电芬顿—生物泥浆法联合修复芘污染土壤

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Abstract

The electro-Fenton (EF) process combined with bioremediation (BIO) process was established for pyrene (Pyr) contaminated soil. Two factors including degradation characteristics as well as environmental parameters were compared between EF and BIO processes. Optimal process order was determined by a series batch tests of parameters, such as the effects of removal rate, degradation efficiency, concentration of ·OH radical, biomass, and the pH value. The results showed EF process followed by BIO process was the optimum process order, the removal efficiency of Pyr was almost 50% higher than each single process. After 72h of reaction time, Pyr removal efficiency of the EF-BIO combined treatment process was still high of 91.02%.

Key words： electro-Fenton slurry phase bioremediation combined process pyrene

Received: 01 April 2019

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X53

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	Articles by authors
	XU Wen-di
	GUO Shu-hai
	LI Gang
	WU Bo
	LI Feng-mei

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XU Wen-di,GUO Shu-hai,LI Gang等. Remediation of pyrene-contaminated soil by a combined process with electro-Fenton and bioremediation[J]. CHINA ENVIRONMENTAL SCIENCECE, 2019, 39(10): 4247-4253.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2019/V39/I10/4247

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