Biodegradation of diisodecyl phthalate (DIDP) by Bacillus sp. SB-007

Abstract

In this study, diisodecyl phthalate (DIDP) was efficiently degraded by Bacillus sp. SB-007. The optimal conditions for DIDP (100 mg l-1) degradation by Bacillus sp. SB-007 in a mineral salts medium were found to be pH 7.0 at 30 °C, stirring at 200 rpm. The specific rate of DIDP degradation was found to be concentration dependent with a maximum of 4.87 mg DIDP l-1 h-1. DIDP was transformed rapidly by Bacillus sp. SB-007 with the formation of monoisodecyl phthalate and phthalic acid, which subsequently degraded further. These results highlight the potential of this bacterium for removing DIDP contaminated waste in the environment. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.