DK130955C - - Google Patents
Info
- Publication number
- DK130955C DK130955C DK353066A DK353066A DK130955C DK 130955 C DK130955 C DK 130955C DK 353066 A DK353066 A DK 353066A DK 353066 A DK353066 A DK 353066A DK 130955 C DK130955 C DK 130955C
- Authority
- DK
- Denmark
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU49007 | 1965-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK130955B DK130955B (en) | 1975-05-12 |
| DK130955C true DK130955C (en) | 1975-12-29 |
Family
ID=19724362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK353066AA DK130955B (en) | 1965-07-07 | 1966-07-07 | Process for the preparation of phosphoric acid and calcium sulphate hemihydrate by wet means. |
Country Status (16)
| Country | Link |
|---|---|
| AT (1) | AT269064B (en) |
| BE (1) | BE683739A (en) |
| BG (1) | BG20319A3 (en) |
| DE (1) | DE1567821B1 (en) |
| DK (1) | DK130955B (en) |
| ES (1) | ES329179A1 (en) |
| FI (1) | FI47652C (en) |
| FR (1) | FR1485940A (en) |
| GB (1) | GB1111078A (en) |
| IL (1) | IL26076A (en) |
| LU (1) | LU49007A1 (en) |
| NL (1) | NL6609093A (en) |
| NO (1) | NO116287B (en) |
| OA (1) | OA02091A (en) |
| SE (1) | SE336775B (en) |
| SU (1) | SU378002A3 (en) |
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 (en) * | 1972-07-06 | 1986-06-26 | Ruhr-Stickstoff Ag, 4630 Bochum | Process for the production of pure calcium sulfate hemihydrate |
| US4059674A (en) * | 1972-07-18 | 1977-11-22 | Pullman Incorporated | Method for manufacturing phosphoric acid and gypsum |
| SE440069B (en) * | 1982-12-22 | 1985-07-15 | Boliden Ab | PROCEDURE FOR RECYCLING GYPS |
| EP0226690B1 (en) * | 1985-12-23 | 1992-03-11 | Société Chimique PRAYON-RUPEL Société Anonyme | Process for the treatment of alpha calciumsulfat hemihydrate and the obtained product therefrom |
| BE1016065A3 (en) * | 2004-06-01 | 2006-02-07 | Prayon Technologies | Process phosphoric acid production. |
| BE1019055A3 (en) | 2009-12-02 | 2012-02-07 | Prayon Technologies | PROCESS FOR PRODUCING PHOSPHORIC ACID |
| JP5798241B2 (en) | 2011-06-01 | 2015-10-21 | プレイオン テクノロジーズ | Method for producing phosphoric acid of dihydrate / hemihydrate type |
| CA2852131C (en) | 2011-10-24 | 2019-04-30 | Hydrometal Sa | Method for treating phosphate rock |
| CN104528798A (en) * | 2014-12-16 | 2015-04-22 | 中国科学院青海盐湖研究所 | Method for purifying low-grade natural gypsum or gypsum tailings by recrystallization |
| DE102016212242B4 (en) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Process for the production of phosphoric acid from phosphorus-containing primary and secondary raw materials |
| CN111807340B (en) * | 2019-04-10 | 2023-07-21 | 中石化南京工程有限公司 | Semi-water-dihydrate phosphoric acid production device and method |
-
1965
- 1965-07-07 LU LU49007D patent/LU49007A1/xx unknown
-
1966
- 1966-06-30 NL NL6609093A patent/NL6609093A/xx unknown
- 1966-06-30 FR FR67756A patent/FR1485940A/en not_active Expired
- 1966-06-30 DE DE1966S0104558 patent/DE1567821B1/en not_active Withdrawn
- 1966-07-01 IL IL26076A patent/IL26076A/en unknown
- 1966-07-01 GB GB29568/66A patent/GB1111078A/en not_active Expired
- 1966-07-01 NO NO163756A patent/NO116287B/no unknown
- 1966-07-01 OA OA52506A patent/OA02091A/en unknown
- 1966-07-04 FI FI661783A patent/FI47652C/en active
- 1966-07-04 BG BG6676A patent/BG20319A3/xx unknown
- 1966-07-05 AT AT639966A patent/AT269064B/en active
- 1966-07-06 BE BE683739D patent/BE683739A/xx unknown
- 1966-07-06 SE SE09245/66A patent/SE336775B/xx unknown
- 1966-07-06 ES ES0329179A patent/ES329179A1/en not_active Expired
- 1966-07-06 SU SU1090097A patent/SU378002A3/ru active
- 1966-07-07 DK DK353066AA patent/DK130955B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1567821B1 (en) | 1971-08-12 |
| OA02091A (en) | 1970-05-05 |
| LU49007A1 (en) | 1967-01-09 |
| AT269064B (en) | 1969-03-10 |
| ES329179A1 (en) | 1967-05-01 |
| IL26076A (en) | 1970-07-19 |
| SU378002A3 (en) | 1973-04-17 |
| SE336775B (en) | 1971-07-19 |
| BG20319A3 (en) | 1975-11-05 |
| NL6609093A (en) | 1967-01-09 |
| FI47652B (en) | 1973-10-31 |
| NO116287B (en) | 1969-03-03 |
| FI47652C (en) | 1974-02-11 |
| GB1111078A (en) | 1968-04-24 |
| DK130955B (en) | 1975-05-12 |
| FR1485940A (en) | 1967-06-23 |
| BE683739A (en) | 1967-01-06 |