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
Application number
DK353066AA
Other languages
Danish (da)
English (en)
Other versions
DK130955C (xx
Inventor
Prayon
Original Assignee
Prayon
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 filed Critical Prayon
Publication of DK130955B publication Critical patent/DK130955B/da
Application granted granted Critical
Publication of DK130955C publication Critical patent/DK130955C/da

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)
DK353066AA 1965-07-07 1966-07-07 Fremgangsmåde til fremstilling af phosphorsyre og calciumsulfathemihydrat ad våd vej. DK130955B (da)

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 (xx) 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)

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)

Families Citing this family (13)

* 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
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.
KR101770814B1 (ko) 2011-06-01 2017-08-23 프라이온 테크놀로지스 디하이드레이트/헤미하이드레이트 유형의 인산 제조 방법
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

Also Published As

Publication number Publication date
BE683739A (xx) 1967-01-06
NL6609093A (xx) 1967-01-09
FR1485940A (fr) 1967-06-23
DE1567821B1 (de) 1971-08-12
BG20319A3 (xx) 1975-11-05
GB1111078A (en) 1968-04-24
IL26076A (en) 1970-07-19
FI47652C (fi) 1974-02-11
AT269064B (de) 1969-03-10
SE336775B (xx) 1971-07-19
FI47652B (xx) 1973-10-31
ES329179A1 (es) 1967-05-01
LU49007A1 (xx) 1967-01-09
NO116287B (xx) 1969-03-03
DK130955C (xx) 1975-12-29
SU378002A3 (xx) 1973-04-17
OA02091A (fr) 1970-05-05

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