DBPapers
DOI: 10.5593/sgem2011/s20.179

TIME-DEPENDENCE OF THE ZEOLITIZATION OF FLY ASH FROM MARITSA 3 TPP, BULGARIA: SEM-EDX INVESTIGATION

AUTHOR/S: A. SHOUMKOVA, V. STOYANOVA, TS. TSACHEVA
Monday 1 August 2011 by Libadmin2011

11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 3, 747-754 pp

ABSTRACT

The process of alkaline hydrothermal activation (with NaOH) of fly ash from Bulgarian
coal-burning thermo-power plant “Maritsa 3” has been investigated by means of
scanning electron microscopy and energy-dispersive X-Ray analyses. The stages of the
zeolitization have been discussed on the base of the obtained data for the morphology
and composition of typical individual particles from the zeolitized fly ash samples,
synthesized at different treatment duration. The influences of pre-treatment and posttreatment
ageing of the suspensions have been also examined.

Keywords: Coal fly ash, Zeolitization, Hydrothermal activation, SEM-EDX

PAPER 2011/s20.179: TIME-DEPENDENCE OF THE ZEOLITIZATION OF FLY ASH FROM MARITSA 3 TPP, BULGARIA: SEM-EDX INVESTIGATION

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