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The Usage of Industrialwaste Materials for the Productionof Special Cements and Binders

Published online by Cambridge University Press:  21 February 2011

Herbert PÖllmann ,
JÜrgen Neubauer  and
Hubert Motzet
Herbert PÖllmann
Affiliation:
Department of Mineralogy/Geochemistry, University of Halle, Domstr. 5, 06108 Halle
JÜrgen Neubauer
Affiliation:
Institute Erlangen, Wüifrath, /, Germany
Hubert Motzet
Affiliation:
Rhein. Kalksteinwerke, Wüifrath, /, Germany
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Abstract

By mixing various industrial wastes, as garbage combustion ashes, bottom ashes, fluidized bed ashes, lignite power station ashes, fume purification sulfates and sulfites and lime it is possible to produce cements and binders on the basis of alinite, calcium sulfoaluminate and belite depending on the chemical variety of used wastes.

The fabrication process for these cements was studied by laboratory experiments and the different phases and properties were studied in detail. Alinite cement was already produced on a larger scale in a rotary kiln of 10m length. These cements can be used for application purposes in mining mortars, expansive cements, rapid hardening binders and in landfill technologies. The hydration process and workability can be controlled by using various additives. hus industrial wastes can be a secondary resource for special cement production.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 370: Symposia Va/Vb – Microstructure of Cement-Based Systems/Bonding and Interfaces in Cement... , 1994 , 169
Copyright
Copyright © Materials Research Society 1995

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