat erhaltenem Gips | |
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| GB1297535A (forum.php) | ||
| SU793960A1 (ru) | Способ получени двойного супер-фОСфАТА | |
| DK141697B (da) | Fremgangsmåde til hydratisering af calciumsulfat-alfa-hemihydrat med vand. | |
| GB689751A (en) | Process for the industrial preparation of diammonium phosphate, concentrated calcium phosphates, mixed ammonium and calcium phosphates and alkaline phosphates | |
| AU1431670A (en) | Method of producing calcium sulphate hemihydrate from contaiminated types of gypsum, particularly phosphoric acid waste gypsum | |
| ES379146A1 (es) | Procedimiento para la obtencion de sulfato calcico semihi- dratado mediante yesos impuros, especialmente los residualesprocedentes de la obtencion del acido fosforico. |