DE60021240D1 - Verfahren zur Herstellung von Zement mit niedrigem Chromgehalt - Google Patents

Verfahren zur Herstellung von Zement mit niedrigem Chromgehalt

Info

Publication number
DE60021240D1
DE60021240D1 DE60021240T DE60021240T DE60021240D1 DE 60021240 D1 DE60021240 D1 DE 60021240D1 DE 60021240 T DE60021240 T DE 60021240T DE 60021240 T DE60021240 T DE 60021240T DE 60021240 D1 DE60021240 D1 DE 60021240D1
Authority
DE
Germany
Prior art keywords
cement
preparation
ppm
weight
iron
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.)
Expired - Fee Related
Application number
DE60021240T
Other languages
English (en)
Other versions
DE60021240T2 (de
Inventor
Pavel Martauz
Julius Strigac
Zdeno Orsag
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.)
Povazska Cementaren As
Original Assignee
Povazska Cementaren As
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 Povazska Cementaren As filed Critical Povazska Cementaren As
Publication of DE60021240D1 publication Critical patent/DE60021240D1/de
Application granted granted Critical
Publication of DE60021240T2 publication Critical patent/DE60021240T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C04B22/10—Acids or salts thereof containing carbon in the anion
    • 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
    • C04B7/425—Acids or salts thereof
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0004—Compounds chosen for the nature of their cations
    • C04B2103/0013—Iron group metal compounds
    • C04B2103/0014—Fe
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
    • C04B2103/0096—Reducing agents
    • 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)
  • Processing Of Solid Wastes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
DE60021240T 1999-10-12 2000-09-30 Verfahren zur Herstellung von Zement mit niedrigem Chromgehalt Expired - Fee Related DE60021240T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SK141299 1999-10-12
SK1412-99A SK282086B6 (sk) 1999-10-12 1999-10-12 Spôsob výroby cementu so zníženým obsahom chrómu

Publications (2)

Publication Number Publication Date
DE60021240D1 true DE60021240D1 (de) 2005-08-18
DE60021240T2 DE60021240T2 (de) 2006-05-24

Family

ID=20434531

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60021240T Expired - Fee Related DE60021240T2 (de) 1999-10-12 2000-09-30 Verfahren zur Herstellung von Zement mit niedrigem Chromgehalt

Country Status (5)

Country Link
EP (1) EP1092690B1 (de)
AT (1) ATE299481T1 (de)
CZ (1) CZ293588B6 (de)
DE (1) DE60021240T2 (de)
SK (1) SK282086B6 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022259022A1 (en) * 2021-06-09 2022-12-15 Cyprus University Of Technology System and method for carbon capture and utilization

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IS1443B6 (is) * 1980-12-17 1990-12-14 Aalborg Portland A/S thurr sementsblanda
AU2260183A (en) 1982-11-17 1984-06-04 Aalborg Portland-Cement-Fabrik Aktieselskabet A method of improving the properties of a powder
EP0133434A1 (de) 1983-01-20 1985-02-27 Cementa Ab Verfahren zur verminderung des ekzema erregenden chroms in zement durch zusatz von ferrosulfat, ein zusatzmittel ferrosulfat enthaltend und dessen verwendung
DD246983A1 (de) * 1986-02-03 1987-06-24 Zementind Rationalisierung Verfahren zur herstellung von chromatarmen zementen
DE4321077A1 (de) 1993-06-24 1995-01-05 Dyckerhoff Ag Verfahren zur Depression der Allergien verursachenden Wirkung von wasserlöslichem Cr·V··I· in Zementen und/oder zementhaltigen Zubereitungen

Also Published As

Publication number Publication date
SK282086B6 (sk) 2001-10-08
CZ293588B6 (cs) 2004-06-16
DE60021240T2 (de) 2006-05-24
SK141299A3 (en) 2001-05-10
ATE299481T1 (de) 2005-07-15
CZ2000114A3 (cs) 2002-01-16
EP1092690A1 (de) 2001-04-18
EP1092690B1 (de) 2005-07-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee