Particle destabilization for tertiary treatment of municipal wastewater by filtration

M. Ghosh*, A. Amirtharajah, A. Adin

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

16 Scopus citations

Abstract

The optimization of the chemical pretreatment process prior to tertiary filtration of municipal secondary effluent was studied. Jar tests involving coagulation with alum, flocculation, settling and filtration were conducted on secondary effluent samples and these established the occurrence of two distinct coagulation mechanisms: the mechanisms of charge neutralization, and the mechanism of sweep coagulation at different alum dosages and pH conditions. Particle size analysis of the settled and filtered effluent was also conducted in both the charge neutralization and the sweep coagulation zones.

Original languageEnglish
Pages (from-to)209-218
Number of pages10
JournalWater Science and Technology
Volume30
Issue number9 pt 9
DOIs
StatePublished - 1994
Externally publishedYes
EventProceedings of the 17th Biennial Conference of the International Association on Water Quality. Part 8 - Budapest, Hung
Duration: 24 Jul 199430 Jul 1994

Keywords

  • Coagulation
  • Filtration
  • Particle size distribution
  • Reuse
  • Secondary effluent
  • Turbidity
  • Wastewater

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