BR9612468A - Processo para preparação de cimento - Google Patents

Processo para preparação de cimento

Info

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
Application number
BR9612468A
Other languages
English (en)
Inventor
Manfred Akstinat
Willi Suter
Original Assignee
Holderchem Holdings Ag
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
Application filed by Holderchem Holdings Ag filed Critical Holderchem Holdings Ag
Publication of BR9612468A publication Critical patent/BR9612468A/pt

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
    • 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)
BR9612468A 1996-11-15 1996-11-15 Processo para preparação de cimento BR9612468A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IB1996/001365 WO1998022407A1 (de) 1996-11-15 1996-11-15 Verfahren zum herstellen von zement
CA002242380A CA2242380A1 (en) 1996-11-15 1996-11-15 Method for producing cement

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CZ250698A3 (cs) 1998-11-11
ATE189450T1 (de) 2000-02-15
WO1998022407A1 (de) 1998-05-28
DE59604384D1 (de) 2000-03-09
EP0876307B1 (de) 2000-02-02
EP0876307A1 (de) 1998-11-11
AU7637096A (en) 1998-06-10
CA2242380A1 (en) 1998-05-28

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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]