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Effect of UV light on pentachlorophenol removal in the electro-Fenton process
چکیده:   (58 مشاهده)
Background: This research studied the effect of UV light on pentachlorophenol (PCP) removal in the electro-Fenton (EF) process.
Methods: PCP was used as the pollutant in this study. The effects of Fenton’s reagent, i.e. hydrogen peroxide concentration, solution pH, and treatment time by EF (EF) and photoelectro-Fenton (PEF) processes, were studied to determine rates of PCP removal. The results showed that a better performance and a high removal efficiency were achieved by coupling UV radiation and the EF process.
Results: EF processes required more time to remove PCP, while after a reaction time of 10 minutes, the PEF achieved a removal efficiency of 90.4%; this value is higher than the maximum efficiency of the EF process (83.44% after 40 minutes). The kinetic mechanisms of both processes were examined and
compared. The rate constants at optimum conditions were 0.0455 and 0.0579 min−1 for EF and PEF processes, respectively.
Conclusion: Removal efficiency was obtained in the order of PEF > EF.
متن کامل [PDF 414 kb]   (16 دریافت)    
نوع مطالعه: پژوهشي | موضوع مقاله: تخصصي
دریافت: ۱۳۹۶/۹/۱ | پذیرش: ۱۳۹۶/۹/۱ | انتشار: ۱۳۹۶/۹/۱
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Heidari Z, Motevasel M, Jaafarzadeh N. Effect of UV light on pentachlorophenol removal in the electro-Fenton process. Environ. health eng. manag.. 2017; 4 (4)
URL: http://ehemj.com/article-1-292-fa.html
Effect of UV light on pentachlorophenol removal in the electro-Fenton process. مجله مدیریت و مهندسی بهداشت محیط. 1396; 4 (4)

URL: http://ehemj.com/article-1-292-fa.html

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مجله مدیریت و مهندسی بهداشت محیط Environmental Health Engineering And Management Journal
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