Biofilm processes in biologically active carbon water purification

This review paper serves to describe the composition and activity of a biologically active carbon (BAC) biofilm used in water purification. An analysis of several physical–chemical, biochemical and microbiological methods (indicators) used to characterize the BAC biofilm's composition and activ...

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Bibliographic Details
Published in:Water research (Oxford) 2008-06, Vol.42 (12), p.2839-2848
Main Author: Simpson, David R.
Format: Article
Language:English
Subjects:
Activity
Adsorption
Applied sciences
Bacterial Physiological Phenomena
Biodegradation
Biofilm
Biofilms
Biologically active carbon
carbon
Carbon - chemistry
Composition
disinfection
Entrapment
Exact sciences and technology
filtration
Indicators
literature reviews
microbial activity
organic compounds
Other industrial wastes. Sewage sludge
ozonation
physicochemical properties
pollutants
Pollution
Process control
Wastes
Water Pollutants, Chemical - metabolism
water pollution
Water purification
Water Purification - methods
water treatment
Water treatment and pollution
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Description
Summary:This review paper serves to describe the composition and activity of a biologically active carbon (BAC) biofilm used in water purification. An analysis of several physical–chemical, biochemical and microbiological methods (indicators) used to characterize the BAC biofilm's composition and activity is provided. As well, the ability of the biofilm to remove and biodegrade waterborne organic substances and pollutants will be reviewed, with context to other industrial processes such as pre-ozonation and post-membrane filtration. Strategies to control the growth of the BAC biofilm, such as varying the nutrient loading rate, manipulating influent DO and pH levels, altering the frequency of BAC filter backwashing and applying oxidative disinfection, will be described in detail along with their respective process control challenges.
ISSN:0043-1354
1879-2448
DOI:10.1016/j.watres.2008.02.025