Document Detail

Use of solar cell in electrokinetic remediation of cadmium-contaminated soil.
MedLine Citation:
PMID:  18656308     Owner:  NLM     Status:  MEDLINE    
This preliminary study used a solar cell, instead of direct current (DC) power supply, to generate electric field for electrokinetic (EK) remediation of cadmium-contaminated soil. Three EK tests were conducted and compared; one was conducted on a cloudy and rainy day with solar cell, one was conducted on a sunny day with solar cell and another was conducted periodically with DC power supply. It was found that the output potential of solar cell depended on daytime and was influenced by weather conditions; the applied potential in soil was affected by the output potential and weather conditions, and the current achieved by solar cell was comparable with that achieved by DC power supply. Solar cell could be used to drive the electromigration of cadmium in contaminated soil, and removal efficiency achieved by solar cell was comparable with that achieved by DC power supply. Compared with traditional DC power supply, using solar cell as power supply for EK remediation can greatly reduce energy expenditure. This study provided an alternative to improve the EK soil remediation and expanded the use of solar cell in environmental remediation.
Songhu Yuan; Zhonghua Zheng; Jing Chen; Xiaohua Lu
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-06-20
Journal Detail:
Title:  Journal of hazardous materials     Volume:  162     ISSN:  0304-3894     ISO Abbreviation:  J. Hazard. Mater.     Publication Date:  2009 Mar 
Date Detail:
Created Date:  2008-12-22     Completed Date:  2009-04-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  1583-7     Citation Subset:  IM    
Environmental Science Research Institute, Huazhong University of Science and Technology, Wuhan 430074, PR China.
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MeSH Terms
Cadmium / isolation & purification*
Environmental Remediation / methods*
Hydrogen-Ion Concentration
Soil Pollutants / isolation & purification*
Solar Energy*
Reg. No./Substance:
0/Soil Pollutants; 7440-43-9/Cadmium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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