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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 process

Info

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
Application number
GB29568/66A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prayon SA
Original Assignee
Prayon SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Prayon SA filed Critical Prayon SA
Publication of GB1111078A publication Critical patent/GB1111078A/en
Expired legal-status Critical Current

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)
GB29568/66A 1965-07-07 1966-07-01 Method for manufacturing phosphoric acid and hemihydrate calcium sulphate by the wet process Expired GB1111078A (en)

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)

Country Link
AT (1) AT269064B (xx)
BE (1) BE683739A (xx)
BG (1) BG20319A3 (xx)
DE (1) DE1567821B1 (xx)
DK (1) DK130955B (xx)
ES (1) ES329179A1 (xx)
FI (1) FI47652C (xx)
FR (1) FR1485940A (xx)
GB (1) GB1111078A (xx)
IL (1) IL26076A (xx)
LU (1) LU49007A1 (xx)
NL (1) NL6609093A (xx)
NO (1) NO116287B (xx)
OA (1) OA02091A (xx)
SE (1) SE336775B (xx)
SU (1) SU378002A3 (xx)

Cited By (3)

* Cited by examiner, † Cited by third party
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 (10)

* Cited by examiner, † Cited by third party
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
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.
BE1019055A3 (fr) 2009-12-02 2012-02-07 Prayon Technologies Procede de production d'acide phosphorique.
CA2837495C (en) 2011-06-01 2018-01-09 Prayon Technologies A method for producing phosphoric acid of the dihydrate/hemihydrate type
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

Cited By (3)

* Cited by examiner, † Cited by third party
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
FR1485940A (fr) 1967-06-23
FI47652C (fi) 1974-02-11
DE1567821B1 (de) 1971-08-12
BE683739A (xx) 1967-01-06
IL26076A (en) 1970-07-19
NL6609093A (xx) 1967-01-09
LU49007A1 (xx) 1967-01-09
AT269064B (de) 1969-03-10
OA02091A (fr) 1970-05-05
FI47652B (xx) 1973-10-31
DK130955C (xx) 1975-12-29
SE336775B (xx) 1971-07-19
BG20319A3 (xx) 1975-11-05
SU378002A3 (xx) 1973-04-17
ES329179A1 (es) 1967-05-01
DK130955B (da) 1975-05-12
NO116287B (xx) 1969-03-03

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