IT1158192B - Procedimento per produrre solfato di calcio - Google Patents

Procedimento per produrre solfato di calcio

Info

Publication number: IT1158192B
Authority: IT; Italy
Prior art keywords: procedure; calcium sulphate; producing calcium; producing; sulphate
Prior art date: 1977-12-29

Application number

IT52460/78A

Other languages

English (en)

Other versions

IT7852460A0 (it

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.)

1977-12-29

Filing date

1978-12-27

Publication date

1987-02-18

1977-12-29 Priority claimed from JP15945577A external-priority patent/JPS5499098A/ja

1978-07-05 Priority claimed from JP8096778A external-priority patent/JPS5510406A/ja

1978-12-27 Application filed by Idemitsu Kosan Co filed Critical Idemitsu Kosan Co

1978-12-27 Publication of IT7852460A0 publication Critical patent/IT7852460A0/it

1987-02-18 Application granted granted Critical

1987-02-18 Publication of IT1158192B publication Critical patent/IT1158192B/it

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 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 IT7852460A0 (it)	1978-12-27
IT1158192B true 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)	GB2011363B (it)
IT (1)	IT1158192B (it)

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
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
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 (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
WO2015085236A1 (en) *	2013-12-06	2015-06-11	Flint Hills Resources, Lp	Gypsum composite modifiers
US10280288B2 (en) *	2013-12-06	2019-05-07	Georgia-Pacific Gypsum Llc	Calcium sulfate crystals and methods for making the same

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

1978
- 1978-12-15 GB GB7848753A patent/GB2011363B/en not_active Expired
- 1978-12-15 GB GB8015586A patent/GB2053874B/en not_active Expired
- 1978-12-19 CA CA318,237A patent/CA1115025A/en not_active Expired
- 1978-12-19 DE DE2854722A patent/DE2854722C2/de not_active Expired
- 1978-12-27 FR FR7836549A patent/FR2413339B1/fr not_active Expired
- 1978-12-27 IT IT52460/78A patent/IT1158192B/it active

Also Published As

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

Publication	Publication Date	Title
IT1100898B (it)	1985-09-28	Procedimento per produrre composti maitansinoidi
SE7812144L (sv)	1979-05-26	Fibrost kalciumsulfat
IT1102018B (it)	1985-10-07	Procedimento per la produzione di trimetilol-alcani
IT7851674A0 (it)	1978-10-27	Procedimento per produrre dialchilcarbonati
IT7950436A0 (it)	1979-10-03	Procedimento per produrre fluoroni trobenzoli
IT1106615B (it)	1985-11-11	Procedimento per la produzione di solfobetaine
IT1109011B (it)	1985-12-16	Procedimento per la produzione di vincadifformina
IT1158192B (it)	1987-02-18	Procedimento per produrre solfato di calcio
IT1094821B (it)	1985-08-10	Procedimento per produrre olefine
IT1157363B (it)	1987-02-11	Procedimento per produrre p-alchilfenoli
IT1091848B (it)	1985-07-06	Procedimento per produrre alcossi-chetoni
IT1105171B (it)	1985-10-28	Procedimento per la produzione di nitrosobenzolo
IT1106758B (it)	1985-11-18	Procedimento per produrre polieter polioli
IT1100590B (it)	1985-09-28	Procedimento per la produzione di rifamicine
IT7851847A0 (it)	1978-11-09	Na e n-metilmoranolina procedimento per produrre moranoli
IT1157730B (it)	1987-02-18	Procedimento per la produzione di alfa-idrossimetilen-nitrili
IT1104627B (it)	1985-10-21	Procedimento per produrre tiazolin-2-tioni
IT1106894B (it)	1985-11-18	Procedimento per produrre acido-1-ammino-4-bromo-antrachinon-2-solfonico
IT7851329A0 (it)	1978-10-02	Procedimento per produrre dialchilfosforo-cloruro-tionati
IT1155774B (it)	1987-01-28	Procedimento per produrre tiosolfuro di tetralchiltiurame
SE7807380L (sv)	1979-02-26	Kalciumsulfatfibrer
IT1105097B (it)	1985-10-28	Procedimento per produrre ciclopentadecanolide
IT1102812B (it)	1985-10-07	Procedimento per la produzione di p-nitroso-difenil-idrossil-ammine
IT1099446B (it)	1985-09-18	Procedimento per la produzione di tiolcarbamati
IT1106907B (it)	1985-11-18	Procedimento per produrre morfolino-ditiotiazoli