Treatment of anaerobic expanded-bed reactor effluent using cross-flow microfiltration

Muhammad H. Al-Malack*, L. A. Gomez, G. K. Anderson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The feasibility of treating turbid effluent from anaerobic expanded-bed reactor was investigated using crossflow microfiltration in conjunction with dynamic membranes. The primary membrane used throughout the study was made of woven polyester, while the dynamic membrane was formed from manganese dioxide (MnO,) precipitate. Effluent from the anaerobic expanded-bed reactor was treated with and without the addition of a slug dose of a coagulant. Removal efficiency of solids was found to be affected by the hydraulic retention time (HRT) at which the expanded-bed reactor was operating. Bacterial removal was also found to be a function of the HRT. Dosing a slug dose of a coagulant was seen to have a significant effect on the permeate flux and quality which was attributed to agglomeration of particles in the feed.

Original languageEnglish
Pages (from-to)2635-2649
Number of pages15
JournalJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume31
Issue number10
DOIs
StatePublished - 1996

Keywords

  • Anaerobic expanded-bed reactor
  • Crossflow
  • Dynamic membrane
  • Filtration
  • Microfiltration
  • Wastewater treatment

ASJC Scopus subject areas

  • Environmental Engineering

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