Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments.

Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments. Research Abstract Details 

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Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments. Abstract Text:

Xu Zhao,Xie Quan,Hui-Min Zhao,Jing-Wen Chen,Shou Chen,Ya-Zhi Zhao,

Effects of natural organic matters( NOM) and hydrated metal oxides( HMO) in sediments on the anaerobic degradation of gamma-666, p,p'-DDT and HCB were investigated by means of removing NOM and HMO in Liaohe River sediments sequentially. The results showed that the anaerobic degradation of gamma-666, p,p'-DDT and HCB followed pseudo-first-order kinetics in different sediments. But, the extents and rates of degradation were different, even the other conditions remained the same. Anaerobic degradation rates of gamma-666, p,p'-DDT and HCB were 0.020 d(-1), 0.009 d(-1) and 0.035 month(-1) respectively for the sediments without additional carbon resources. However, with addition of carbon resources, the anaerobic degradation rates of gamma-666, p,p'-DDT and HCB were 0.071 d(-1), 0.054 d(-1) and 0.088 month(-1) in the original sediments respectively. After removing NOM, the rates were decreased to 0.047 d(-1), 0.037 d(-1) and 0.066 month(-1); in the sediments removed NOM and HMO, the rates were increased to 0.067 d(-1) , 0.059 d(-1) and 0.086 month(-1). These results indicated that NOM in the sediments accelerated the anaerobic degradation of gamma-666, p,p'-DDT and HCB; the HMO inhibited the anaerobic degradation of gamma-666, p,p'-DDT and HCB.

Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments. Publishing Authors By Initials

X Zhao,X Quan,HM Zhao,JW Chen,S Chen,YZ Zhao,

For similar inorganic chemicals: metals research abstracts see: inorganic chemicals: metals research

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Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of environmental sciences (China)

VOLUME: 15

Page Numbers: 618-21

Journal Abbreviation: J Environ Sci (China)

ISSN: 1001-0742

DAY: 8

MONTH: Sep

YEAR: 2003

Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments. Information

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LANGUAGE: eng

NlmUniqueID: 100967627

Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments. Keywords Mesh Terms:

KEYWORDS: Metals

MESH TERMS: metabolism

Chemical & Substance for Abstract: Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments. Information

Substance Name: Lindane

Registry Number: 58-89-9

Grant and Affiliation Information for Effects of nature organic matters and hydrated metal oxides on the anaerobic degradation of lindane, p, p '-DDT and HCB in sediments.

AFFILIATION: School of Environmental Science and Technology, Dalian University of Technology, Dalian 116012, China.

Country: Netherlands

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MEDLINETA: J Environ Sci (China)

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