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Kinetics of high strength phenol degradation using Bacillus brevis [An article from: Journal of Hazardous Materials]
Description
This digital document is a journal article from Journal of Hazardous Materials, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
A strain of Bacillus brevis has been isolated and identified based on biochemical results. Phenol biodegradation in a batch reactor was studied using the pure culture of B. brevis. The isolated strain was optimized for various environmental conditions and the biodegradation of phenol was maximum at pH 8.0, 5% (v/v) of inoculum size and without any co-substrate. The kinetics of biodegradation according to Haldane's equation @m=@m"m"a"xS/(K"s+S+(S^2/K"i)) adequately describes cell growth with kinetic constants in the ranges @m"m"a"x=0.026-0.078h^-^1, K"s=2.2-29.31mg/l, K"i=868.0-2434.7mg/l. These values are specific for this organism and we have compared with literature for pure or mixed cultures degrading phenol.
Description:
A strain of Bacillus brevis has been isolated and identified based on biochemical results. Phenol biodegradation in a batch reactor was studied using the pure culture of B. brevis. The isolated strain was optimized for various environmental conditions and the biodegradation of phenol was maximum at pH 8.0, 5% (v/v) of inoculum size and without any co-substrate. The kinetics of biodegradation according to Haldane's equation @m=@m"m"a"xS/(K"s+S+(S^2/K"i)) adequately describes cell growth with kinetic constants in the ranges @m"m"a"x=0.026-0.078h^-^1, K"s=2.2-29.31mg/l, K"i=868.0-2434.7mg/l. These values are specific for this organism and we have compared with literature for pure or mixed cultures degrading phenol.
