ES435989A1 - Procedimiento para mejorar las propiedades de yesos cocidosobtenidos por deshidratacion de fosfosulfatos de calcio. - Google Patents

Procedimiento para mejorar las propiedades de yesos cocidosobtenidos por deshidratacion de fosfosulfatos de calcio.

Info

Publication number
ES435989A1
ES435989A1 ES435989A ES435989A ES435989A1 ES 435989 A1 ES435989 A1 ES 435989A1 ES 435989 A ES435989 A ES 435989A ES 435989 A ES435989 A ES 435989A ES 435989 A1 ES435989 A1 ES 435989A1
Authority
ES
Spain
Prior art keywords
calcium
properties
cooked
gypsums
phosphated
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
ES435989A
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.)
Orkem SA
Original Assignee
Chimique des Charbonnages 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 Chimique des Charbonnages SA filed Critical Chimique des Charbonnages SA
Publication of ES435989A1 publication Critical patent/ES435989A1/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
    • 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
    • C04B22/00Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08Acids or salts thereof
    • C04B22/12Acids or salts thereof containing halogen in the anion
    • C04B22/126Fluorine compounds, e.g. silico-fluorine compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
ES435989A 1974-03-26 1975-03-25 Procedimiento para mejorar las propiedades de yesos cocidosobtenidos por deshidratacion de fosfosulfatos de calcio. Expired ES435989A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7410389A FR2265701B1 (da) 1974-03-26 1974-03-26

Publications (1)

Publication Number Publication Date
ES435989A1 true ES435989A1 (es) 1976-12-16

Family

ID=9136832

Family Applications (1)

Application Number Title Priority Date Filing Date
ES435989A Expired ES435989A1 (es) 1974-03-26 1975-03-25 Procedimiento para mejorar las propiedades de yesos cocidosobtenidos por deshidratacion de fosfosulfatos de calcio.

Country Status (13)

Country Link
JP (1) JPS50133224A (da)
AT (1) AT360414B (da)
BE (1) BE827168A (da)
DE (1) DE2512205A1 (da)
DK (1) DK126675A (da)
ES (1) ES435989A1 (da)
FR (1) FR2265701B1 (da)
GB (1) GB1468318A (da)
IE (1) IE40873B1 (da)
IL (1) IL46920A (da)
IT (1) IT1034515B (da)
LU (1) LU72118A1 (da)
NL (1) NL7503509A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413338A1 (fr) * 1977-12-09 1979-07-27 Ugine Kuhlmann Gypses pour preparation de liants d'anhydrite
US7585485B2 (en) * 2006-07-03 2009-09-08 Tripoliven, C.A. Process for the physiochemical conditioning of chemical gypsum or phospho-gypsum for use in formulation for cement and other construction materials

Also Published As

Publication number Publication date
IL46920A (en) 1978-06-15
NL7503509A (nl) 1975-09-30
FR2265701A1 (da) 1975-10-24
JPS50133224A (da) 1975-10-22
IT1034515B (it) 1979-10-10
AT360414B (de) 1980-01-12
BE827168A (fr) 1975-07-16
DK126675A (da) 1975-09-27
GB1468318A (en) 1977-03-23
IL46920A0 (en) 1975-05-22
IE40873L (en) 1975-09-26
ATA223575A (de) 1980-05-15
DE2512205A1 (de) 1975-10-09
LU72118A1 (da) 1975-08-20
IE40873B1 (en) 1979-08-29
FR2265701B1 (da) 1980-11-14

Similar Documents

Publication Publication Date Title
ES282084A1 (es) Procedimeinto con su aparato para obtención de ácido fosfórico, por proceso húmedo por el método de sulfato cálcico dihidrato-semihidrato
ES439139A1 (es) Un procedimiento para mejorar el grado de filtracion de cristales de yeso.
ES227612A1 (es) PROCEDIMIENTO PARA LA PRODUCCIoN DE FERTILIZANTES MEZCLADOS.
ES402577A1 (es) Procedimiento para evitar sedimentaciones petrificantes en sistemas acuosos.
ES435989A1 (es) Procedimiento para mejorar las propiedades de yesos cocidosobtenidos por deshidratacion de fosfosulfatos de calcio.
ES485113A1 (es) Procedimiento para la fabricacion de carton de yeso
ES449103A1 (es) Procedimiento para la preparacion de soluciones de fosfato de metales alcalinos con bajos contenidos de vanadio.
GB1435884A (en) Method of producing fibre-containing building members
GB1453381A (en) Method for preparing calcium sulphate plaster additives
GB1361042A (en) Hardenable compositions and methods of preparing them
ES435543A1 (es) Procedimiento para la fabricacion de un fundente sintetico compactado sobre la base de fluoruro de calcio.
GB1248885A (en) Manufacture of cement clinker
ES369090A2 (es) Un procedimiento continuo para la produccion de acido fos- forico.
ES471012A1 (es) Procedimiento de obtencion de sales de plomo a partir de sulfato de plomo
SU833521A1 (ru) Способ стабилизации полугидрата сульфа-TA КАльци
ES405450A1 (es) Procedimiento para preparar acido fosforico.
SU366166A1 (ru) СПОСОБ ПОЛУЧЕНИЯ ГИПСОВОГО ВЯЖУЩЕГОitijF»>&" *-^ '?
JPS535861A (en) Process for treating drain water containing phosphoric acid
JPS5943432B2 (ja) 繊維補強せつこう系硬化体の製造方法
ES352719A1 (es) Procedimiento para la fabricacion de hormigon de gas, endu-recido por medio de vapor.
JPS5248262A (en) Method of treatment of waste water from phosphoric acid wet production plant
ES434946A1 (es) Procedimiento para la obtencion de cisvincamina.
SU829571A1 (ru) Способ стабилизации полугидрата сульфатаКАльци
ES227614A1 (es) Un procedimiento para producir fertilizantes y productos derivados de los mismos.
JPS52120299A (en) Production of gypsum compositions from spent sulfuric acid