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Catalytic oxidation degradation of crystal violet by BiFeO3/H2O2 system
Author(s): GUO Xiaojun, LI Yutian, WU Qingyan
Pages: 92-
95
Year: 2014
Issue:
4
Journal: Petrochemical Industry Application
Keyword: 铁酸铋; 过氧化氢; 降解; 结晶紫;
Abstract: 以铁酸铋为催化剂,H2O2为氧化剂,催化氧化降解结晶紫染料废水,并考察了各因素对褪色率的影响.实验结果表明,BiFeO3/H2O2处理150 mg/L结晶紫废水,在pH值为8.0、温度308 K、H2O2用量0.83%、铁酸铋用量0.6 g/L、反应时间60 min下,结晶紫褪色率可达99%以上.反应动力学实验表明该过程近似为一级反应,在308 K时反应速率常数为0.092 89 min-1,表观活化能为23.77kJ/mol.
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