Enhanced degradation of polycyclic aromatic hydrocarbons by indigenous microbes combined with chemical oxidation

doi:10.1016/j.chemosphere.2018.09.092

	Enhanced degradation of polycyclic aromatic hydrocarbons by indigenous microbes combined with chemical oxidation
	Liao, Xiaoyong 1; Wu, Zeying 1; Li, You 1; Luo, Junpeng 1; Su, Chunming 2
刊名	CHEMOSPHERE
	2018-12-01
卷号	213 页码:551-558
关键词	Soil Polycyclic aromatic hydrocarbons Microbe Chemical oxidation Combined strategies
ISSN号	0045-6535
DOI	10.1016/j.chemosphere.2018.09.092
通讯作者	Liao, Xiaoyong(liaoxy@igsnrr.ac.cn)
英文摘要	In this study, the removal efficiency PAHs by chemical oxidation combined with microbe remediation was evaluated in two contaminated soils. The number of indigenous soil microbes decreased after the addition of chemical oxidants and then increased by nutrients addition. The total removal efficiencies of PAHs by chemical oxidation and nutrient addition followed the order: activated persulfate > potassium permanganate > modified Fenton reagent > Fenton reagent. There are 24.29-27.97%, 22.00-23.67%, 10.24-13.74% and 1.9-2.5% contributions separately due to nutrient treatment in Fenton, modified Fenton, activated persulfate and potassium permanganate treatment, which show significantly difference. The different chemical oxidants exhibited 78-90% removal efficiency for 5-6 rings PAHs, while 52-85% removal efficiency for 2-4 rings PAHs. With the addition of nutrients, the growth of indigenous microbes was enhanced significantly, and the contents of 2-4 rings PAHs in the soil were further decreased. Furthermore, the removal efficiencies of NAP and ANY were increased by more than 45%, while the removal efficiencies of ANE, FLE and PHE were about 30% at Fenton system. There was a complementary enhancing effect of microbial remediation for PAHs degradation after chemical oxidation. (C) 2018 Elsevier Ltd. All rights reserved.
资助项目	Chinese Academy of Sciences[KFZDSW-303] ; Science and Technology Plan of Beijing[D16110900470000]
WOS关键词	CREOSOTE-CONTAMINATED SOIL ; PERMANGANATE OXIDATION ; FENTONS REAGENT ; CRUDE-OIL ; BIOREMEDIATION ; REMEDIATION ; PAHS ; BIODEGRADATION ; OPTIMIZATION ; IMPACT
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000448493700059
资助机构	Chinese Academy of Sciences ; Science and Technology Plan of Beijing
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/52604]
专题	中国科学院地理科学与资源研究所
通讯作者	Liao, Xiaoyong
作者单位	1.Chinese Acad Sci, Key Lab Land Surface Pattern & Simulat, Beijing Key Lab Environm Damage Assessment & Reme, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China 2.US EPA, Natl Risk Management Res Lab, Ground Water & Ecosyst Restorat Div, Ada, OK USA
推荐引用方式 GB/T 7714	Liao, Xiaoyong,Wu, Zeying,Li, You,et al. Enhanced degradation of polycyclic aromatic hydrocarbons by indigenous microbes combined with chemical oxidation[J]. CHEMOSPHERE,2018,213:551-558.
APA	Liao, Xiaoyong,Wu, Zeying,Li, You,Luo, Junpeng,&Su, Chunming.(2018).Enhanced degradation of polycyclic aromatic hydrocarbons by indigenous microbes combined with chemical oxidation.CHEMOSPHERE,213,551-558.
MLA	Liao, Xiaoyong,et al."Enhanced degradation of polycyclic aromatic hydrocarbons by indigenous microbes combined with chemical oxidation".CHEMOSPHERE 213(2018):551-558.