ES459562A1 - Un procedimiento para la obtencion de yeso calcinable. - Google Patents

Un procedimiento para la obtencion de yeso calcinable.

Info

Publication number
ES459562A1
ES459562A1 ES459562A ES459562A ES459562A1 ES 459562 A1 ES459562 A1 ES 459562A1 ES 459562 A ES459562 A ES 459562A ES 459562 A ES459562 A ES 459562A ES 459562 A1 ES459562 A1 ES 459562A1
Authority
ES
Spain
Prior art keywords
gypsum
production
calcinable
powdered compound
forming pellets
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
ES459562A
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.)
Tioxide Group Ltd
Original Assignee
Tioxide Group Ltd
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 Tioxide Group Ltd filed Critical Tioxide Group Ltd
Publication of ES459562A1 publication Critical patent/ES459562A1/es
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
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Glanulating (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

Un procedimiento para la obtención de yeso calcinable, que comprende agitar yeso húmedo para formar nódulos, y, cuando se observa humedad en la superficie de los nódulos que se forman, añadir a ellos un compuesto de calcio pulverulento substancialmente seco hasta que los nódulos que se forman se recubren con el compuesto pulverulento y son capaces de fluir libremente.
ES459562A 1976-06-11 1977-06-07 Un procedimiento para la obtencion de yeso calcinable. Expired ES459562A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24203/76A GB1523815A (en) 1976-06-11 1976-06-11 Production of calcinalbe gypsum

Publications (1)

Publication Number Publication Date
ES459562A1 true ES459562A1 (es) 1978-04-16

Family

ID=10208010

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459562A Expired ES459562A1 (es) 1976-06-11 1977-06-07 Un procedimiento para la obtencion de yeso calcinable.

Country Status (9)

Country Link
US (1) US4112035A (es)
JP (1) JPS52152897A (es)
AU (1) AU501942B2 (es)
CA (1) CA1073481A (es)
DE (1) DE2724126A1 (es)
ES (1) ES459562A1 (es)
FR (1) FR2354297A1 (es)
GB (1) GB1523815A (es)
ZA (1) ZA772475B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3239768A1 (de) * 1982-10-27 1984-05-03 Huels Chemische Werke Ag Verfahren zur verbesserung der fliess- und foerderfaehigkeit von feuchten calciumsulfat-niederschlaegen
US4503018A (en) * 1983-02-14 1985-03-05 Davy Mckee Corporation Desulfurization of phosphogypsum
US4946658A (en) * 1986-11-06 1990-08-07 Florida Institute Of Phosphate Research Addition of pyritic materials to feed mix for desulfurization of phosphogypsum
US5273547A (en) * 1988-04-29 1993-12-28 Carus Corporation Sorel cementitious composition which time releases permanganate ion
US5261924A (en) * 1988-04-29 1993-11-16 Carus Corporation Layered cementitous composition which time releases permanganate ion
US5152804A (en) * 1988-04-29 1992-10-06 Carus Corporation Permanganate-containing pellets and method of manufacture
US5173232A (en) * 1991-04-25 1992-12-22 Holley Carl A Process for agglomerating stack gas desulfurization residue

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169355B (de) * 1961-06-16 1964-04-30 Knauf Geb Verfahren zur Herstellung grossstueckiger Produkte aus feinkoernig anfallendem schwefel-saurem Kalzium, das in der chemischen Industrie abfaellt
DE1646972A1 (de) * 1967-09-26 1971-08-12 Rigips Baustoffwerke Gmbh Verfahren zur Granulierung von Kalziumsulfat-Halbhydrat
DE1937422B2 (de) * 1969-07-23 1976-03-25 Gebrüder Giulini GmbH, 6700 Ludwigshafen Verfahren zum granulieren von kondensierten phosphaten
AT299789B (de) * 1970-04-28 1972-06-26 Eduard Dipl Ing Dr Eipeltauer Verfahren zur Herstellung von rieselfähigem Gut aus Industrie-Abfallschlämmen
US3793841A (en) * 1971-01-25 1974-02-26 United States Gypsum Co Method of making and using soil stabilizer
JPS5210794B2 (es) * 1974-05-27 1977-03-26
US3956445A (en) * 1974-08-21 1976-05-11 Phillips Petroleum Company Pelleting of carbon black

Also Published As

Publication number Publication date
GB1523815A (en) 1978-09-06
AU501942B2 (en) 1979-07-05
FR2354297A1 (fr) 1978-01-06
JPS52152897A (en) 1977-12-19
CA1073481A (en) 1980-03-11
AU2476677A (en) 1978-11-09
FR2354297B1 (es) 1983-12-23
DE2724126A1 (de) 1977-12-22
US4112035A (en) 1978-09-05
ZA772475B (en) 1978-12-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971103