Utilization of Cement Kiln Dust in Production of Alkali-Activated Clinker-Free Binders

DOI

10.2991/isees-19.2019.89How to use a DOI?

Keywords

portland cement clinker; aspiration dust; electrostatic precipitator dust; alkali metals; dispersion; rotary kiln; dust emission.

Abstract

During burning of Portland cement clinker, a large amount of both clinker and aspiration dust accumulates in electrostatic precipitators and rotary kilns; therefore, rational use of these products containing a certain portion of a complete raw material is an important task in the cement industry. It is noted that reuse of dust from electrostatic precipitators through recycling in the kiln is impossible, since it contains a high amount of alkali-containing impurities, and this will have a negative effect on the clinker quality. Therefore, the paper presents a practicable method of utilization of cement kiln dust in production of alkali-activated clinker-free binders and concrete based on these binders. The results obtained in the study of cement kiln dust are presented, and the energy dispersive and comparative analyses of the test powders are carried out. The results of chemical analysis are used to determine the relationship between oxides in the form of appropriate moduli and saturation factor. Recipes for alkali-activated binders are developed, and their properties are studied.

Copyright

© 2019, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - D.K-S. Bataev
AU  - M.Sh. Salamanova
AU  - S-A.Yu. Murtazaev
AU  - S.S. Viskhanov
PY  - 2019/08
DA  - 2019/08
TI  - Utilization of Cement Kiln Dust in Production of Alkali-Activated Clinker-Free Binders
BT  - Proceedings of the International Symposium "Engineering and Earth Sciences: Applied and Fundamental Research" dedicated to the 85th anniversary of H.I. Ibragimov (ISEES 2019)
PB  - Atlantis Press
SP  - 368
EP  - 371
SN  - 2590-3217
UR  - https://doi.org/10.2991/isees-19.2019.89
DO  - 10.2991/isees-19.2019.89
ID  - Bataev2019/08
ER  -