Stabilization of brown coal fly ash using geopolymers

Linda Zou, Yung Tse Hung, Piotr Bankowski

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Fly ash had been a problem for many power stations. This study has focused on using an encapsulation technique to stabilize the fly ash by a geopolymer. The potential of a geopolymer to stabilize fly ash was explored through the use of four geopolymer formulations. The leach rates of untreated fly ash helped to target of seven elements that are arsenic, barium, beryllium, selenium, strontium, calcium, and potassium. The lowest leach rates were observed at the geopolymer formulation with Si/Al=2.

Original languageBritish English
Title of host publicationHandbook of Environment and Waste Management
Subtitle of host publicationVolume 2: Land and Groundwater Pollution Control
Pages551-592
Number of pages42
ISBN (Electronic)9789814449175
DOIs
StatePublished - 1 Jan 2013

Keywords

  • Fly ash
  • Geopolymer
  • Metal leaching
  • Stabilization
  • Waste management

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