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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:WANG Xiang-yu,Liu HuiLing.Catalytic dechlorination of chlorinated methanes by nanoscale Pd/Fe bimetallic particles[J].Journal of Harbin Institute Of Technology(New Series),2010,17(1):24-28.DOI:10.11916/j.issn.1005-9113.2010.01.005.
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Catalytic dechlorination of chlorinated methanes by nanoscale Pd/Fe bimetallic particles
Author NameAffiliation
WANG Xiang-yu School of Municipal and Environmental Engineering, State Key Laboratory of Urban Water Resources and Environment, Harbin Institute of Technology, Harbin 150090, China 
Liu HuiLing School of Municipal and Environmental Engineering, State Key Laboratory of Urban Water Resources and Environment, Harbin Institute of Technology, Harbin 150090, China 
Abstract:
This paper examined the potential of using laboratory-synthesized nanoscale Pd/Fe bimetallic particles to dechlorinate chlorinated methanes, including dichloromethane (DCM), trichloromethane (CF) and tetrachloromethane (CT). Nanoscale Pd/Fe bimetallic particles were characterized in terms of surface area, morphology, size and structure. The parameters affecting the dechlorination efficiency were studied through batch experiments. Effects of Pd content, Pd/Fe addition, and the initial pH value of reaction system on the dechlorination efficiency of chlorinated methanes were determined systematically. Results show that nanoscale Pd/Fe bimetallic particles play a prominent role in the dechlorination of chlorinated methanes. The change of pH value and ferrous ion concentration during dechlorination reaction were also investigated in this study. It is found that the dechlorination efficiency of chlorinated methanes is in the order of CT> CF> DCM.
Key words:  nanoscale Pd/Fe bimetallic particles  chlorinated methane  dechlorination
DOI：10.11916/j.issn.1005-9113.2010.01.005
Clc Number:X703.1
Fund:

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