Abstract
The effects of initial microbial concentration and the coexistence of biodegradable substrates on the acclimation of microbes to acrylonitrile (AN) was investigated in an aerobic submerged biofilter using respiratory quinone profiles. The acclimation of microbes to AN was accelerated by increased initial microbial concentrations in the biofilter and by the coexistence of glucose and peptone in the influent. The change in quinone profiles of microbial films during the course of acclimation suggested that Brevibacterium sp., Pseudomonas aeruginosa and Corynebacterium sp. contributed to the degradation of AN in the aerobic biofilter.
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