PRELIMINARY STUDY OF LOW-GRADE CLAY AS SECOND-ARY RAW MATERIAL FOR GEOPOLYMER

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Authors

  • Siti Natrah Abd Bakil University of Miskolc
  • Ferenc KRISTÁLY University of Miskolc
  • Gábor MUCSI University of Miskolc

Keywords:

low-grade clays, kaolinite, geopolymer

Abstract

The aim of this paper is to promote the use of low-grade clay as silicon and aluminum bearing material for geopolymer applications. This study presents definition of low-grade clay, sources and preliminary results of low-grade clay from waste of coal mining (coal gangue) and clay deposit. The results show low-grade clay contain kaolinite and amorphous below 20% with impurities more than 64% that has significant impact in term of reactivity. Thus, the preliminary result provided valuable idea and better understanding of low-grade clay in particular for reuse in geopolymer applications

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Published

2023-10-11

Issue

Vol. 11 No. 1 (2023)

Section

Articles