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Effective removal of aromatic pollutants via adsorption and photocatalysis of porous organic frameworks

机译:通过对多孔有机框架的吸附和光催化有效除去芳香污染物

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PAF-45 with a wholly aromatic framework, intrinsic microporosity and π–π conjugation system shows excellent performance in aromatic pollutant removal. It exhibits a high adsorption capacity for the benzene series and moderate photocatalytic performance. As an adsorbent, PAF-45 can adsorb 35 wt% benzene and 68 wt% chlorobenzene in static adsorption experiments at room temperature and pressure. In benzene simulation wastewater, PAF-45 also shows excellent adsorption capacity, without significant reduction after 10 cycles of the adsorption–desorption process. Moreover, PAF-45 exhibits an impressive photocatalytic degradability of aromatic compounds, like aniline and phenol, under visible light illumination.
机译:具有全芳族框架的PAF-45,内在微孔和π-π共轭系统显示出优异的芳香污染物去除性能。它对苯系列和中等光催化性能表现出高吸附能力。作为吸附剂,PAF-45可以在室温和压力下在静态吸附实验中吸附35wt%苯和68wt%氯苯。在苯模拟废水中,PAF-45还显示出优异的吸附能力,在吸附 - 解吸过程的10个循环后,不显着降低。此外,PAF-45在可见光照射下表现出芳香化合物的令人印象深刻的光催化可降解性,如苯胺和苯酚。

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