The stabilization of sewage sludge by pulverized fuel ash and related materials

Chi Sun Poon, M. Boost

Research output: Journal article publicationJournal articleAcademic researchpeer-review

33 Citations (Scopus)

Abstract

In Hong Kong, with the implementation of the Strategic Sewage Disposal Strategy (SSDS), there will be a substantial increase in the generation of sewage sludge. An alternative method using pulverized fuel ash (PFA) generated from a local coal fire power station and lime to stabilize the sludge for potential beneficial uses is studied. The effects of the stabilizing agents on the leaching of heavy metals and pasturing of coliform are studied. The results show that PFA together with a small percentage of lime addition has the potential to reduce heavy metal leaching and reduce the total coliform content of the stabilized sewage sludge.
Original languageEnglish
Pages (from-to)705-710
Number of pages6
JournalEnvironment international
Volume22
Issue number6
DOIs
Publication statusPublished - 1 Jan 1996

ASJC Scopus subject areas

  • Environmental Science(all)

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