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超声波-表面活性剂修复柴油污染土壤实验研究 被引量:4

COMBINING ULTRASOUND WITH SURFACTANTS TO REMEDIATE DIESEL OIL CONTAMINATED SOIL
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摘要 采用超声波联合十二烷基苯磺酸钠(LAS)和烷基聚葡糖苷(APG1214)修复柴油污染土壤。考察了表面活性剂浓度、液固比、超声时间、超声波功率、超声温度等对柴油去除效果的影响。当表面活性剂浓度为4g/L,液固比为20∶1,超声波功率为500 W,在25℃下超声15 min,使用APG1214去除柴油效果优于LAS,对不同污染程度土壤柴油的去除率分别达到78.8%、88.1%及90.5%。 LAS and APG1214 were selected,combined with ultrasonic respectively,to the remediation of diesel oil contaminated soil. The effect of different influencing factors like surfactant concentration,water-soil ratio,ultrasonic processing time,ultrasound power and ultrasound temperature were discussed. The experimental results showed that the cleanup effect of combining ultrasound with surfactants for diesel oil contaminated soil was obvious, and the optimum conditions were:Surfactant concentration of 4 g / L,water-soil samples with different contamination extent ratio of 20∶ 1,ultrasound power of 500 W,ultrasound 15 min at 25 ℃. The removal rate of three kinds of soil samples with different contamination extent reached respectively to 78. 8%,88. 1% and 90. 5%.
出处 《环境工程》 CAS CSCD 北大核心 2016年第4期181-185,160,共6页 Environmental Engineering
关键词 超声波 表面活性剂 柴油 土壤修复 surfactant ultrasound diesel oil soil remediation
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参考文献16

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