Cement kiln dust-sand permeable reactive barrier for remediation of groundwater contaminated with dissolved benzene

被引：16

作者：

Faisal, Ayad A. H. ^{[1
]}

Jasim, Hadeel K. ^{[2
]}

Naji, Laith A. ^{[1
]}

Naushad, Mu. ^{[3
]}

Ahamad, Tansir ^{[3
]}

机构：

[1] Univ Baghdad, Coll Engn, Dept Environm Engn, Baghdad, Iraq

[2] Middle Tech Univ, Inst Technol, Baghdad, Iraq

[3] King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi Arabia

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2021年 / 56卷 / 05期

关键词：

Sustainable; organic pollutants; sorption; permeable reactive barrier; EQUILIBRIUM ISOTHERM; EFFICIENT REMOVAL; AQUEOUS-SOLUTIONS; ACTIVATED CARBON; PI INTERACTION; HEAVY-METAL; ADSORPTION; BIOSORPTION; IONS; SORPTION;

D O I：

10.1080/01496395.2020.1746341

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The interaction of cement kiln dust and simulated acidic groundwater (pH = 3) contaminated with benzene were studied. FTIR results showed that cation-pi and H-bonding interactions had a major role in the removal process. The concentration of benzene in the effluent water and hydraulic conductivity of the continuous experiments was used to evaluate the performance of permeable reactive barrier for 60 days. The increase of CKD improves the performance of the bed with efficiency ranged from 40% to 90%, but clear decrease in the hydraulic conductivity was observed due to the accumulation of the benzene in the beginning of the barrier.

引用

页码：870 / 883

页数：14

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