DK326884A - Fremgangsmaade til fremstilling af phosphorsyre med genvinding af fluor- og siliciumholdige forbindelser - Google Patents
Fremgangsmaade til fremstilling af phosphorsyre med genvinding af fluor- og siliciumholdige forbindelser Download PDFInfo
- Publication number
- DK326884A DK326884A DK326884A DK326884A DK326884A DK 326884 A DK326884 A DK 326884A DK 326884 A DK326884 A DK 326884A DK 326884 A DK326884 A DK 326884A DK 326884 A DK326884 A DK 326884A
- Authority
- DK
- Denmark
- Prior art keywords
- phosphoric acid
- slurry
- fraction
- separated
- compounds
- Prior art date
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
- 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
- C01B25/232—Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process
-
- 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
-
- 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
-
- 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
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Saccharide Compounds (AREA)
- Silicon Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Removal Of Specific Substances (AREA)
- Fuel Cell (AREA)
- Control Of El Displays (AREA)
- Materials For Medical Uses (AREA)
- Fertilizers (AREA)
- Luminescent Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8311140A FR2548653B1 (fr) | 1983-07-05 | 1983-07-05 | Procede de fabrication d'acide phosphorique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK326884D0 DK326884D0 (da) | 1984-07-04 |
| DK326884A true DK326884A (da) | 1985-01-06 |
Family
ID=9290511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK326884A DK326884A (da) | 1983-07-05 | 1984-07-04 | Fremgangsmaade til fremstilling af phosphorsyre med genvinding af fluor- og siliciumholdige forbindelser |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US4557915A (fi) |
| EP (1) | EP0130917B1 (fi) |
| JP (1) | JPS6071505A (fi) |
| KR (1) | KR850001121A (fi) |
| AT (1) | ATE23141T1 (fi) |
| AU (1) | AU572165B2 (fi) |
| BR (1) | BR8403290A (fi) |
| CA (1) | CA1251617A (fi) |
| DE (1) | DE3461068D1 (fi) |
| DK (1) | DK326884A (fi) |
| EG (1) | EG16291A (fi) |
| ES (1) | ES533998A0 (fi) |
| FI (1) | FI74933C (fi) |
| FR (1) | FR2548653B1 (fi) |
| GR (1) | GR82174B (fi) |
| IL (1) | IL72273A (fi) |
| IN (1) | IN161532B (fi) |
| JO (1) | JO1382B1 (fi) |
| MA (1) | MA20162A1 (fi) |
| OA (2) | OA07738A (fi) |
| PH (1) | PH22150A (fi) |
| PT (1) | PT78846B (fi) |
| TR (1) | TR22014A (fi) |
| YU (1) | YU44173B (fi) |
| ZA (1) | ZA845114B (fi) |
| ZW (1) | ZW10584A1 (fi) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2598402B1 (fr) * | 1986-05-07 | 1990-06-01 | Rhone Poulenc Chimie | Procede de nettoyage de surfaces filtrantes |
| US5084261A (en) * | 1989-06-22 | 1992-01-28 | Occidental Chemical Corporation | Recovery and utilization of gypstack leachate in hemihydrate phosphoric acid process |
| 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 |
| US6676914B1 (en) * | 2000-06-09 | 2004-01-13 | Hf Extraction, Llc | Phosphate acidulation utilizing HF acid |
| US20020072796A1 (en) * | 2000-12-11 | 2002-06-13 | Hoffmann Laurent G. | Iris fixated intraocular lenses |
| CN102755973A (zh) * | 2012-07-23 | 2012-10-31 | 瓮福（集团）有限责任公司 | 一种萃余酸生产晶体磷酸一铵的滤布清洗方法 |
| CN103754824A (zh) * | 2013-07-31 | 2014-04-30 | 山东博丰利众化工有限公司 | 利用磷肥副产氟硅酸制备氟化氢的方法 |
| CN113173566B (zh) * | 2021-04-21 | 2022-03-25 | 中国五环工程有限公司 | 一种高收率水合晶相重构湿法磷酸生产工艺 |
| CN113185160B (zh) * | 2021-04-21 | 2022-03-29 | 中国五环工程有限公司 | 控制半水石膏粗大结晶的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636806A (en) * | 1950-05-19 | 1953-04-28 | Tennessee Corp | Acidulation of phosphate rock |
| FR1274486A (fr) * | 1959-08-10 | 1961-10-27 | Minnesota Mining & Mfg | Papier copiant |
| NL300215A (fi) * | 1962-11-09 | |||
| IT723814A (fi) * | 1964-08-03 | |||
| US3498746A (en) * | 1967-11-29 | 1970-03-03 | United States Steel Corp | Recovery of fluosilicic acid and p2o5 from recycle streams and pond water |
| IN154778B (fi) * | 1981-02-27 | 1984-12-15 | Dharamsi Morarji Chemical Comp | |
| DE3365775D1 (en) * | 1982-02-23 | 1986-10-09 | Dharamsi Morarji Chemical Comp | A process to manufacture commercially acceptable phosphoric acid and gypsum from rock phosphate |
-
1983
- 1983-07-05 FR FR8311140A patent/FR2548653B1/fr not_active Expired
-
1984
- 1984-06-22 JP JP59127660A patent/JPS6071505A/ja active Pending
- 1984-06-27 EG EG401/84A patent/EG16291A/xx active
- 1984-06-29 DE DE8484401388T patent/DE3461068D1/de not_active Expired
- 1984-06-29 AT AT84401388T patent/ATE23141T1/de not_active IP Right Cessation
- 1984-06-29 EP EP84401388A patent/EP0130917B1/fr not_active Expired
- 1984-07-01 IL IL72273A patent/IL72273A/xx unknown
- 1984-07-03 PH PH30912A patent/PH22150A/en unknown
- 1984-07-03 YU YU1160/84A patent/YU44173B/xx unknown
- 1984-07-03 BR BR8403290A patent/BR8403290A/pt unknown
- 1984-07-03 MA MA20386A patent/MA20162A1/fr unknown
- 1984-07-04 OA OA58332A patent/OA07738A/xx unknown
- 1984-07-04 ES ES533998A patent/ES533998A0/es active Granted
- 1984-07-04 AU AU30250/84A patent/AU572165B2/en not_active Ceased
- 1984-07-04 FI FI842693A patent/FI74933C/fi not_active IP Right Cessation
- 1984-07-04 CA CA000458065A patent/CA1251617A/fr not_active Expired
- 1984-07-04 DK DK326884A patent/DK326884A/da not_active Application Discontinuation
- 1984-07-04 IN IN485/MAS/84A patent/IN161532B/en unknown
- 1984-07-04 TR TR22014A patent/TR22014A/xx unknown
- 1984-07-04 ZW ZW105/84A patent/ZW10584A1/xx unknown
- 1984-07-04 GR GR75189A patent/GR82174B/el unknown
- 1984-07-04 PT PT78846A patent/PT78846B/pt unknown
- 1984-07-04 ZA ZA845114A patent/ZA845114B/xx unknown
- 1984-07-05 JO JO19841382A patent/JO1382B1/en active
- 1984-07-05 OA OA58334A patent/OA07740A/xx unknown
- 1984-07-05 US US06/627,672 patent/US4557915A/en not_active Expired - Fee Related
- 1984-07-05 KR KR1019840003887A patent/KR850001121A/ko not_active IP Right Cessation
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK326884D0 (da) | Fremgangsmaade til fremstilling af phosphorsyre med genvinding af fluor- og siliciumholdige forbindelser | |
| DK453385A (da) | Fremgangsmaade til rensning af isaer pesticidholdigt spildevand | |
| IL66660A0 (en) | Process for after-treating extraction residues originating from the decontamination of phosphoric acid | |
| ES527210A0 (es) | Procedimiento para la purificacion de acido fosforico bruto de procedimiento en humedo | |
| JPS56113391A (en) | Disposal of waste water containing fluorine compound | |
| JPS5632320A (en) | Recovering method for potassium silicofluoride from wet process phosphoric acid solution | |
| JPS57156325A (en) | Recovery of thiocyanate salt | |
| PT78446A (en) | Process for methacrylic recovery | |
| JPS5691826A (en) | Separation of carbon isotope by chemical exchange method | |
| JPS54107585A (en) | Preparation of pure heparitinase | |
| JPS55160734A (en) | Development recovery of formaldehyde | |
| JPS56117791A (en) | Purification of kallikrein | |
| RO117612B1 (ro) | Procedeu de desulfurare a apelor uzate, provenite de la fabricarea hidrogenului sulfurat | |
| FI841520A (fi) | Aotervinning av metakrylsyra. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |