IT1158192B - PROCEDURE FOR PRODUCING CALCIUM SULPHATE - Google Patents

PROCEDURE FOR PRODUCING CALCIUM SULPHATE

Info

Publication number
IT1158192B
IT1158192B IT52460/78A IT5246078A IT1158192B IT 1158192 B IT1158192 B IT 1158192B IT 52460/78 A IT52460/78 A IT 52460/78A IT 5246078 A IT5246078 A IT 5246078A IT 1158192 B IT1158192 B IT 1158192B
Authority
IT
Italy
Prior art keywords
procedure
calcium sulphate
producing calcium
producing
sulphate
Prior art date
Application number
IT52460/78A
Other languages
Italian (it)
Other versions
IT7852460A0 (en
Inventor
Shiraishi Masahiko
Kozakura Shiro
Shiho Shinho
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/en
Priority claimed from JP8096778A external-priority patent/JPS5510406A/en
Application filed by Idemitsu Kosan Co filed Critical Idemitsu Kosan Co
Publication of IT7852460A0 publication Critical patent/IT7852460A0/en
Application granted granted Critical
Publication of IT1158192B publication Critical patent/IT1158192B/en

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
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • 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
    • 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
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT 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
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C09C1/025—Calcium sulfates
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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)
  • 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)
  • Catalysts (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT52460/78A 1977-12-29 1978-12-27 PROCEDURE FOR PRODUCING CALCIUM SULPHATE IT1158192B (en)

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 IT7852460A0 (en) 1978-12-27
IT1158192B true IT1158192B (en) 1987-02-18

Family

ID=26421929

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52460/78A IT1158192B (en) 1977-12-29 1978-12-27 PROCEDURE FOR PRODUCING CALCIUM SULPHATE

Country Status (5)

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

Families Citing this family (11)

* 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
US4722866A (en) * 1985-04-09 1988-02-02 Georgia-Pacific Corporation Fire resistant gypsum board
US4664707A (en) * 1985-04-09 1987-05-12 Georgia-Pacific Corporation Fire resistant gypsum composition
DE3615717A1 (en) * 1986-05-09 1987-11-12 Benckiser Gmbh Joh A METHOD FOR THE HYDROTHERMAL CONVERSION OF SMOKE GAS DESULFURATION PLASTER IN CALCIUM SULFATE (ALPHA) HEMIHYDRATE
WO1990011256A1 (en) * 1989-03-16 1990-10-04 The 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
FR2856679B1 (en) * 2003-06-26 2006-12-22 Couturier Jean PROCESS FOR PREPARING ANHYDRITE III STABILIZED FROM PLASTER
FR2950879B1 (en) * 2009-10-02 2012-11-23 Cemex Res Group Ag ANHYDRITE MORTAR FOR MANUFACTURING FLUID CAP AND METHOD FOR PREPARING ANHYDRITE FOR MANUFACTURING SUCH A MORTAR
CN105980329B (en) * 2013-12-06 2018-03-30 佐治亚-太平洋石膏有限责任公司 Composite gypsum material modifying agent
WO2015085139A1 (en) * 2013-12-06 2015-06-11 Georgia-Pacific Gypsum Llc Gypsum composite modifiers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1356700A (en) * 1963-05-10 1964-03-27 Giulini Gmbh Soc Geb Process for the production of high quality semi-hydrated plasters
GB1079502A (en) * 1963-05-28 1967-08-16 Cafferata & Co Ltd Improvements in and relating to the production of calcium sulphate hemihydrate
GB1051849A (en) * 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 (en) * 1974-05-15 1984-01-24 三菱重工業株式会社 Alpha-Gatahansuisetsukou
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 (en) * 1977-07-01 1979-05-23 Skw Trostberg Ag, 8223 Trostberg Process for the production of inorganic fibers based on calcium sulfate

Also Published As

Publication number Publication date
DE2854722A1 (en) 1979-07-05
GB2053874A (en) 1981-02-11
FR2413339A1 (en) 1979-07-27
GB2011363B (en) 1982-07-14
IT7852460A0 (en) 1978-12-27
FR2413339B1 (en) 1985-11-08
DE2854722C2 (en) 1985-09-19
GB2053874B (en) 1982-07-28
CA1115025A (en) 1981-12-29
GB2011363A (en) 1979-07-11

Similar Documents

Publication Publication Date Title
IT1100898B (en) PROCEDURE FOR PRODUCING MAITANSINOID COMPOUNDS
SE7812144L (en) FIBROST CALCIUM SULPHATE
IT1102018B (en) PROCEDURE FOR THE PRODUCTION OF TRIMETHYLOL-ALCANS
IT7851674A0 (en) PROCEDURE FOR PRODUCING DIALKYLCARBONATES
IT7950436A0 (en) PROCEDURE FOR PRODUCING TROBENZOLE FLUORONS
IT1106615B (en) PROCEDURE FOR THE PRODUCTION OF SOLFOBETAINE
IT1109011B (en) PROCEDURE FOR THE PRODUCTION OF VINCADIFFORMINA
IT1158192B (en) PROCEDURE FOR PRODUCING CALCIUM SULPHATE
IT1094821B (en) PROCEDURE FOR PRODUCING OLEFINE
IT1157363B (en) PROCEDURE FOR PRODUCING P-ALCHYLPHENOLS
IT1105171B (en) PROCEDURE FOR THE PRODUCTION OF NITROSOBENZOL
IT1106758B (en) PROCEDURE FOR PRODUCING POLIETER POLIOLI
IT1091848B (en) PROCEDURE FOR PRODUCING ALCOSSI-KETONI
IT7851847A0 (en) NA AND N-METHYLMORANOLIN PROCEDURE FOR PRODUCING MORANOLS
IT1100590B (en) PROCEDURE FOR THE PRODUCTION OF RIFAMICINE
IT1157730B (en) PROCEDURE FOR THE PRODUCTION OF ALPHA-HYDROXYMETHYLEN-NITRYLES
IT1104627B (en) PROCEDURE FOR PRODUCING THIAZOLIN-2-TIONI
IT1106894B (en) PROCEDURE FOR PRODUCING ACID-1-AMINO-4-BROMO-ANTHRACHINON-2-SULPHONIC
IT7851329A0 (en) PROCEDURE FOR PRODUCING DIALKYLPHOSPHORUS-CHLORIDE-THIONATES
IT1155774B (en) PROCEDURE FOR PRODUCING TETRALKYLTIURAME THYOSOLFIDE
SE7807380L (en) CALCIUM SULPHATE FIBERS
IT1105097B (en) PROCEDURE FOR PRODUCING CYCLOPENTADECANOLIDE
IT1102812B (en) PROCEDURE FOR THE PRODUCTION OF P-NITROSO-DIFENIL-IDROSSIL-AMMINE
IT1099446B (en) PROCEDURE FOR THE PRODUCTION OF TIOLCARBAMATI
IT1106907B (en) PROCEDURE FOR PRODUCING MORFOLINO-DITIOTIAZOLI