Ag2O/Ag2MoO4-H2O2体系高效降解孔雀石绿的研究
Industrial Water Treatment(2021)
Abstract
采用水热法制备了Ag2O/Ag2MoO4复合催化剂,并对其进行表征.成功构建了Ag2O/Ag2MoO4-H2O2催化体系降解有机染料孔雀石绿(MG).实验结果表明,在催化剂投加量为0.5 g/L,H2O2浓度为50 mmol/L,溶液初始pH为4.5,反应温度为25℃,MG质量浓度为30 mg/L的最佳反应条件下,催化体系对MG的催化降解率高达99.8%.所制备的Ag2O/Ag2MoO4催化剂能在较宽的pH范围内(2.5~6.5)保持很好的催化活性,且催化剂具有优异的稳定性,经过5次重复使用后,MG的降解率仍可达到93%以上.
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