Enhanced electrokinetic remediation of quinoline-contaminated soils |
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Authors: | Dajun Ren Sisi Zhou Qian Li Chunxing Wang Shuqin Zhang Huiling Zhang |
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Affiliation: | 1. Environment Science and Engineering Department, College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, Chinadj_ren@163.com;3. Environment Science and Engineering Department, College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, China |
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Abstract: | ABSTRACTThe aim of this investigation was to examine the ability of enhanced electrokinetic (EK) remediation to efficiently remove quinoline from contaminated kaolinite soils. In order to accomplish this, the effect of a voltage gradient and anode buffer concentration on migration of quinoline in kaolinite was determined. The results showed that EK transport process effectively stimulated desorption and movement of quinoline in kaolinite. The rate and distance of migration rose with increasing voltage gradient and anode buffer concentration under certain conditions. The mechanisms that drive quinoline migration by electrodynamic processes were established as attributed to either electromigration or electroosmosis, and both played key roles in driving quinoline to migrate towards the cathode. |
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Keywords: | Quinoline electrokinetics electromigration electroosmosis soil |
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