Removal of pharmaceuticals and organic matter from municipal wastewater using two-stage anaerobic fluidized membrane bioreactor

Kasturi Dutta, Ming Yi Lee, Webber Wei Po Lai, Chien Hsien Lee, Angela Yu Chen Lin, Cheng Fang Lin, Jih-Gaw Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

The aim of present study was to treat municipal wastewater in two-stage anaerobic fluidized membrane bioreactor (AFMBR) (anaerobic fluidized bed reactor (AFBR) followed by AFMBR) using granular activated carbon (GAC) as carrier medium in both stages. Approximately 95% COD removal efficiency could be obtained when the two-stage AFMBR was operated at total HRT of 5h (2h for AFBR and 3h for AFMBR) and influent COD concentration of 250mg/L. About 67% COD and 99% TSS removal efficiency could be achieved by the system treating the effluent from primary clarifier of municipal wastewater treatment plant, at HRT of 1.28h and OLR of 5.65kg COD/m 3 d. The system could also effectively remove twenty detected pharmaceuticals in raw wastewaters with removal efficiency in the range of 86-100% except for diclofenac (78%). No other membrane fouling control was required except scouring effect of GAC for flux of 16LMH.

Original languageEnglish
Pages (from-to)42-49
Number of pages8
JournalBioresource Technology
Volume165
Issue numberC
DOIs
StatePublished - 1 Jan 2014

Keywords

  • Anaerobic
  • Fluidized bed reactor
  • Membrane bioreactor
  • Pharmaceuticals

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