Study on the degradation of accumulated bisphenol S and regeneration of magnetic sludge-derived biochar upon microwave irritation in the presence of hydrogen peroxide for application in integrated process.
作者： Ying Lv , Jingyi Zhang , Michael Engda Asgodom , Dingyi Liu , Huifang Xie
DOI: 10.1016/J.BIORTECH.2019.122072
关键词: Bisphenol S 、 Chemical engineering 、 Hydrogen peroxide 、 Chemistry 、 Adsorption 、 Pollutant 、 Scavenger (chemistry) 、 Degradation (geology) 、 Catalytic oxidation 、 Biochar
摘要: Abstract Based on the multi-functional magnetic sludge-derived biochar (MSBC), an innovative integrated process–coupling accumulation by adsorbing, degradation microwave (MW)-induced catalytic oxidation in presence of H2O2 and regeneration adsorbent simultaneously, was proposed. In this study, bisphenol S (4,4′-sulfonyldiphenol) chosen as pollutant model, its behaviors related mechanism BPS MSBC MW + H2O2 system were investigated. The effective proved decoupling adsorption with solvent extraction. OH h+ play vital roles based scavenger tests. synergistic effects hot-spot irradiation, activation H2O2, charge transfer-induced doping attributed to reactions. This work proves feasibility economics energy-save treatment approach for low concentration organic pollutants water.
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