3.6 Biofilm Processes and Control in Water and Wastewater Treatment

C. S. Butler; J. P. Boltz

doi:10.1016/B978-0-12-382182-9.00083-9

3.6 Biofilm Processes and Control in Water and Wastewater Treatment

C. S. Butler, J. P. Boltz

Research output: Chapter in Book/Report/Conference proceeding › Chapter

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 language	English (US)
Title of host publication	Comprehensive Water Quality and Purification
Publisher	Elsevier
Pages	90-107
Number of pages	18
ISBN (Electronic)	9780123821829
ISBN (Print)	9780123821836
DOIs	https://doi.org/10.1016/B978-0-12-382182-9.00083-9
State	Published - Jan 1 2013
Externally published	Yes

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

Engineering(all)
Environmental Science(all)

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10.1016/B978-0-12-382182-9.00083-9

Cite this

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AU - Boltz, J. P.

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AB - 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.

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KW - Biofilm treatment

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KW - Biologically active filters

KW - Fluidized bed reactors

KW - Membrane biofilm reactors

KW - Microbial fuel cells

KW - Moving bed biofilm reactors

KW - Suspended biofilm reactors

KW - Trickling filters

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ER -

3.6 Biofilm Processes and Control in Water and Wastewater Treatment

Abstract

Keywords

ASJC Scopus subject areas

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