Removal and toxicity change of endocrine disrupting bisphenol A by using zero valent aluminum nanoparticle

Bisphenol A (BPA) is an industrial pollutant being considered as one of the major endocrine disruptors found in natural water bodies. In the present study, the use of a commercial, nanoscale zero valent aluminum (ZVAl) powder was examined for the treatment of 2 mg/L, aqueous BPA solution.The study focused on hydrogen peroxide (HP) and persulfate (PS) activation with ZVAl to accelerate the oxidation reaction. In addition to the treatment performance in real water samples, the toxicity change was also monitored. In another part of the study, the reuse of SDA nanoparticles has been investigated. In pure water, ZVAl coupled with HP or PS is an effective treatment of BPA particularly when PS was employed as the oxidant. According to the bioassays conducted with the marine photobacteria Vibrio fischeri and the freshwater microalgae Pseudokirchneriella subcapitata, the acute toxicity of BPA exhibited substantial fluctuations during ZVI/PS treatment in pure and real surface water samples.