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In this study, we evaluated for the first time the capacity of six biochars to remove gaseous ozone, adsorbed nitrate and aqueous bisphenol A (BPA). An experimental setup was developed to study the heterogeneous chemistry of ozone and nitrate on the surface of biochars. Biochars showed excellent performance in removing ozone (55 ppbv) for periods up to 24 h, and no volatile byproducts were observed...
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