Biofilm Processes and Control in Water and Wastewater Treatment

C. S. Butler, J. P. Boltz

Research output: Chapter in Book/Report/Conference proceedingChapter

17 Scopus citations

Abstract

Biofilms are important in water and wastewater treatment systems. Biofilms are aggregates of microorganisms suspended in a matrix of extracellular polymeric substances attached to a surface. Their resistance to toxic shocks and retention of slow-growing microorganisms make biofilms advantageous wastewater treatment strategies, achieving efficient removal of a variety of contaminants. Conversely, biofilm mass transfer resistance and predation protection allow them to persist in water distribution systems and other treatment infrastructure where they corrode pipes, reduce pressure head, and allow pathogen persistence. This chapter outlines fundamental biofilm processes, highlights the benefits of biofilm treatment processes, and describes strategies for biofilm control.

Original languageEnglish (US)
Title of host publicationRemediation of Polluted Waters
PublisherElsevier Inc.
Pages90-107
Number of pages18
Volume3
ISBN (Print)9780123821836
DOIs
StatePublished - 2014
Externally publishedYes

Keywords

  • Biofilm
  • Biofilm control
  • Biofilm treatment
  • Biofouling
  • Biologically active filters
  • Fluidized bed reactors
  • Membrane biofilm reactors
  • Microbial fuel cells
  • Moving bed biofilm reactors
  • Suspended biofilm reactors
  • Trickling filters

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

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