催化作用
吸附
化学
亚甲蓝
Zeta电位
无机化学
降级(电信)
化学工程
比表面积
价(化学)
电子转移
兴奋剂
材料科学
光催化
光化学
物理化学
有机化学
纳米颗粒
电信
工程类
光电子学
计算机科学
作者
Xunhe Wang,Meilin He,Zhaodong Nan
标识
DOI:10.1016/j.seppur.2020.117765
摘要
Na and Fe co-doped g-C3N4 was selected as a Fenton-like catalyst to degrade Methylene blue (MB). The properties of the catalyst changed with different contents of Fe and Na. The adsorption capacity and degradation ratio for MB increased from 1.16% to 56.7% and 89.6% to 98.4%, respectively, when partial Fe was replaced by Na. And the rate constants increased from 0.0886 min−1 to 0.1702 min−1. The experimental results indicate that the adsorption capacity and the activity site of the catalyst are the key effects on the catalytic activity. The adsorption capacity was affected by the zeta potential of the catalyst. It was almost not effects of between specific surface area, electron transfer, band gap, and positions of the valence band potential and conduction band potential on the catalytic activity. This study may give a sustainable strategy to synthesize catalysts with enhanced activity for the Fenton reaction.
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