JPS5788053A - Additive comprising mixture of calcium sulfite semi-hydrate and calcium sulfate dihydrate for cement manufacture - Google Patents
Additive comprising mixture of calcium sulfite semi-hydrate and calcium sulfate dihydrate for cement manufactureInfo
- Publication number
- JPS5788053A JPS5788053A JP56154891A JP15489181A JPS5788053A JP S5788053 A JPS5788053 A JP S5788053A JP 56154891 A JP56154891 A JP 56154891A JP 15489181 A JP15489181 A JP 15489181A JP S5788053 A JPS5788053 A JP S5788053A
- Authority
- JP
- Japan
- Prior art keywords
- calcium
- hydrate
- additive
- mixture
- sulfate dihydrate
- 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.)
- Pending
Links
- 239000000654 additive Substances 0.000 title 1
- 230000000996 additive effect Effects 0.000 title 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 title 1
- 235000010261 calcium sulphite Nutrition 0.000 title 1
- 239000004568 cement Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
- C04B7/42—Active ingredients added before, or during, the burning process
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
- C04B22/143—Calcium-sulfate
- C04B22/145—Gypsum from the desulfuration of flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803037056 DE3037056A1 (en) | 1980-10-01 | 1980-10-01 | USE OF A MIXTURE OF CALCIUM SULFIT SEMI-HYDRATE AND CALCIUM SULFATE DIHYDRATE FOR THE PRODUCTION OF CEMENT |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5788053A true JPS5788053A (en) | 1982-06-01 |
Family
ID=6113333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56154891A Pending JPS5788053A (en) | 1980-10-01 | 1981-10-01 | Additive comprising mixture of calcium sulfite semi-hydrate and calcium sulfate dihydrate for cement manufacture |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5788053A (en) |
BE (1) | BE890558A (en) |
DD (1) | DD201667A5 (en) |
DE (1) | DE3037056A1 (en) |
DK (1) | DK431681A (en) |
FR (1) | FR2491054A1 (en) |
GB (1) | GB2084562B (en) |
GR (1) | GR75013B (en) |
IE (1) | IE51795B1 (en) |
IT (1) | IT1138682B (en) |
LU (1) | LU83658A1 (en) |
NL (1) | NL8104481A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195560A (en) * | 1983-04-21 | 1984-11-06 | 日本セメント株式会社 | Manufacture of concrete products |
JP2007246306A (en) * | 2006-03-14 | 2007-09-27 | Ube Ind Ltd | Reducible gypsum composition, method of manufacturing the same, cement based solidification material and solidification method |
JP2021109796A (en) * | 2020-01-08 | 2021-08-02 | 宇部興産株式会社 | Method for producing sulfur-based composition and cement composition, system for producing cement composition, and cement-based solidifying material |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3821657A1 (en) * | 1988-06-27 | 1989-12-28 | Rheine Kalkwerke Gmbh | METHOD FOR PRODUCING A BINDER AND ITS USE |
DE59005950D1 (en) * | 1989-11-20 | 1994-07-07 | Wsz Wolfener Schwefelsaeure Un | METHOD FOR PRODUCING CEMENT CLINKER AND RECOVERY OF SULFUR DIOXIDE. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3855391A (en) * | 1973-01-23 | 1974-12-17 | Dravo Corp | Sludge stabilization with gypsum |
SU563376A1 (en) * | 1975-03-10 | 1977-06-30 | Харьковский Ордена Ленина Политехнический Институт Им. В.И.Ленина | Expanding binding material |
-
1980
- 1980-10-01 DE DE19803037056 patent/DE3037056A1/en not_active Ceased
-
1981
- 1981-09-29 DK DK431681A patent/DK431681A/en not_active Application Discontinuation
- 1981-09-29 GB GB8129302A patent/GB2084562B/en not_active Expired
- 1981-09-30 BE BE0/206114A patent/BE890558A/en not_active IP Right Cessation
- 1981-09-30 FR FR8118455A patent/FR2491054A1/en not_active Withdrawn
- 1981-09-30 LU LU83658A patent/LU83658A1/en unknown
- 1981-09-30 GR GR66169A patent/GR75013B/el unknown
- 1981-10-01 NL NL8104481A patent/NL8104481A/en not_active Application Discontinuation
- 1981-10-01 DD DD81233790A patent/DD201667A5/en unknown
- 1981-10-01 IE IE2280/81A patent/IE51795B1/en unknown
- 1981-10-01 JP JP56154891A patent/JPS5788053A/en active Pending
- 1981-10-01 IT IT24262/81A patent/IT1138682B/en active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195560A (en) * | 1983-04-21 | 1984-11-06 | 日本セメント株式会社 | Manufacture of concrete products |
JPH0335252B2 (en) * | 1983-04-21 | 1991-05-27 | Nihon Cement | |
JP2007246306A (en) * | 2006-03-14 | 2007-09-27 | Ube Ind Ltd | Reducible gypsum composition, method of manufacturing the same, cement based solidification material and solidification method |
JP2021109796A (en) * | 2020-01-08 | 2021-08-02 | 宇部興産株式会社 | Method for producing sulfur-based composition and cement composition, system for producing cement composition, and cement-based solidifying material |
Also Published As
Publication number | Publication date |
---|---|
DD201667A5 (en) | 1983-08-03 |
DE3037056A1 (en) | 1982-04-22 |
GB2084562A (en) | 1982-04-15 |
IT8124262A0 (en) | 1981-10-01 |
DK431681A (en) | 1982-04-02 |
IE51795B1 (en) | 1987-04-01 |
NL8104481A (en) | 1982-05-03 |
FR2491054A1 (en) | 1982-04-02 |
GR75013B (en) | 1984-07-12 |
GB2084562B (en) | 1984-03-07 |
BE890558A (en) | 1982-01-18 |
IE812280L (en) | 1982-04-01 |
IT1138682B (en) | 1986-09-17 |
LU83658A1 (en) | 1982-02-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA774524B (en) | Calcium sulphate hemihydrate plaster | |
ZA838678B (en) | Concrete additive comprising a multicomponent admixture containing microsilica,its method of manufacture and concrete produced therewith | |
CS344888A3 (en) | Process for preparing alpha-hemihydrate of calcium sulfate from fine-grained calcium sulfate dihydrate | |
ZA763014B (en) | Process and apparatus for the conversion of gypsum into calcium sulphate hemihydrate | |
JPS5441934A (en) | Calcium aluminate cement composition* mixture thereof and method of making same | |
DE3274232D1 (en) | Preparation of a calcium sulfate anhydrite material of low chloride content | |
PL244609A1 (en) | Method of manufacture of dry cement mixture,product containing water-soluble ferric sulfate hydrate and method of making this hydrate | |
JPS5798311A (en) | Manufacture of gypsum board | |
JPS5788053A (en) | Additive comprising mixture of calcium sulfite semi-hydrate and calcium sulfate dihydrate for cement manufacture | |
JPS5447895A (en) | Method of manufacturing calcium sulfate of raw material for manufacturing plaster and plaster board | |
GB1538103A (en) | Set-promoting composition for calcium sulphate hemihydrate plaster | |
GB2076791B (en) | Alpha calcium sulfate hemihydrate production | |
ZA791012B (en) | Dihydrate of calcium hypochlorite and method for manufacture thereof | |
GB2086874B (en) | Calcining calcium sulphate dihydrate | |
DE3163603D1 (en) | Mixture and additive for the production of gypsum moulds | |
GB1545788A (en) | Manufacture of calcium sulphate | |
JPS56145145A (en) | Manufacture of cement board | |
JPS57149852A (en) | Manufacture of quick-setting mixed cement | |
GB8329944D0 (en) | Calcining calcium sulphate dihydrate | |
JPS5782153A (en) | Manufacture of cement clinker | |
NZ210705A (en) | Cast gypsum composition containing calcium sulphate (anhydrite ii) | |
JPS56120580A (en) | Manufacture of gypsum board | |
JPS5756359A (en) | Manufacture of cement admixing agent | |
IT1140282B (en) | CONTINUOUS CALCINATION OF CALCIUM SULPHATE DIHYDRATE | |
JPS53147716A (en) | Manufacture of gypsummfiber board using bulky calcium sulfate dihydrate needleelike crystal |