FR2375147A1 - Procede de fabrication de sulfate de calcium en morceaux - Google Patents

Procede de fabrication de sulfate de calcium en morceaux

Info

Publication number
FR2375147A1
FR2375147A1 FR7738481A FR7738481A FR2375147A1 FR 2375147 A1 FR2375147 A1 FR 2375147A1 FR 7738481 A FR7738481 A FR 7738481A FR 7738481 A FR7738481 A FR 7738481A FR 2375147 A1 FR2375147 A1 FR 2375147A1
Authority
FR
France
Prior art keywords
calcium sulfate
pieces
calcium sulphate
manufacturing calcium
ranging
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.)
Granted
Application number
FR7738481A
Other languages
English (en)
French (fr)
Other versions
FR2375147B1 (en17
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 FR2375147A1 publication Critical patent/FR2375147A1/fr
Application granted granted Critical
Publication of FR2375147B1 publication Critical patent/FR2375147B1/fr
Granted 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
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • C04B11/268—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke pelletizing of the material before starting the manufacture
    • 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

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)
  • Glanulating (AREA)
  • Processing Of Solid Wastes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
FR7738481A 1976-12-24 1977-12-20 Procede de fabrication de sulfate de calcium en morceaux Granted FR2375147A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2658915A DE2658915C3 (de) 1976-12-24 1976-12-24 Verfahren zur Herstellung von stückigem Calciumsulfat-Dihydrat

Publications (2)

Publication Number Publication Date
FR2375147A1 true FR2375147A1 (fr) 1978-07-21
FR2375147B1 FR2375147B1 (en17) 1984-09-21

Family

ID=5996681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7738481A Granted FR2375147A1 (fr) 1976-12-24 1977-12-20 Procede de fabrication de sulfate de calcium en morceaux

Country Status (7)

Country Link
US (1) US4173610A (en17)
JP (1) JPS53114820A (en17)
BE (1) BE862266A (en17)
CA (1) CA1103889A (en17)
DE (1) DE2658915C3 (en17)
FR (1) FR2375147A1 (en17)
NL (1) NL7713927A (en17)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453118A1 (fr) * 1979-02-03 1980-10-31 Knauf Westdeutsche Gips 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
FR2460900A1 (fr) * 1979-03-02 1981-01-30 Knauf Westdeutsche Gips Procede pour la production d'un melange de sulfate de calcium-hemihydrate et de sulfate de calcium dihydrate a partir de sulfate de calcium hemihydrate synthetique en fines particules
FR2615505A1 (fr) * 1987-05-22 1988-11-25 Rhein Westfael Elect Werk Ag Procede pour fabriquer du sulfate de calcium semi-hydrate sous forme alpha a partir de sulfate de calcium bihydrate finement divise

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826769C2 (de) * 1978-06-19 1990-03-08 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Verwendung von Calciumsulfat-Dihydraten, die aus der Abgaswäsche von Steinkohlenkraftwerken gewonnen werden, als Bestandteil in Putz- oder Maschinenputzgips
DE2833382B2 (de) * 1978-07-29 1980-10-23 Saarbergwerke Ag, 6600 Saarbruecken Verfahren zur Verwertung des in Rauchgasentschwefelungsanlagen, die auf Kalkbasis betrieben werden, anfallenden Gipses
US4601866A (en) * 1979-11-19 1986-07-22 Chinoin Process for tablet production
US4354876A (en) * 1980-09-26 1982-10-19 Webster & Assoc. Ltd. Utilization of dry scrubber waste materials
DE3048506C2 (de) * 1980-12-22 1986-09-11 Rigips GmbH, 3452 Bodenwerder Trockene pulverförmige Putzmischung und Verfahren zu ihrer Herstellung
AT382552B (de) * 1981-04-01 1987-03-10 Knauf Westdeutsche Gips Verfahren zur herstellung von geformten stuecken aus feinteiligem rauchgasgips und walzenpresse zur durchfuehrung des verfahrens
DE3222865C2 (de) * 1981-07-10 1992-10-22 Steag Ag, 4300 Essen Verfahren zum Granulieren von bei chemischen Prozessen anfallendem Gips und Verwendung einer Kompaktierungseinrichtung zum Granulieren von Gips nach dem Verfahren
DE3626912A1 (de) 1986-08-08 1988-02-11 Knauf Westdeutsche Gips Komprimate aus getrocknetem rauchgasgips und verfahren zur herstellung derselben
DE3819652C3 (de) * 1987-05-22 1996-08-01 Pro Mineral Ges Verfahren zur Erzeugung von als Baustoff geeignetem Calciumsulfat-Alphahalbhydrat aus feuchtem, feinteiligem Rauchgasentschwefelungsgips und seine Verwendung
DE3816513C3 (de) * 1987-05-22 1998-10-01 Pro Mineral Ges Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung
DE3733500C2 (de) * 1987-10-03 1993-11-04 Alexanderwerk Ag Verfahren und walzenpresse zum herstellen von stueckigem material aus feinteiligem rauchgasgips
US5362471A (en) * 1991-09-27 1994-11-08 Air Products And Chemicals, Inc. Process for producing gypsum flake from flue gas desulfurization
DE19731975C2 (de) * 1997-07-24 2003-08-07 Koeppern & Co Kg Maschf Verfahren zum Verhindern des Anhaftens von zu briketierendem Gut an einer Walzenoberfläche und Brikettierwalzenpresse
GB9814508D0 (en) 1998-07-03 1998-09-02 Polycell Prod Ltd Filler material
US6471767B1 (en) 1999-10-15 2002-10-29 American International Materials, Ltd. Process for recycling gypsum-based waste material into readily crushable members for use in the manufacture of cement and crushable members formed thereby
US6630153B2 (en) * 2001-02-23 2003-10-07 Smith & Nephew, Inc. Manufacture of bone graft substitutes
US6964704B2 (en) * 2003-03-20 2005-11-15 G.B. Technologies, Llc Calcium sulphate-based composition and methods of making same
JP4075709B2 (ja) * 2003-07-02 2008-04-16 住友電装株式会社 コネクタ
US7776150B2 (en) * 2006-03-16 2010-08-17 Koppern Eqipment, Inc. Process and apparatus for handling synthetic gypsum
PL2665689T3 (pl) * 2011-01-17 2017-10-31 Knauf Gips Kg Sposób ponownego użycia pyłu szlifierskiego i materiału odpadowego z płyt gipsowo-kartonowych
US20160214895A1 (en) * 2015-01-27 2016-07-28 International Material Recovery Inc. Apparatus and method for recycling gypsum
CN113232146A (zh) * 2021-05-27 2021-08-10 郭子清 一种纤维水泥板或硅酸钙板生产方法及生产线

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360334A (en) * 1963-09-11 1967-12-26 Ici Australia Ltd Method of preparing a dry plastic by calcination and compression
AU1260870A (en) * 1970-03-13 1971-09-16 GARRICK AGNEW PTY. LIMITED andthe MINISTER FOR MINES OFTHE GOVERNMENT OFTHE STATEOF WESTERN AUSTRALIA Agglomeration of gypsum
FR2289462A1 (fr) * 1974-11-04 1976-05-28 Henkel & Cie Gmbh Procede de preparation de melanges solides de platre faciles a gacher

Family Cites Families (4)

* 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
US3231649A (en) * 1964-04-17 1966-01-25 Pullman Inc Compaction method
US3414643A (en) * 1965-08-19 1968-12-03 Air Reduction Lime fines briquetting
US3789097A (en) * 1971-08-02 1974-01-29 Kennecott Copper Corp Process for producing pelletized metal sulfide materials

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360334A (en) * 1963-09-11 1967-12-26 Ici Australia Ltd Method of preparing a dry plastic by calcination and compression
AU1260870A (en) * 1970-03-13 1971-09-16 GARRICK AGNEW PTY. LIMITED andthe MINISTER FOR MINES OFTHE GOVERNMENT OFTHE STATEOF WESTERN AUSTRALIA Agglomeration of gypsum
FR2289462A1 (fr) * 1974-11-04 1976-05-28 Henkel & Cie Gmbh Procede de preparation de melanges solides de platre faciles a gacher

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453118A1 (fr) * 1979-02-03 1980-10-31 Knauf Westdeutsche Gips 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
FR2460900A1 (fr) * 1979-03-02 1981-01-30 Knauf Westdeutsche Gips Procede pour la production d'un melange de sulfate de calcium-hemihydrate et de sulfate de calcium dihydrate a partir de sulfate de calcium hemihydrate synthetique en fines particules
FR2615505A1 (fr) * 1987-05-22 1988-11-25 Rhein Westfael Elect Werk Ag Procede pour fabriquer du sulfate de calcium semi-hydrate sous forme alpha a partir de sulfate de calcium bihydrate finement divise
GR880100324A (en) * 1987-05-22 1989-02-23 Rhein Westfael Elect Werk Ag Preparation process of a-halfhyudrated calcium sulphate from sliqutly divided dichydrated calciumsulphate
BE1002843A5 (fr) * 1987-05-22 1991-07-02 Pro Mineral Ges Procede pour fabriquer du sulfate de calcium semi-hydrate sous forme alpha a partir de sulfate de calcium bihydrate finement divise.

Also Published As

Publication number Publication date
JPS53114820A (en) 1978-10-06
DE2658915C3 (de) 1987-06-19
BE862266A (fr) 1978-04-14
DE2658915B2 (de) 1979-10-31
DE2658915A1 (de) 1978-06-29
US4173610A (en) 1979-11-06
CA1103889A (en) 1981-06-30
FR2375147B1 (en17) 1984-09-21
NL7713927A (nl) 1978-06-27

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Legal Events

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ST Notification of lapse