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
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 (ru) |
| BE (1) | BE686573A (ru) |
| DE (1) | DE1542611C3 (ru) |
| DK (1) | DK138941B (ru) |
| ES (1) | ES330957A1 (ru) |
| FI (1) | FI44589B (ru) |
| GB (1) | GB1162514A (ru) |
| IL (1) | IL26394A (ru) |
| NL (1) | NL153151B (ru) |
| NO (1) | NO116160B (ru) |
| OA (1) | OA02139A (ru) |
| SE (1) | SE315575C (ru) |
| SU (1) | SU389657A3 (ru) |
Families Citing this family (6)
| 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 |
| US6632966B2 (en) | 2001-08-24 | 2003-10-14 | Purac Biochem B.V. | Method for the preparation of lactic acid and calcium sulphate dihydrate |
| JP4450621B2 (ja) * | 2001-08-24 | 2010-04-14 | プラク・ビオヘム・ベー・ブイ | 乳酸および硫酸カルシウム二水和物の製法 |
| 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 |
-
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 BE BE686573D patent/BE686573A/xx not_active IP Right Cessation
- 1966-09-07 DK DK460166AA patent/DK138941B/da unknown
- 1966-09-07 NO NO164589A patent/NO116160B/no unknown
- 1966-09-07 AT AT844766A patent/AT285526B/de not_active IP Right Cessation
- 1966-09-07 ES ES0330957A patent/ES330957A1/es not_active Expired
- 1966-09-07 SU SU1101994A patent/SU389657A3/ru active
- 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 |
|---|---|
| DK138941B (da) | 1978-11-20 |
| BE686573A (ru) | 1967-03-07 |
| SU389657A3 (ru) | 1973-07-05 |
| SE315575C (ru) | 1975-10-20 |
| NL6612150A (ru) | 1967-03-09 |
| DE1542611C3 (de) | 1978-05-11 |
| DE1542611B2 (de) | 1974-06-27 |
| SE315575B (ru) | 1969-10-06 |
| AT285526B (de) | 1970-10-27 |
| GB1162514A (en) | 1969-08-27 |
| DE1542611A1 (de) | 1970-04-09 |
| OA02139A (fr) | 1970-05-05 |
| IL26394A (en) | 1970-02-19 |
| FI44589B (ru) | 1971-08-31 |
| NL153151B (nl) | 1977-05-16 |
| DK138941C (ru) | 1979-05-07 |
| NO116160B (ru) | 1969-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA764875B (en) | Process for the manufacture of highly concentrated phosphoric acid containing calcium sulfate hemihydrate having good filterability | |
| ES330957A1 (es) | Un procedimiento continuo para la preparacion de acido fosforico y yeso. | |
| ES329179A1 (es) | Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda. | |
| 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 | |
| MX166397B (es) | Mejoras en proceso de fosfohemidrato para la purificacion del yeso | |
| GB313036A (en) | Method of leaching raw phosphate | |
| ES503945A0 (es) | Procedimiento para la preparacion de acido fosforico y sul- fato de calcio del tipo anhidrita | |
| ES369090A2 (es) | Un procedimiento continuo para la produccion de acido fos- forico. | |
| US1937292A (en) | Gypsum plaster and process for making same | |
| BE594035A (fr) | Procédé d'isolation du sel de calcium de l'acide alpha-oxy-gamma-méthylthiobutyrique. | |
| GB1184585A (en) | A Method for Manufacturing Pure Gypsum. | |
| BR7017255D0 (pt) | Processo para a producao de clinquer de cimento pobre em fluor a partir de gesso obtido como produto secundario na producao de acido fosforico | |
| GB1248037A (en) | Calcium sulphate | |
| ES310115A1 (es) | Un procedimiento para la produccion de acido fosforico y de cristales de yeso. | |
| FR2273766A1 (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 | |
| ES315328A1 (es) | Procedimiento para la fabricacion de acido fosforico. | |
| GB577970A (en) | Improvements relating to the purification of calcium sulphate | |
| GB858469A (en) | Improvements in or relating to the bonding of gypsum to paper and products obtained thereby | |
| DE950847C (de) | Verfahren zur Herstellung reinen, in Wasser vollkommen loeslichen Monocalciumphosphats | |
| GB1023345A (en) | Improvements in or relating to the production of phosphoric acid | |
| JPS5641815A (en) | Purifying method for wet process phosphoric acid solution | |
| JPS5248262A (en) | Method of treatment of waste water from phosphoric acid wet production plant | |
| GB1297535A (ru) |