IT7852460A0 - Procedimento per produrre solfato di calcio - Google Patents

Procedimento per produrre solfato di calcio

Info

Publication number
IT7852460A0
IT7852460A0 IT7852460A IT5246078A IT7852460A0 IT 7852460 A0 IT7852460 A0 IT 7852460A0 IT 7852460 A IT7852460 A IT 7852460A IT 5246078 A IT5246078 A IT 5246078A IT 7852460 A0 IT7852460 A0 IT 7852460A0
Authority
IT
Italy
Prior art keywords
procedure
calcium sulfate
producing calcium
producing
sulfate
Prior art date
Application number
IT7852460A
Other languages
English (en)
Other versions
IT1158192B (it
Inventor
Masahiko Shiraishi
Shiro Kozakura Eshinho Shiho
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
Priority claimed from JP15945577A external-priority patent/JPS5499098A/ja
Priority claimed from JP8096778A external-priority patent/JPS5510406A/ja
Application filed by Idemitsu Kosan Co filed Critical Idemitsu Kosan Co
Publication of IT7852460A0 publication Critical patent/IT7852460A0/it
Application granted granted Critical
Publication of IT1158192B publication Critical patent/IT1158192B/it

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
    • C04B11/02Methods and apparatus for dehydrating gypsum
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/46Sulfates
    • C01F11/466Conversion of one form of calcium sulfate to another
    • 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
    • C04B11/02Methods and apparatus for dehydrating gypsum
    • C04B11/024Ingredients added before, or during, the calcining process, e.g. calcination modifiers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02Compounds of alkaline earth metals or magnesium
    • C09C1/025Calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/10Particle morphology extending in one dimension, e.g. needle-like
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/54Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/10Solid density

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Catalysts (AREA)
IT52460/78A 1977-12-29 1978-12-27 Procedimento per produrre solfato di calcio IT1158192B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15945577A JPS5499098A (en) 1977-12-29 1977-12-29 Production of satin spar gypsum or spherical gypsum formed from said gypsum
JP8096778A JPS5510406A (en) 1978-07-05 1978-07-05 Production of gypsum

Publications (2)

Publication Number Publication Date
IT7852460A0 true IT7852460A0 (it) 1978-12-27
IT1158192B IT1158192B (it) 1987-02-18

Family

ID=26421929

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52460/78A IT1158192B (it) 1977-12-29 1978-12-27 Procedimento per produrre solfato di calcio

Country Status (5)

Country Link
CA (1) CA1115025A (it)
DE (1) DE2854722C2 (it)
FR (1) FR2413339B1 (it)
GB (2) GB2053874B (it)
IT (1) IT1158192B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818287A (en) * 1982-05-19 1989-04-04 Georgia-Pacific Corporation Fiber reinforced plaster molds for metal casting
US5148645A (en) * 1984-02-27 1992-09-22 Georgia-Pacific Corporation Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board
US4664707A (en) * 1985-04-09 1987-05-12 Georgia-Pacific Corporation Fire resistant gypsum composition
US4722866A (en) * 1985-04-09 1988-02-02 Georgia-Pacific Corporation Fire resistant gypsum board
DE3615717A1 (de) * 1986-05-09 1987-11-12 Benckiser Gmbh Joh A Verfahren zur hydrothermalen umwandlung von rauchgasentschwefelungsgips in calciumsulfat-(alpha)-hemihydrat
EP0416089A4 (en) * 1989-03-16 1991-08-07 United States Gypsum Company Process and apparatus for producing calcium sulfate microfibers
US5401588A (en) * 1992-12-23 1995-03-28 Georgia-Pacific Resins Inc. Gypsum microfiber sheet material
RU2210540C1 (ru) * 2002-05-27 2003-08-20 Мясников Николай Федорович Способ получения гипсового вяжущего
FR2856679B1 (fr) * 2003-06-26 2006-12-22 Couturier Jean Procede de preparation d'anhydrite iii stabilise a partir de platre.
FR2950879B1 (fr) * 2009-10-02 2012-11-23 Cemex Res Group Ag Mortier a base d'anhydrite pour la fabrication chape fluide et procede de preparation d'anhydrite pour la fabrication d'un tel mortier
US20150158997A1 (en) * 2013-12-06 2015-06-11 Georgia-Pacific Gypsum Llc Gypsum composite modifiers
WO2015085236A1 (en) * 2013-12-06 2015-06-11 Flint Hills Resources, Lp Gypsum composite modifiers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1356700A (fr) * 1963-05-10 1964-03-27 Giulini Gmbh Soc Geb Procédé pour la fabrication de plâtres semi-hydratés de haute qualite
GB1079502A (en) * 1963-05-28 1967-08-16 Cafferata & Co Ltd Improvements in and relating to the production of calcium sulphate hemihydrate
GB1051849A (it) * 1963-12-03
GB1248037A (en) * 1968-01-13 1971-09-29 Fisons Ltd Calcium sulphate
US3822340A (en) * 1972-03-27 1974-07-02 Franklin Key Calcium sulfate whisker fibers and the method for the manufacture thereof
JPS593406B2 (ja) * 1974-05-15 1984-01-24 三菱重工業株式会社 アルフア−ガタハンスイセツコウ ノ セイゾウホウホウ
US4029512A (en) * 1974-08-05 1977-06-14 Johns-Manville Corporation Method for the preparation of fibrous insoluble calcium sulfate anhydrite
JPS5248594A (en) * 1975-10-17 1977-04-18 Kureha Chem Ind Co Ltd Method for producing type gypsum hemihydrate
JPS52156199A (en) * 1976-06-22 1977-12-26 Onoda Cement Co Ltd Production of gypsum fiber
DE2729842B2 (de) * 1977-07-01 1979-05-23 Skw Trostberg Ag, 8223 Trostberg Verfahren zur Herstellung von anorganischen Fasern auf Basis von Calciumsulfat

Also Published As

Publication number Publication date
IT1158192B (it) 1987-02-18
GB2011363B (en) 1982-07-14
CA1115025A (en) 1981-12-29
FR2413339B1 (fr) 1985-11-08
DE2854722A1 (de) 1979-07-05
FR2413339A1 (fr) 1979-07-27
GB2053874A (en) 1981-02-11
GB2011363A (en) 1979-07-11
GB2053874B (en) 1982-07-28
DE2854722C2 (de) 1985-09-19

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