AU7637096A - Method for producing cement - Google Patents

Method for producing cement

Info

Publication number
AU7637096A
AU7637096A AU76370/96A AU7637096A AU7637096A AU 7637096 A AU7637096 A AU 7637096A AU 76370/96 A AU76370/96 A AU 76370/96A AU 7637096 A AU7637096 A AU 7637096A AU 7637096 A AU7637096 A AU 7637096A
Authority
AU
Australia
Prior art keywords
producing cement
cement
chromates
kiln
sintered
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.)
Abandoned
Application number
AU76370/96A
Inventor
Manfred Akstinat
Willi Suter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Holderchem Holding AG
Original Assignee
Holderchem Holding 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 Holding AG filed Critical Holderchem Holding AG
Publication of AU7637096A publication Critical patent/AU7637096A/en
Abandoned legal-status Critical Current

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)

Abstract

The invention relates to a method for producing cement, in which the starting materials of the cement are sintered in a furnace. Metal sols or metal compounds are sprayed in or injected preferentially in the last third of a kiln, so as to obtain, in this way, coloured cements, as well as to exclude undesirable oxidation steps of metals (particularly chromates).
AU76370/96A 1996-11-15 1996-11-15 Method for producing cement Abandoned AU7637096A (en)

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 (en) 1996-11-15 1996-11-15 Method for producing cement

Publications (1)

Publication Number Publication Date
AU7637096A true AU7637096A (en) 1998-06-10

Family

ID=25680351

Family Applications (1)

Application Number Title Priority Date Filing Date
AU76370/96A Abandoned AU7637096A (en) 1996-11-15 1996-11-15 Method for producing cement

Country Status (8)

Country Link
EP (1) EP0876307B1 (en)
AT (1) ATE189450T1 (en)
AU (1) AU7637096A (en)
BR (1) BR9612468A (en)
CA (1) CA2242380A1 (en)
CZ (1) CZ250698A3 (en)
DE (1) DE59604384D1 (en)
WO (1) WO1998022407A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534643A (en) * 1971-02-16 1973-03-15 Service Neuchatelois De Medeci Cement prodn - with addn of cpds insolubilising or reducing dermatitis-causing hexavalent chromium salts
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 (en) * 1980-09-09 1982-02-03 Rudolf Haase METHOD FOR THE PRODUCTION OF CEMENT LINKERS
DD246983A1 (en) * 1986-02-03 1987-06-24 Zementind Rationalisierung PROCESS FOR THE PREPARATION OF CHROMATAR CEMENT
DD262711A1 (en) * 1987-07-22 1988-12-07 Zementind Rationalisierung METHOD AND DEVICE FOR REGISTERING SUBSTANCES IN THE CEMENT TURNOVER
AT402637B (en) * 1995-06-12 1997-07-25 Holderchem Holding Ag Process for producing cement

Also Published As

Publication number Publication date
DE59604384D1 (en) 2000-03-09
CA2242380A1 (en) 1998-05-28
EP0876307B1 (en) 2000-02-02
ATE189450T1 (en) 2000-02-15
CZ250698A3 (en) 1998-11-11
BR9612468A (en) 1999-07-13
EP0876307A1 (en) 1998-11-11
WO1998022407A1 (en) 1998-05-28

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Legal Events

Date Code Title Description
MK4 Application lapsed section 142(2)(d) - no continuation fee paid for the application