BR9612468A - Processo para preparação de cimento - Google Patents
Processo para preparação de cimentoInfo
- Publication number
- BR9612468A BR9612468A BR9612468A BR9612468A BR9612468A BR 9612468 A BR9612468 A BR 9612468A BR 9612468 A BR9612468 A BR 9612468A BR 9612468 A BR9612468 A BR 9612468A BR 9612468 A BR9612468 A BR 9612468A
- Authority
- BR
- Brazil
- Prior art keywords
- cement
- preparing cement
- chromates
- kiln
- sintered
- Prior art date
Links
- 239000004568 cement Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 abstract 1
- 150000002736 metal compounds Chemical class 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 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
- C04B7/421—Inorganic materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1075—Chromium-free or very low chromium-content materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002242380A CA2242380A1 (en) | 1996-11-15 | 1996-11-15 | Method for producing cement |
| PCT/IB1996/001365 WO1998022407A1 (de) | 1996-11-15 | 1996-11-15 | Verfahren zum herstellen von zement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9612468A true BR9612468A (pt) | 1999-07-13 |
Family
ID=25680351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9612468A BR9612468A (pt) | 1996-11-15 | 1996-11-15 | Processo para preparação de cimento |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0876307B1 (pt) |
| AT (1) | ATE189450T1 (pt) |
| AU (1) | AU7637096A (pt) |
| BR (1) | BR9612468A (pt) |
| CA (1) | CA2242380A1 (pt) |
| CZ (1) | CZ250698A3 (pt) |
| DE (1) | DE59604384D1 (pt) |
| WO (1) | WO1998022407A1 (pt) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH534643A (fr) * | 1971-02-16 | 1973-03-15 | Service Neuchatelois De Medeci | Procédé de fabrication d'un ciment |
| JPS5227422A (en) * | 1975-07-23 | 1977-03-01 | Ishikawajima Harima Heavy Ind | Methdod of removing nitrogen oxides in apparatus for baking raw materials for cement |
| DD153816A1 (de) * | 1980-09-09 | 1982-02-03 | Rudolf Haase | Verfahren zur herstellung von zementklinker |
| DD246983A1 (de) * | 1986-02-03 | 1987-06-24 | Zementind Rationalisierung | Verfahren zur herstellung von chromatarmen zementen |
| DD262711A1 (de) * | 1987-07-22 | 1988-12-07 | Zementind Rationalisierung | Verfahren und vorrichtung zum eintragen von stoffen in den zementdrehofen |
| AT402637B (de) * | 1995-06-12 | 1997-07-25 | Holderchem Holding Ag | Verfahren zum herstellen von zement verfahren zum herstellen von zement |
-
1996
- 1996-11-15 CA CA002242380A patent/CA2242380A1/en not_active Abandoned
- 1996-11-15 DE DE59604384T patent/DE59604384D1/de not_active Expired - Fee Related
- 1996-11-15 BR BR9612468A patent/BR9612468A/pt not_active Application Discontinuation
- 1996-11-15 AU AU76370/96A patent/AU7637096A/en not_active Abandoned
- 1996-11-15 AT AT96939246T patent/ATE189450T1/de not_active IP Right Cessation
- 1996-11-15 EP EP96939246A patent/EP0876307B1/de not_active Expired - Lifetime
- 1996-11-15 WO PCT/IB1996/001365 patent/WO1998022407A1/de not_active Ceased
- 1996-11-15 CZ CZ982506A patent/CZ250698A3/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE189450T1 (de) | 2000-02-15 |
| CZ250698A3 (cs) | 1998-11-11 |
| EP0876307B1 (de) | 2000-02-02 |
| CA2242380A1 (en) | 1998-05-28 |
| EP0876307A1 (de) | 1998-11-11 |
| WO1998022407A1 (de) | 1998-05-28 |
| AU7637096A (en) | 1998-06-10 |
| DE59604384D1 (de) | 2000-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EG | Technical examination (opinion): publication of technical examination (opinion) | ||
| B09B | Patent application refused [chapter 9.2 patent gazette] |