Denitrification with acrylonitride as a substrate using pure bacteria cultures isolated form acrylonitrile-butadiene-styrene wastewater

摘要

This study attempted to isolate and identify the denitrifying bacteria that utilize arylonitrile as a substrate from acrylonitrile-butadiene- styrene (ABS) resin wastewater. The performance of the denitrifying bacteria for treating different initial acrylonitrole concentrations was also investigated under anoxic conditions. The results showed that seven strains of denitrifying bacteria that can use acrylonitrile or acrylic acid as a substrate were isolated form the denitrification tank of a wastewater treatment plant in a ABS resin manufacturing plant and a lab-scale anoxic granular activated carbon-fluidized bed.