An Acidic Injection Well Technique for Enhancement of the Removal of Copper from Contaminated Soil by Electrokinetic Remediation Process

被引：11
|
作者：
Faisal, Ayad A. H. [1 ]
Hussein, Ahmed A. [2 ]
机构：
[1] Univ Baghdad, Dept Environm Engn, Coll Engn, Baghdad, Iraq
[2] Univ Al Mustansiriyah, Dept Environm Engn, Coll Engn, Baghdad, Iraq
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2015年 / 50卷 / 16期
关键词：
copper; electro-kinetic; electro-osmosis; soil clean-up; electrical field; GRANULAR ACTIVATED CARBON; HEAVY-METALS; KAOLINITE; REGENERATION; TRANSPORT; CLAY; LEAD; ZN; CU;
D O I：
10.1080/01496395.2015.1059347
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An experimental study constituting eight different tests was performed to investigate the effect of relevant factors on the remedial efficiency of electro-kinetic process applied to clean-up Cu contaminant from three types of Iraqi soil. An efficiency enhancement scheme was employed involving pH control, acid-injection wells, and optimized potential gradient as part of the investigative program. With pH controlled within the range 2.5-3, four acid-injection wells, and a potential gradient of 0.8 V/cm; overall clean-up efficiencies of 85%, 58%, and 34% were achieved for sandy, sandy loam, and silty loam soils, respectively.
引用
收藏
页码：2578 / 2586
页数：9
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