FR2453118B1 - Procede pour la production d'un melange d'anhydrite-gypse a base d'anhydrite synthetique a particules fines et application du melange obtenu dans l'exploitation miniere du charbon - Google Patents

Procede pour la production d'un melange d'anhydrite-gypse a base d'anhydrite synthetique a particules fines et application du melange obtenu dans l'exploitation miniere du charbon

Info

Publication number
FR2453118B1
FR2453118B1 FR8001665A FR8001665A FR2453118B1 FR 2453118 B1 FR2453118 B1 FR 2453118B1 FR 8001665 A FR8001665 A FR 8001665A FR 8001665 A FR8001665 A FR 8001665A FR 2453118 B1 FR2453118 B1 FR 2453118B1
Authority
FR
France
Prior art keywords
anhydrite
mixture
mining
coal
production
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
FR8001665A
Other languages
English (en)
French (fr)
Other versions
FR2453118A1 (fr
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.)
Knauf Gips KG
Original Assignee
Gebr Knauf Westdeutsche Gipswerke
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 Gebr Knauf Westdeutsche Gipswerke filed Critical Gebr Knauf Westdeutsche Gipswerke
Publication of FR2453118A1 publication Critical patent/FR2453118A1/fr
Application granted granted Critical
Publication of FR2453118B1 publication Critical patent/FR2453118B1/fr
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
    • C04B11/06—Calcium sulfate cements starting from anhydrite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Detergent Compositions (AREA)
FR8001665A 1979-02-03 1980-01-25 Procede pour la production d'un melange d'anhydrite-gypse a base d'anhydrite synthetique a particules fines et application du melange obtenu dans l'exploitation miniere du charbon Expired FR2453118B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792904071 DE2904071B1 (de) 1979-02-03 1979-02-03 Verfahren zur Herstellung eines Anhydrit-Gipsgemisches aus feinteiligem synthetischen Anhydrit

Publications (2)

Publication Number Publication Date
FR2453118A1 FR2453118A1 (fr) 1980-10-31
FR2453118B1 true FR2453118B1 (fr) 1985-11-22

Family

ID=6062057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001665A Expired FR2453118B1 (fr) 1979-02-03 1980-01-25 Procede pour la production d'un melange d'anhydrite-gypse a base d'anhydrite synthetique a particules fines et application du melange obtenu dans l'exploitation miniere du charbon

Country Status (4)

Country Link
BE (1) BE881438A (enrdf_load_stackoverflow)
DE (1) DE2904071B1 (enrdf_load_stackoverflow)
FR (1) FR2453118B1 (enrdf_load_stackoverflow)
NL (1) NL8000176A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205147A1 (de) * 1982-02-13 1983-08-18 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Hydraulisch abbindendes mehrkomponenten-gemisch als ausbau- und versatzmaterial im grubenbetrieb
DE3827612A1 (de) * 1988-08-13 1990-02-15 Viktor Dr Ing Gobiet Baustoff fuer die verwendung im untertagebetrieb

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1180181A (fr) * 1957-07-26 1959-06-02 Electricite De France Procédé de consolidation des terrains de gypse et d'anhydrite
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
DE1297563B (de) * 1966-03-11 1969-06-19 Knauf Westdeutsche Gips Herstellung von Streb-Streckendaemmen und Ausbaupfeilern im Grubenbetrieb
DE2205028C3 (de) * 1972-02-03 1978-08-24 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung eines pneumatisch förderbaren Anhydrits
DE2216039C3 (de) * 1972-04-01 1981-09-17 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Hydraulisch abbindendes Material für Ausbauzwecke im Bergbau
JPS5361590A (en) * 1976-11-16 1978-06-02 Central Glass Co Ltd Production of granular dihydrate gypsum from hydrofluoric acid by-productgypsum
DE2658915C3 (de) * 1976-12-24 1987-06-19 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Verfahren zur Herstellung von stückigem Calciumsulfat-Dihydrat
BR7905689A (pt) * 1978-09-05 1980-05-13 United States Gypsum Co Processo aperfeicoado para fabricar prancha de gesso e processo aperfeicoado para preparar e fabricar gesso calcinado

Also Published As

Publication number Publication date
DE2904071C2 (enrdf_load_stackoverflow) 1983-12-29
NL8000176A (nl) 1980-08-05
FR2453118A1 (fr) 1980-10-31
BE881438A (fr) 1980-05-16
DE2904071B1 (de) 1980-07-24

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Legal Events

Date Code Title Description
ST Notification of lapse