IT8148251A0 - CONTINUOUS PROCESS TO PRODUCE LIGHT WEIGHT CALCIUM SULPHATE - Google Patents

CONTINUOUS PROCESS TO PRODUCE LIGHT WEIGHT CALCIUM SULPHATE

Info

Publication number
IT8148251A0
IT8148251A0 IT8148251A IT4825181A IT8148251A0 IT 8148251 A0 IT8148251 A0 IT 8148251A0 IT 8148251 A IT8148251 A IT 8148251A IT 4825181 A IT4825181 A IT 4825181A IT 8148251 A0 IT8148251 A0 IT 8148251A0
Authority
IT
Italy
Prior art keywords
light weight
continuous process
calcium sulphate
produce light
weight calcium
Prior art date
Application number
IT8148251A
Other languages
Italian (it)
Other versions
IT1170883B (en
Inventor
Toshikuni Minahara
Hiroshi Nishitani
Original Assignee
Idemitsu Kosan Co
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 Idemitsu Kosan Co filed Critical Idemitsu Kosan Co
Publication of IT8148251A0 publication Critical patent/IT8148251A0/en
Application granted granted Critical
Publication of IT1170883B publication Critical patent/IT1170883B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
IT48251/81A 1980-04-14 1981-04-10 CONTINUOUS PROCEDURE TO PRODUCE LIGHT WEIGHT CALCIUM SULPHATE IT1170883B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4803780A JPS56145116A (en) 1980-04-14 1980-04-14 Continuous preparation of light gypsum

Publications (2)

Publication Number Publication Date
IT8148251A0 true IT8148251A0 (en) 1981-04-10
IT1170883B IT1170883B (en) 1987-06-03

Family

ID=12792108

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48251/81A IT1170883B (en) 1980-04-14 1981-04-10 CONTINUOUS PROCEDURE TO PRODUCE LIGHT WEIGHT CALCIUM SULPHATE

Country Status (6)

Country Link
JP (1) JPS56145116A (en)
CA (1) CA1175209A (en)
DE (1) DE3114363C2 (en)
FR (1) FR2480267A1 (en)
GB (1) GB2076791B (en)
IT (1) IT1170883B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3239669A1 (en) * 1982-10-27 1984-05-03 Joh. A. Benckiser Gmbh, 6700 Ludwigshafen CONTINUOUS PROCESS FOR THE PRODUCTION OF INDUSTRIAL RECYCLABLE PLASTER FROM INDUSTRIAL WASTE PLASTER
DE3536321A1 (en) * 1985-10-11 1987-04-23 Bischoff Gasreinigung Process and reactor for producing alpha-hemihydrate gypsum from calcium sulphate dihydrate from flue gas desulphurisation plants operating by the wet scrubbing process with lime
DE3615739A1 (en) * 1986-05-09 1987-11-12 Benckiser Gmbh Joh A CONTINUOUS METHOD AND DEVICE FOR PRODUCING INDUSTRIALLY RECYCLABLE PLASTER FROM INDUSTRIAL WASTE PLASTER
DE3711367A1 (en) * 1987-04-04 1988-10-13 Rwk Rhein Westfael Kalkwerke Process for preparing calcium sulphate hemihydrate
DE3844938C2 (en) * 1987-05-22 1996-09-19 Pro Mineral Ges Calcium sulphate alpha-mono:hydrate mfr. by autoclaving di:hydrate
WO1990011256A1 (en) * 1989-03-16 1990-10-04 The United States Gypsum Company Process and apparatus for producing calcium sulfate microfibers
US7765813B2 (en) * 2004-07-15 2010-08-03 United States Gypsum Company Apparatus and process for cooling and de-steaming calcined stucco
CN103723757B (en) * 2012-10-10 2015-08-05 深圳兰度生物材料有限公司 Medical grade α-calcium sulphate hemihydrate preparation method
EP3782725A1 (en) * 2019-08-21 2021-02-24 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO Reactor for the hydrothermal treatment of biomass

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1198807A (en) * 1963-12-03 1970-07-15 Ici Ltd Continuous process for the production of calcium sulphate alpha-hemihydrate from gypsum
GB1051849A (en) * 1963-12-03
US3977890A (en) * 1972-08-16 1976-08-31 Johns-Manville Corporation Method for the preparation of fibrous calcium sulfate hemihydrate
JPS5143833A (en) * 1974-10-11 1976-04-14 Nishida Marine Boiler KIFUKUGEETOSOCHI
JPS5187494A (en) * 1975-01-31 1976-07-31 Idemitsu Kosan Co Setsukoisukaano seizohoho
JPS5319366A (en) * 1976-08-06 1978-02-22 Mitsubishi Chem Ind Ltd Resin compositions
JPS5817132B2 (en) * 1976-11-29 1983-04-05 出光興産株式会社 Spherical settsukou and its manufacturing method
JPS53128624A (en) * 1977-04-16 1978-11-09 Idemitsu Kosan Co Gypsum compound
US4152408A (en) * 1977-11-25 1979-05-01 Certain-Teed Corporation Fibrous calcium sulfate
JPS5857384B2 (en) * 1978-04-04 1983-12-20 株式会社クボタ Gypsum firing method and equipment
JPS54152692A (en) * 1978-05-22 1979-12-01 Kanegafuchi Chem Ind Co Ltd Continuous manufacture of gypsum needle-like crystal

Also Published As

Publication number Publication date
CA1175209A (en) 1984-10-02
FR2480267B1 (en) 1984-12-28
JPS56145116A (en) 1981-11-11
FR2480267A1 (en) 1981-10-16
IT1170883B (en) 1987-06-03
GB2076791A (en) 1981-12-09
JPS6320785B2 (en) 1988-04-30
DE3114363C2 (en) 1985-12-05
GB2076791B (en) 1983-03-09
DE3114363A1 (en) 1982-03-04

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