Bisphenol A (BPA) has been used in the synthesis of plastics and it is a coating material for thermal paper which has been used for receipt. BPA is a known endocrine disruptor and it can be accumulated in living body. As the amount of BPA production and use increase over the world, it has been easily found water systems. BPA, which is introduced into water body, adsorbed on sediment and has adverse effect on the water ecosystems. Previous studies showed that BPA can be successfully decomposed by Fenton oxidation in an aqueous phase. However, the treatment of BPA contaminated sediment was not reported yet. Current study focused on the decomposition of BPA adsorbed on a freshwater sediment. The organic contents of the sediment and aging time after adsorption was evaluated in the degradation rate. The sediment particle size distribution also was a major factor which determine the degradation rate. Aging time was the most important factor affecting on the degradation rate. After a month of aging the degradation rate decreased from 97% to 69%. An effective desorption process was needed to enhance the decomposition of BPA adsorbed on a sediment and aged.

Fenton oxidation of bisphenol A in a sediment environment: A pilot study

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