ES329179A1 - Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda. - Google Patents
Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda.Info
- Publication number
- ES329179A1 ES329179A1 ES0329179A ES329179A ES329179A1 ES 329179 A1 ES329179 A1 ES 329179A1 ES 0329179 A ES0329179 A ES 0329179A ES 329179 A ES329179 A ES 329179A ES 329179 A1 ES329179 A1 ES 329179A1
- Authority
- ES
- Spain
- Prior art keywords
- calcium sulfate
- gypsum
- phosphoric acid
- translation
- manufacture
- 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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
-
- 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)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Special Chairs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU49007 | 1965-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES329179A1 true ES329179A1 (es) | 1967-05-01 |
Family
ID=19724362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0329179A Expired ES329179A1 (es) | 1965-07-07 | 1966-07-06 | Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda. |
Country Status (16)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984525A (en) * | 1967-02-01 | 1976-10-05 | Albright & Wilson Limited | Manufacture of phosphoric acid |
| FR2171861A1 (en) * | 1972-02-11 | 1973-09-28 | Cerphos | Phosphoric acid prodn - with wet screening of digester product |
| DE2233189C2 (de) * | 1972-07-06 | 1986-06-26 | Ruhr-Stickstoff Ag, 4630 Bochum | Verfahren zur Herstellung von reinem Calciumsulfathalbhydrat |
| US4059674A (en) * | 1972-07-18 | 1977-11-22 | Pullman Incorporated | Method for manufacturing phosphoric acid and gypsum |
| SE440069B (sv) * | 1982-12-22 | 1985-07-15 | Boliden Ab | Forfarande for omkristallisation av gips |
| DE3585627D1 (de) * | 1985-12-23 | 1992-04-16 | Prayon Rupel S A Soc Chimique | Verfahren zur behandlung von alpha-calciumsulfat-halbhydrat und nach dem vefahren erhaltenes produkt. |
| BE1016065A3 (fr) * | 2004-06-01 | 2006-02-07 | Prayon Technologies | Procede de production d'acide phosphorique. |
| BE1019055A3 (fr) | 2009-12-02 | 2012-02-07 | Prayon Technologies | Procede de production d'acide phosphorique. |
| MX339999B (es) | 2011-06-01 | 2016-06-20 | Prayon Tech | Procedimiento de produccion de acido fosforico de tipo dihidratado/hemihidratado. |
| EP2771280B1 (fr) | 2011-10-24 | 2018-02-21 | Hydrometal SA | Procede de traitement de roches phosphatees |
| CN104528798A (zh) * | 2014-12-16 | 2015-04-22 | 中国科学院青海盐湖研究所 | 重结晶提纯低品位天然石膏或石膏尾矿的方法 |
| DE102016212242B4 (de) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
| CN111807340B (zh) * | 2019-04-10 | 2023-07-21 | 中石化南京工程有限公司 | 一种半水-二水法磷酸生产装置及方法 |
-
1965
- 1965-07-07 LU LU49007D patent/LU49007A1/xx unknown
-
1966
- 1966-06-30 DE DE1966S0104558 patent/DE1567821B1/de not_active Withdrawn
- 1966-06-30 FR FR67756A patent/FR1485940A/fr not_active Expired
- 1966-06-30 NL NL6609093A patent/NL6609093A/xx unknown
- 1966-07-01 NO NO163756A patent/NO116287B/no unknown
- 1966-07-01 IL IL26076A patent/IL26076A/en unknown
- 1966-07-01 OA OA52506A patent/OA02091A/xx unknown
- 1966-07-01 GB GB29568/66A patent/GB1111078A/en not_active Expired
- 1966-07-04 BG BG6676A patent/BG20319A3/xx unknown
- 1966-07-04 FI FI661783A patent/FI47652C/fi active
- 1966-07-05 AT AT639966A patent/AT269064B/de active
- 1966-07-06 SE SE09245/66A patent/SE336775B/xx unknown
- 1966-07-06 SU SU1090097A patent/SU378002A3/ru active
- 1966-07-06 ES ES0329179A patent/ES329179A1/es not_active Expired
- 1966-07-06 BE BE683739D patent/BE683739A/xx unknown
- 1966-07-07 DK DK353066AA patent/DK130955B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1485940A (fr) | 1967-06-23 |
| NL6609093A (US06521211-20030218-C00004.png) | 1967-01-09 |
| DK130955B (da) | 1975-05-12 |
| GB1111078A (en) | 1968-04-24 |
| BG20319A3 (US06521211-20030218-C00004.png) | 1975-11-05 |
| FI47652B (US06521211-20030218-C00004.png) | 1973-10-31 |
| OA02091A (fr) | 1970-05-05 |
| FI47652C (fi) | 1974-02-11 |
| IL26076A (en) | 1970-07-19 |
| NO116287B (US06521211-20030218-C00004.png) | 1969-03-03 |
| LU49007A1 (US06521211-20030218-C00004.png) | 1967-01-09 |
| BE683739A (US06521211-20030218-C00004.png) | 1967-01-06 |
| DE1567821B1 (de) | 1971-08-12 |
| SE336775B (US06521211-20030218-C00004.png) | 1971-07-19 |
| SU378002A3 (US06521211-20030218-C00004.png) | 1973-04-17 |
| AT269064B (de) | 1969-03-10 |
| DK130955C (US06521211-20030218-C00004.png) | 1975-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES329179A1 (es) | Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda. | |
| ES346854A1 (es) | Un procedimiento para la produccion de acido fosforico. | |
| ES8301849A1 (es) | Procedimiento e instalacion para la preparacion de yeso se- mihidratado alfa | |
| GB1205122A (en) | Process for the production of phosphoric acid | |
| GB1103206A (en) | Process for the purification of residual gypsum arising in the manufacture of phosphoric acid by sulphuric reaction of natural phosphates | |
| ES439139A1 (es) | Un procedimiento para mejorar el grado de filtracion de cristales de yeso. | |
| GB313036A (en) | Method of leaching raw phosphate | |
| GB1328357A (en) | Wet process for the manufacture of phosphoric acid and caldium sulphate | |
| ATE5646T1 (de) | Verfahren zur herstellung von phosphorsaeure und calciumsulfat-anhydrit. | |
| ES330957A1 (es) | Un procedimiento continuo para la preparacion de acido fosforico y yeso. | |
| ES405450A1 (es) | Procedimiento para preparar acido fosforico. | |
| ES310115A1 (es) | Un procedimiento para la produccion de acido fosforico y de cristales de yeso. | |
| 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 | |
| GB1209911A (en) | Manufacture of phosphoric acid | |
| SU60405A1 (ru) | Способ получени суперфосфата | |
| ES315328A1 (es) | Procedimiento para la fabricacion de acido fosforico. | |
| JPS5248262A (en) | Method of treatment of waste water from phosphoric acid wet production plant | |
| ES356722A1 (es) | Procedimiento e instalacion para el tratamiento de cuerpos solidos en suspension en un liquido acuoso. | |
| SU72755A1 (ru) | Способ получени гексаметафосфата натри из фосфорной кислоты (или суперфосфатной выт жки) и сульфата натри | |
| JPS5299992A (en) | Production of alpha-type hemihydrate gypsum of prismatic crystal from phosphoric acid by-product dihydrate gypsum | |
| SU467028A1 (ru) | Способ получени фосфорной кислоты и полугидрата сульфата кальци | |
| JPS5299993A (en) | Production of 2-type alpha hemihydrate gypsum of needle-like crystal from phosphoric acid by-product dihydrate gypsum | |
| GB357580A (en) | Method of leaching phosphate rock | |
| GB957985A (en) | Process for the preparation of 2:5-furandicarboxylic acid | |
| GB1243092A (en) | PROCESS FOR THE PREPARATION OF CALCIUM SULPHATE alpha-HEMIHYDRATE |