DE69803309D1 - Rückgewinnung von gipsmaterialien - Google Patents

Rückgewinnung von gipsmaterialien

Info

Publication number
DE69803309D1
DE69803309D1 DE69803309T DE69803309T DE69803309D1 DE 69803309 D1 DE69803309 D1 DE 69803309D1 DE 69803309 T DE69803309 T DE 69803309T DE 69803309 T DE69803309 T DE 69803309T DE 69803309 D1 DE69803309 D1 DE 69803309D1
Authority
DE
Germany
Prior art keywords
recovery
plaster materials
plaster
materials
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 - Fee Related
Application number
DE69803309T
Other languages
English (en)
Other versions
DE69803309T2 (de
Inventor
Graham O'brien
Martin Schofield
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.)
CASO Ltd
Original Assignee
CASO 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 CASO Ltd filed Critical CASO Ltd
Publication of DE69803309D1 publication Critical patent/DE69803309D1/de
Application granted granted Critical
Publication of DE69803309T2 publication Critical patent/DE69803309T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/16—Waste materials; Refuse from building or ceramic industry
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
DE69803309T 1997-09-06 1998-09-04 Rückgewinnung von gipsmaterialien Expired - Fee Related DE69803309T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9718886A GB9718886D0 (en) 1997-09-06 1997-09-06 Plaster of paris reclamation
PCT/GB1998/002679 WO1999012861A1 (en) 1997-09-06 1998-09-04 Reclamation of gypsum materials

Publications (2)

Publication Number Publication Date
DE69803309D1 true DE69803309D1 (de) 2002-02-21
DE69803309T2 DE69803309T2 (de) 2002-10-02

Family

ID=10818618

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803309T Expired - Fee Related DE69803309T2 (de) 1997-09-06 1998-09-04 Rückgewinnung von gipsmaterialien

Country Status (7)

Country Link
EP (1) EP1021384B1 (de)
AU (1) AU8879898A (de)
DE (1) DE69803309T2 (de)
ES (1) ES2168154T3 (de)
GB (1) GB9718886D0 (de)
PT (1) PT1021384E (de)
WO (1) WO1999012861A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2123613A1 (de) * 2008-05-09 2009-11-25 Claudius Peters Technologies GmbH Verfahren und Anlage zur Kalzinierung von Phosphorgips
ITRE20080066A1 (it) * 2008-07-10 2010-01-11 Andrea Leurini Recupero e riutilizzo di gessi dentali

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE119024C1 (de) *
DE1238374B (de) * 1965-04-24 1967-04-06 Giulini Ges Mit Beschraenkter Verfahren zur Herstellung von alpha-Calciumsulfat-Halbhydrat
CA1258961A (en) * 1984-09-17 1989-09-05 Yoshihiko Kudo PROCESS FOR PRODUCING .alpha.-FORM GYPSUM HEMIHYDRATE
GB2214836B (en) * 1988-02-08 1991-06-26 Bpb Industries Plc Improvements in method and apparatus for calcination

Also Published As

Publication number Publication date
PT1021384E (pt) 2002-05-31
DE69803309T2 (de) 2002-10-02
GB9718886D0 (en) 1997-11-12
ES2168154T3 (es) 2002-06-01
AU8879898A (en) 1999-03-29
WO1999012861A1 (en) 1999-03-18
EP1021384A1 (de) 2000-07-26
EP1021384B1 (de) 2001-11-21

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee