Degrading high-strength phenol using aerobic granular sludge

Kuo-Ling Ho, Yu-You Chen, Bin Lin, Duu-Jong Lee

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

48 Citations (Scopus)

Abstract

Aerobic granules were adopted to degrade high-strength phenol wastewater in batch experiments. The acclimated granules effectively degraded phenol at a concentration of up to 5,000 mg l-1 without severe inhibitory effects. The biodegradation of phenol by activated sludge was inhibited at phenol concentrations >3,000 mg l-1. The granules were composed of cells embedded in a compact extracellular matrix. After acid or alkaline pretreatment, the granules continued to degrade phenol at an acceptable rate. The polymerase chain reaction-denaturing gradient gel electrophoresis technique was employed to monitor the microbial communities of the activated sludge and the aerobic granules following their being used to treat high concentrations of phenol in batch tests. © 2009 Springer-Verlag.
Original languageEnglish
Pages (from-to)2009-2015
JournalApplied Microbiology and Biotechnology
Volume85
Issue number6
DOIs
Publication statusPublished - Feb 2010
Externally publishedYes

Bibliographical note

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Research Keywords

  • DGGE
  • Granule
  • Haldane model
  • Kinetics
  • Microbial community

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