Electrokinetic Removal of Manganese from River Sediment

被引：16

作者：

Genc, Ayten ^{[1
]}

Chase, George ^{[2
]}

Foos, Annabelle ^{[3
]}

机构：

[1] Zonguldak Karaelmas Univ, Dept Environm Engn, TR-67100 Zonguldak, Turkey

[2] Univ Akron, Dept Chem & Biomol Engn, Akron, OH 44325 USA

[3] Univ Akron, Dept Geol & Environm Sci, Akron, OH 44325 USA

来源：

WATER AIR AND SOIL POLLUTION | 2009年 / 197卷 / 1-4期

关键词：

Manganese; River sediment; Electrokinetic remediation technique; CONDITIONING CATHOLYTE PH; REMEDIATION; SOIL; KAOLINITE; AGENTS; FLOW; CU;

D O I：

10.1007/s11270-008-9796-7

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Manganese was removed from naturally polluted river sediment by applying an electrokinetic remediation technique. The sediment was alkaline and had 20% clay, which was mainly illite. The electrokinetic remediation experiments were performed by controlling pHs in the electrode cells and reverse electroosmotic flows were observed, i.e., water moved from cathode towards anode. Manganese accumulated in areas closer to cathode, however, other metals, such as copper, zinc and lead were mostly observed in the middle section of the sediment. As a result of reverse electroosmotic flow, the removal efficiencies of metals were low and the highest removal efficiencies of manganese, copper and lead, were evaluated as 18%, 20% and 12%, respectively. Almost no removal of zinc was observed in all electrokinetic remediation experiments.

引用

页码：131 / 141

页数：11

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