不同氧化法对模拟聚合物驱废水降黏效果的影响  

Effects of Different Oxidation Methods on Visbreaking of Simulated Polymer Flooding Wastewater

作　　者：李兰[1] 杨旭[1] 杨德敏[1] 徐燕[1] 万用波[1] 

机构地区：[1]西南石油大学化学化工学院,四川成都610500

出　　处：《化工环保》2012年第1期16-20,共5页Environmental Protection of Chemical Industry

摘　　要：分别采用UV-Fenton试剂氧化法、次氯酸钙氧化法和二氧化氯氧化法处理模拟聚合物驱废水,考察了各工艺条件对废水降黏效果的影响。实验结果表明:在初始废水pH为7、反应温度为50℃、反应时间为20 min的条件下,UV-Fenton试剂氧化法适宜的H2O2加入量为1 mmol/L,n(H2O2)∶n(Fe2+)=10,处理后废水降黏率达65.7%;次氯酸钙氧化法适宜的次氯酸钙加入量为500 mg/L,处理后废水降黏率达81.7%;二氧化氯氧化法适宜的二氧化氯加入量为100 mg/L,处理后废水降黏率为40.9%。3种氧化法对模拟聚合物驱废水的降黏率大小顺序为:次氯酸钙氧化法>UV-Fenton试剂氧化法>二氧化氯氧化法。The simulated polymer flooding wastewater was treated by UV-Fenton reagent oxidation process,calcium hypochlorite oxidation process and chlorine dioxide oxidation process,respectively.The effects of process conditions on the visbreaking of the wastewater were studied.The experimental results show that：Under the conditions of initial wastewater pH 7,reaction temperature 50 ℃,reaction time 20 min,the suitable H2O2 dosage is 1 mmol/L,n（H2O2）∶n（Fe2＋） = 10,the visbreaking rate of the wastewater is 65.7%;The suitable calcium hypochlorite dosage is 500 mg/L,the visbreaking rate of the wastewater is 81.7%;The suitable chlorine dioxide dosage is 100 mg/L,the visbreaking rate of the wastewater is 40.9%.The order of the visbreaking efficiencies of the processes is：calcium hypochlorite oxidation processUV-Fenton reagent oxidation processchlorine dioxide oxidation process.

关 键 词：聚合物驱废水 聚丙烯酰胺 芬顿试剂 次氯酸钙 二氧化氯 黏度 废水处理 

分 类 号：X741[环境科学与工程—环境工程]