期刊
CHEMOSPHERE
卷 73, 期 1, 页码 138-141出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2008.04.051
关键词
PCBs removal; mechanochemical dechlorination; metal; hydrogen donor
资金
- National Research Foundation of Korea [과C6A1905] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This paper assesses the potential of mechanochemical method with fine metal powder, glycol and alka for polychlorinated biphenyls (PCBs) removal from waste insulating oil. The effects of relevant parameters, such as kinds of chemicals, rate and time of milling were examined. After each run, the total PCB content in waste insulating oil was measured. Polyethylene glycol 200, long chain-glycol was more effective than triethylene glycol and ethylene glycol, short chain-glycol as hydrogen donor in mechanochemical dechlorination of PCBs. A maximum of 99.9% PCBs removal (below 2 ppm) and 94% total chlorin removal were achieved with the mechanochemical process for 2 h. (c) 2008 Elsevier Ltd. All rights reserved.
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