研究了利用光催化氧化降解反应实现饱和吸附苯酚的煤质活性炭光催化再生的可行性,并分析了活性炭的光催化再生机理. 结果表明,在一定条件下可以实现活性炭的光催化再生. 在Ag-TiO2负载量为1.9%,pH=13,θ=70 ℃,t=72 h的再生条件下,活性炭的再生率可达78.4%. 在光照条件下,光催化剂作为有机物的降解中心而造成活性炭内外吸附苯酚的浓度差是活性炭光催化再生的主要驱动力.
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