Abstract

Biotransformation of persistent organic pollutants (POPs) may be affected by many factors such as biostimulation and bioaugmentation whether beneficial or not. Served as natural healthy medical stone, feed additive and also filters for their adsorption capability in water purification function, was used widely in China. In this paper, PCB 118 was selected as typical polychlorinated biphenyl to study maifanite additive influence on the degradating efficiency of marine fungi for POPs. The results of controlled trials by two penicillium fungus showed thatthe degradation rates of PCB 118 were higher with maifanite as promoting additive than mediums without maifanite. Significant differences were found in further analysis of zeta potential of maifanite in solutions from pH 2 to pH 9 suggesting different adsorption capability of maifanite at different pH levels.

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