摘要
本实验研究以模拟含柴油废水为研究对象,研究了木质素酶对含柴油污水中柴油的酶催化氧化降解情况。考察了溶液pH值、催化时间、木质素酶浓度、反应温度、柴油初始浓度等不同要素对酶催化氧化效果的影响。通过正交实验确定最佳实验条件为:柴油初始浓度为0.3 g·L~(-1),木质素酶浓度为12 mg·L~(-1),pH值为5.5,反应温度为30℃,反应时间为3h,柴油的去除率可达90.17%。
The simulated wastewater with diesel as object of this study, we do research on using the ligninolytic enzyme to catalyze oxidation it and get circumstance of diesel degradation. The effects on the catalytic oxidation of the enzyme under the different factors, such as solution pH value, catalysis time, concentration of ligninolytic enzyme, reaction temperature and initial concentration of diesel oil, are investigated. Orthogonal experiments determine the following optimum experimental conditions: initial concentration of diesel oil is 0.3 g·L~(-1), the concentration of ligninolytic enzyme is 12 mg·L~(-1), the pH value is 5.5, the reaction temperature is 30 ℃, the reaction time is 3 h, the removal rate of diesel oil is up to 90.17%.
引文
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