GB1111078A - Method for manufacturing phosphoric acid and hemihydrate calcium sulphate by the wet process - Google Patents
Method for manufacturing phosphoric acid and hemihydrate calcium sulphate by the wet processInfo
- Publication number
- GB1111078A GB1111078A GB29568/66A GB2956866A GB1111078A GB 1111078 A GB1111078 A GB 1111078A GB 29568/66 A GB29568/66 A GB 29568/66A GB 2956866 A GB2956866 A GB 2956866A GB 1111078 A GB1111078 A GB 1111078A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phosphoric acid
- wet process
- calcium sulphate
- liquid
- gypsum
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 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 abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 229910052602 gypsum Inorganic materials 0.000 abstract 3
- 239000010440 gypsum Substances 0.000 abstract 3
- 239000007788 liquid Substances 0.000 abstract 3
- 235000011007 phosphoric acid Nutrition 0.000 abstract 3
- 229910019142 PO4 Inorganic materials 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 235000021317 phosphate Nutrition 0.000 abstract 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- 229910052925 anhydrite Inorganic materials 0.000 abstract 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000003016 phosphoric acids Chemical class 0.000 abstract 1
- 238000001953 recrystallisation Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 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 (1)
Publication Number | Publication Date |
---|---|
GB1111078A true GB1111078A (en) | 1968-04-24 |
Family
ID=19724362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29568/66A Expired GB1111078A (en) | 1965-07-07 | 1966-07-01 | Method for manufacturing phosphoric acid and hemihydrate calcium sulphate by the wet process |
Country Status (16)
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4059674A (en) * | 1972-07-18 | 1977-11-22 | Pullman Incorporated | Method for manufacturing phosphoric acid and gypsum |
CN1960941B (zh) * | 2004-06-01 | 2010-09-08 | 普拉昂技术公司 | 生产磷酸的方法 |
CN111807340A (zh) * | 2019-04-10 | 2020-10-23 | 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 |
Families Citing this family (12)
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 |
SE440069B (sv) * | 1982-12-22 | 1985-07-15 | Boliden Ab | Forfarande for omkristallisation av gips |
EP0226690B1 (fr) * | 1985-12-23 | 1992-03-11 | Société Chimique PRAYON-RUPEL Société Anonyme | Procédé de traitement du sulfate de calcium hémihydraté forme alpha et produit obtenu |
BE1019055A3 (fr) | 2009-12-02 | 2012-02-07 | Prayon Technologies | Procede de production d'acide phosphorique. |
BR112013030374B1 (pt) | 2011-06-01 | 2019-12-31 | Prayon Tech | método para a produção de ácido fosfórico |
PL2771280T3 (pl) | 2011-10-24 | 2018-10-31 | Hydrometal Sa | Sposób obróbki skał fosfatowych |
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 |
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 FR FR67756A patent/FR1485940A/fr not_active Expired
- 1966-06-30 NL NL6609093A patent/NL6609093A/xx unknown
- 1966-06-30 DE DE1966S0104558 patent/DE1567821B1/de 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 OA OA52506A patent/OA02091A/xx unknown
- 1966-07-01 NO NO163756A patent/NO116287B/no unknown
- 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
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4059674A (en) * | 1972-07-18 | 1977-11-22 | Pullman Incorporated | Method for manufacturing phosphoric acid and gypsum |
CN1960941B (zh) * | 2004-06-01 | 2010-09-08 | 普拉昂技术公司 | 生产磷酸的方法 |
CN111807340A (zh) * | 2019-04-10 | 2020-10-23 | 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 |
Also Published As
Publication number | Publication date |
---|---|
OA02091A (fr) | 1970-05-05 |
NO116287B (enrdf_load_stackoverflow) | 1969-03-03 |
AT269064B (de) | 1969-03-10 |
FI47652C (fi) | 1974-02-11 |
ES329179A1 (es) | 1967-05-01 |
IL26076A (en) | 1970-07-19 |
BG20319A3 (enrdf_load_stackoverflow) | 1975-11-05 |
BE683739A (enrdf_load_stackoverflow) | 1967-01-06 |
DK130955B (da) | 1975-05-12 |
NL6609093A (enrdf_load_stackoverflow) | 1967-01-09 |
SU378002A3 (enrdf_load_stackoverflow) | 1973-04-17 |
FR1485940A (fr) | 1967-06-23 |
LU49007A1 (enrdf_load_stackoverflow) | 1967-01-09 |
SE336775B (enrdf_load_stackoverflow) | 1971-07-19 |
DK130955C (enrdf_load_stackoverflow) | 1975-12-29 |
FI47652B (enrdf_load_stackoverflow) | 1973-10-31 |
DE1567821B1 (de) | 1971-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1111078A (en) | Method for manufacturing phosphoric acid and hemihydrate calcium sulphate by the wet process | |
US2567227A (en) | Production of calcium phosphate | |
ES444944A1 (es) | Un procedimiento de lixiviacion sulfurica de minerales de cinc silicatados. | |
ES428307A1 (es) | Procedimiento de tratamiento de una materia que contiene zinc y silice soluble. | |
ES310273A1 (es) | Procedimiento para la purificacion del yeso residual de la fabricacion de acido fosforico por ataque sulfurico de fosfatos naturales | |
GB1135063A (en) | Process for the purification of malic acid | |
GB357041A (en) | Method of producing concentrated phosphoric acid | |
DE1287053C2 (de) | Verfahren zur Entfernung von Flour aus Phosphorsaeure | |
GB864886A (en) | Method of defluorinating phosphoric acid | |
US1667693A (en) | Method of making copperas | |
GB356627A (en) | Method of leaching phosphate rock | |
GB1094539A (en) | A new or improved method of manufacturing phosphoric acid | |
US2118802A (en) | Method of conserving pickling liquor | |
FR2383132A1 (fr) | Procede de traitement thermique des boues excedentaires des stations d'epuration biologique d'eaux residuaires domestiques ou industrielles | |
GB1077359A (en) | Method for the regeneration of spent pickle liquor | |
DE3268853D1 (en) | Process for the preparation of calcium sulphate anhydrite | |
GB650341A (en) | Method for the production of amido sulphonic acid | |
GB750496A (en) | Improvements in or relating to spent pickling acids | |
AT92474B (de) | Verfahren zur Vorbehandlung der Sulfitablauge für die Vergärung. | |
DE2233189C2 (de) | Verfahren zur Herstellung von reinem Calciumsulfathalbhydrat | |
SU1147694A1 (ru) | Способ получени фосфорной кислоты | |
JPS5641815A (en) | Purifying method for wet process phosphoric acid solution | |
CN118026117A (zh) | 以萃余酸制磷酸氢二钾或磷酸二氢钾并副产硫酸钾的方法 | |
GB572128A (en) | Improvements in method for recovering quebrachitol from rubber latex serum | |
SU51767A1 (ru) | Способ извлечени редких земель из апатитов при помощи фосфорной кислоты |