IT1138682B - Impiego di una miscela di solfito di calcio semiidrato e di solfato di calcio biidrato per la produzione di cemento - Google Patents
Impiego di una miscela di solfito di calcio semiidrato e di solfato di calcio biidrato per la produzione di cementoInfo
- Publication number
- IT1138682B IT1138682B IT24262/81A IT2426281A IT1138682B IT 1138682 B IT1138682 B IT 1138682B IT 24262/81 A IT24262/81 A IT 24262/81A IT 2426281 A IT2426281 A IT 2426281A IT 1138682 B IT1138682 B IT 1138682B
- Authority
- IT
- Italy
- Prior art keywords
- hydrated calcium
- cement
- semi
- mixture
- production
- Prior art date
Links
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title 2
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 title 1
- 235000011132 calcium sulphate Nutrition 0.000 title 1
- 239000001175 calcium sulphate Substances 0.000 title 1
- 235000010261 calcium sulphite Nutrition 0.000 title 1
- 239000004295 calcium sulphite Substances 0.000 title 1
- 239000004568 cement Substances 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803037056 DE3037056A1 (de) | 1980-10-01 | 1980-10-01 | Verwendung eines gemisches aus kalziumsulfit-halbhydrat und kalziumsulfat-dihydrat fuer die herstellung von zement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8124262A0 IT8124262A0 (it) | 1981-10-01 |
| IT1138682B true IT1138682B (it) | 1986-09-17 |
Family
ID=6113333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT24262/81A IT1138682B (it) | 1980-10-01 | 1981-10-01 | Impiego di una miscela di solfito di calcio semiidrato e di solfato di calcio biidrato per la produzione di cemento |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5788053A (it) |
| BE (1) | BE890558A (it) |
| DD (1) | DD201667A5 (it) |
| DE (1) | DE3037056A1 (it) |
| DK (1) | DK431681A (it) |
| FR (1) | FR2491054A1 (it) |
| GB (1) | GB2084562B (it) |
| GR (1) | GR75013B (it) |
| IE (1) | IE51795B1 (it) |
| IT (1) | IT1138682B (it) |
| LU (1) | LU83658A1 (it) |
| NL (1) | NL8104481A (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59195560A (ja) * | 1983-04-21 | 1984-11-06 | 日本セメント株式会社 | コンクリ−ト製品の製造方法 |
| DE3821657A1 (de) * | 1988-06-27 | 1989-12-28 | Rheine Kalkwerke Gmbh | Verfahren zum herstellen eines bindemittels und seine verwendung |
| DE59005950D1 (de) * | 1989-11-20 | 1994-07-07 | Wsz Wolfener Schwefelsaeure Un | Verfahren zur herstellung von zementklinker und rückgewinnung von schwefeldioxid. |
| JP4775045B2 (ja) * | 2006-03-14 | 2011-09-21 | 宇部興産株式会社 | 還元性せっこう組成物、その製造方法およびセメント系固化材と固化処理方法 |
| JP7406994B2 (ja) * | 2020-01-08 | 2023-12-28 | Ｕｂｅ三菱セメント株式会社 | セメント組成物の製造方法 |
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 (ru) * | 1975-03-10 | 1977-06-30 | Харьковский Ордена Ленина Политехнический Институт Им. В.И.Ленина | Расшир ющеес в жущее |
-
1980
- 1980-10-01 DE DE19803037056 patent/DE3037056A1/de not_active Ceased
-
1981
- 1981-09-29 DK DK431681A patent/DK431681A/da not_active Application Discontinuation
- 1981-09-29 GB GB8129302A patent/GB2084562B/en not_active Expired
- 1981-09-30 BE BE0/206114A patent/BE890558A/fr not_active IP Right Cessation
- 1981-09-30 GR GR66169A patent/GR75013B/el unknown
- 1981-09-30 FR FR8118455A patent/FR2491054A1/fr not_active Withdrawn
- 1981-09-30 LU LU83658A patent/LU83658A1/fr unknown
- 1981-10-01 JP JP56154891A patent/JPS5788053A/ja active Pending
- 1981-10-01 DD DD81233790A patent/DD201667A5/de unknown
- 1981-10-01 IT IT24262/81A patent/IT1138682B/it active
- 1981-10-01 NL NL8104481A patent/NL8104481A/nl not_active Application Discontinuation
- 1981-10-01 IE IE2280/81A patent/IE51795B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GR75013B (it) | 1984-07-12 |
| DE3037056A1 (de) | 1982-04-22 |
| IT8124262A0 (it) | 1981-10-01 |
| JPS5788053A (en) | 1982-06-01 |
| DD201667A5 (de) | 1983-08-03 |
| DK431681A (da) | 1982-04-02 |
| NL8104481A (nl) | 1982-05-03 |
| GB2084562B (en) | 1984-03-07 |
| GB2084562A (en) | 1982-04-15 |
| LU83658A1 (fr) | 1982-02-17 |
| IE51795B1 (en) | 1987-04-01 |
| FR2491054A1 (fr) | 1982-04-02 |
| IE812280L (en) | 1982-04-01 |
| BE890558A (fr) | 1982-01-18 |
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