Microbial community structure in a drinking water GAC filter

Hsin Hsin Tung, John M. Regan, Richard F. Unz, Yuefeng F. Xie

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The biofilm community structure in a granular activated carbon (GAC) filter was investigated by ribosomal intergenic spacer region analysis (RISA). The results showed that microbial diversity diminished and stabilized with time of filter operation. One bacterium (Hydrogenophaga palleronii) was identified according to its 16S-rRNA sequence. However, this bacterium did not degrade any of the HAAs tested. Another bacterium was isolated from biofilm enrichment cultures and was capable of degrading CIAA and Cl2AA.

Original languageEnglish (US)
Pages (from-to)267-271
Number of pages5
JournalWater Science and Technology: Water Supply
Issue number2
StatePublished - 2006

All Science Journal Classification (ASJC) codes

  • Water Science and Technology


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