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Article: Scientists at University of Waterloo target environmental engineering.
- Article from:
- Ecology, Environment & Conservation
- Article date:
- November 20, 2009
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According to recent research from Waterloo, Canada, "Octane was eliminated from contaminated air in a biofilter at concentrations ranging from 500-2,000 ppm, with a maximum elimination capacity of 90 g/m(3) h. After periods of shutdown of up to 30 days, the biofilter rapidly reacclimated, recovering its destruction and removal efficiency (overall octane removal) within 1-2 h of restart; this recovery was shown to be due to biodegradation and not simply adsorption of the octane."
"Carbon recovery during restart was estimated to be approximately 0.25 mol CO2/mol C, based on on-line carbon dioxide monitoring, corresponding to a nonsteady state biomass yield of 1.19 ...