ES329179A1 - Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda. - Google Patents

Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda.

Info

Publication number
ES329179A1
ES329179A1 ES0329179A ES329179A ES329179A1 ES 329179 A1 ES329179 A1 ES 329179A1 ES 0329179 A ES0329179 A ES 0329179A ES 329179 A ES329179 A ES 329179A ES 329179 A1 ES329179 A1 ES 329179A1
Authority
ES
Spain
Prior art keywords
calcium sulfate
gypsum
phosphoric acid
translation
manufacture
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
ES0329179A
Other languages
English (en)
Spanish (es)
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 ES329179A1 publication Critical patent/ES329179A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00Calcium sulfate cements
    • C04B11/26Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation 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)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Special Chairs (AREA)
ES0329179A 1965-07-07 1966-07-06 Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda. Expired ES329179A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU49007 1965-07-07

Publications (1)

Publication Number Publication Date
ES329179A1 true ES329179A1 (es) 1967-05-01

Family

ID=19724362

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0329179A Expired ES329179A1 (es) 1965-07-07 1966-07-06 Procedimiento para la fabricacion de acido fosforico y de sulfato de calcio hemihidrato por via humeda.

Country Status (16)

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

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
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
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.
US9371230B2 (en) 2011-06-01 2016-06-21 Prayton Technologies Dihydrate-hemihydrate process for producing phosphoric acid
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
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
SE336775B (sl) 1971-07-19
OA02091A (fr) 1970-05-05
NO116287B (sl) 1969-03-03
DE1567821B1 (de) 1971-08-12
BE683739A (sl) 1967-01-06
AT269064B (de) 1969-03-10
NL6609093A (sl) 1967-01-09
DK130955B (da) 1975-05-12
FI47652C (fi) 1974-02-11
FI47652B (sl) 1973-10-31
FR1485940A (fr) 1967-06-23
IL26076A (en) 1970-07-19
DK130955C (sl) 1975-12-29
GB1111078A (en) 1968-04-24
BG20319A3 (sl) 1975-11-05
SU378002A3 (sl) 1973-04-17
LU49007A1 (sl) 1967-01-09

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