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ORIGINAL ARTICLE
Year : 2016  |  Volume : 5  |  Issue : 1  |  Page : 18

Combination of microwave radiation and a nucleophile material in alkaline environment on the destruction of aroclor 1262 in real transformer waste oil


1 Department of Environmental Health, Lorestan University of Medical Science, Khoramabad, Iran
2 Department of Occupational Health, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
3 Department of Environmental Health, Iran University of Medical Science, Tehran, Iran

Correspondence Address:
Dr. Hasan Asilian Mahabadi
Department of Occupational Health, Faculty of Medical Sciences, Tarbiat Modares University, Tehran
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2277-9183.190644

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Aims: This research was done to assess the dechlorination and destruction of polychlorinated biphenyls (PCBs) in real-waste transformer oil via microwave (MW) radiation. Materials and Methods: The influence of MW power, reaction time, polyethylene glycol, zero-valent iron powder, sodium hydroxide (NaOH), and water (H 2 O) were investigated on the dechlorination and destruction efficiency of PCBs in real-waste transformer oil under MW radiation. Results: The findings show that polyethylene glycol and NaOH have great influence on destruction of PCBs. However, iron (Fe) did not have any influence, and H 2 O decreased the destruction efficiency of PCBs. Moreover, experimental data showed that with optimum amount of variables [ie, polyethylene glycol (PEG) = 5.4 g, NaOH = 1.13g, Fe = 0.6g, H 2 O = 0.8 mL, and MW power of 800 W], more than 99.9% of PCBs were destructed at reaction time of 6 min. Furthermore, destruction of PCBs in the absence of water increased up to 100% after 6 min. Conclusion: Accordingly, results showed that MW radiation and reactants (PEG and NaOH) were very important factors for the destruction of PCBs from real-waste transformer oil.


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