DK130955B - Fremgangsmåde til fremstilling af phosphorsyre og calciumsulfathemihydrat ad våd vej. - Google Patents
Fremgangsmåde til fremstilling af phosphorsyre og calciumsulfathemihydrat ad våd vej.Info
- Publication number
- DK130955B DK130955B DK353066AA DK353066A DK130955B DK 130955 B DK130955 B DK 130955B DK 353066A A DK353066A A DK 353066AA DK 353066 A DK353066 A DK 353066A DK 130955 B DK130955 B DK 130955B
- Authority
- DK
- Denmark
- Prior art keywords
- preparation
- phosphoric acid
- calcium sulphate
- sulphate hemihydrate
- wet means
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 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 title 1
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 (2)
| Publication Number | Publication Date |
|---|---|
| DK130955B true DK130955B (da) | 1975-05-12 |
| DK130955C DK130955C (enrdf_load_stackoverflow) | 1975-12-29 |
Family
ID=19724362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK353066AA DK130955B (da) | 1965-07-07 | 1966-07-07 | Fremgangsmåde til fremstilling af phosphorsyre og calciumsulfathemihydrat ad våd vej. |
Country Status (16)
Families Citing this family (15)
| 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 |
| ATE73425T1 (de) * | 1985-12-23 | 1992-03-15 | Prayon Rupel Societe Anonyme S | 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. |
| ES2562034T3 (es) | 2011-06-01 | 2016-03-02 | Prayon Technologies | Procedimiento de producción de ácido fosfórico de tipo dihidrato/hemihidrato |
| CA2852131C (fr) | 2011-10-24 | 2019-04-30 | 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 |
| 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
- 1965-07-07 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 GB GB29568/66A patent/GB1111078A/en not_active Expired
- 1966-07-01 IL IL26076A patent/IL26076A/en unknown
- 1966-07-01 NO NO163756A patent/NO116287B/no unknown
- 1966-07-01 OA OA52506A patent/OA02091A/xx unknown
- 1966-07-04 FI FI661783A patent/FI47652C/fi active
- 1966-07-04 BG BG6676A patent/BG20319A3/xx unknown
- 1966-07-05 AT AT639966A patent/AT269064B/de active
- 1966-07-06 BE BE683739D patent/BE683739A/xx unknown
- 1966-07-06 ES ES0329179A patent/ES329179A1/es not_active Expired
- 1966-07-06 SE SE09245/66A patent/SE336775B/xx unknown
- 1966-07-06 SU SU1090097A patent/SU378002A3/ru active
- 1966-07-07 DK DK353066AA patent/DK130955B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI47652C (fi) | 1974-02-11 |
| NL6609093A (enrdf_load_stackoverflow) | 1967-01-09 |
| FR1485940A (fr) | 1967-06-23 |
| GB1111078A (en) | 1968-04-24 |
| NO116287B (enrdf_load_stackoverflow) | 1969-03-03 |
| LU49007A1 (enrdf_load_stackoverflow) | 1967-01-09 |
| OA02091A (fr) | 1970-05-05 |
| BG20319A3 (enrdf_load_stackoverflow) | 1975-11-05 |
| BE683739A (enrdf_load_stackoverflow) | 1967-01-06 |
| SU378002A3 (enrdf_load_stackoverflow) | 1973-04-17 |
| AT269064B (de) | 1969-03-10 |
| FI47652B (enrdf_load_stackoverflow) | 1973-10-31 |
| IL26076A (en) | 1970-07-19 |
| ES329179A1 (es) | 1967-05-01 |
| SE336775B (enrdf_load_stackoverflow) | 1971-07-19 |
| DE1567821B1 (de) | 1971-08-12 |
| DK130955C (enrdf_load_stackoverflow) | 1975-12-29 |
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