Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《China Environmental Science》 2018-03
Add to Favorite Get Latest Update

Effect of iron oxide and propionic acid on anaerobic degradation of hexachlorobenzene in soil

LIU Cui-ying;WANG Yu;MA Yu-chun;Collaborative Innovation Centre on Forecast and Evaluation of Meteorological Disasters/Jiangsu Key Laboratory of Agricultural Meteorology,Nanjing University of Information Science & Technology;Key Laboratory of Soil Environment and Pollution Remediation,Institute of Soil Science,Chinese Academy of Sciences;College of Applied Meteorology,Nanjing University of Information Science and Technology;  
To investigate the effects of iron oxide,propionic acid and their interaction on the reductive dechlorination of hexachlorobenzene(HCB) in soils and their reaction mechanisms,an anaerobic incubation experiment was conducted in Hydragric Acrisols with five treatments:sterile control,control,propionic acid,goethite,and propionic acid + goethite.Results showed that HCB residues for these five treatments decreased by 26.9%,48.5%,63.4%,56.9%,and 72.9% compared to the initial quantities,respectively,after 40 d of incubation,and pentachlorobenzene(Pe CB) was the dominant product of HCB dechlorination.The addition of propionic acid significantly accelerated the reductive dechlorination degradation of HCB throughout the incubation.The application of goethite obviously promoted HCB dechlorination in the early incubation period.The application of propionic acid and goethite resulted in a synergistic effect on accelerating the dechlorination of HCB.
【Fund】: 江苏省农业气象重点实验室(南京信息工程大学)开放课题(JKLAM1605);; 中国科学院土壤环境与污染修复重点实验室(南京土壤研究所)开放基金课题(SEPR2017-4)
【CateGory Index】: X53
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved