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Application of zerovalent iron (Fe-0) to enhance degradation of HCHs and DDX in soil from a former organochlorine pesticides manufacturing plant
Yang, Su-Cai1,2; Lei, Mei1; Chen, Tong-Bin1; Li, Xiao-Yan1; Liang, Qi1,2; Ma, Chuang1,2
2010-04-01
Source PublicationCHEMOSPHERE
Volume79Issue:7Pages:727-732
AbstractRemediation of pesticide-polluted soil is particularly challenging when pesticides in soil are aged and a mixture of pesticides is present. Application of zerovalent iron (Fe-0) was investigated to accelerate the degradation of HCHs (alpha-, beta-, gamma- and delta-hexachlorocyclohexane) and DDX (DDT, DDE and ODD) in the soil from a former organochlorine pesticide manufacturing plant. Ultrasonic extraction was used extract the organochlorine pesticides from soil. The identification and quantification of organochlorine pesticides in the extracts were accomplished by gas chromatograph. The addition of Fe-0 facilitated the degradation of the beta-HCH isomer, but had little effect on the degradation of alpha-HCH, gamma-HCH and delta-HCH. Zerovalent iron significantly increased the degradation of p,p'-DDT and o,p'-DDT in soil, and the percentage degradation of p,p'-DDT and o,p'-DDT increased with increased Fe-0 concentration during the first period of incubation. However, the amount of p,p'-DDD, the main dechlorinated product of p,p'-DDT, basically kept increased except in the unamended soil. The addition of Fe-0 therefore did not increased the percent degradation of Sigma(DDT) (p,p'-DDT + p,p'-DDD + pp'-DDE) markedly. (C) 2010 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordContaminated Site Land Remediation Reductive Dechlorination Bioremediation
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedEnvironmental Sciences & Ecology
WOS KeywordPERSISTENT ORGANIC POLLUTANTS ; ZERO-VALENT IRON ; HEXACHLOROCYCLOHEXANE ISOMERS ; BETA-HEXACHLOROCYCLOHEXANE ; SPHINGOMONAS-PAUCIMOBILIS ; MICROBIAL-DEGRADATION ; IN-VITRO ; DECHLORINATION ; RESIDUES ; GAMMA
Indexed BySCI
Language英语
WOS SubjectEnvironmental Sciences
WOS IDWOS:000278131100007
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:51[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/67962
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLei, Mei
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Yang, Su-Cai,Lei, Mei,Chen, Tong-Bin,et al. Application of zerovalent iron (Fe-0) to enhance degradation of HCHs and DDX in soil from a former organochlorine pesticides manufacturing plant[J]. CHEMOSPHERE,2010,79(7):727-732.
APA Yang, Su-Cai,Lei, Mei,Chen, Tong-Bin,Li, Xiao-Yan,Liang, Qi,&Ma, Chuang.(2010).Application of zerovalent iron (Fe-0) to enhance degradation of HCHs and DDX in soil from a former organochlorine pesticides manufacturing plant.CHEMOSPHERE,79(7),727-732.
MLA Yang, Su-Cai,et al."Application of zerovalent iron (Fe-0) to enhance degradation of HCHs and DDX in soil from a former organochlorine pesticides manufacturing plant".CHEMOSPHERE 79.7(2010):727-732.
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