DocumentCode :
2513241
Title :
Microcosm Study on Response of Soil Microorganisms to Polycyclic Aromatic Hydrocarbons Contamination
Author :
Zhang, Dan ; Ding, Aizhong ; Tan, Wenjie ; Chen, Cheng ; Cheng, Lirong ; Sun, Yujiao ; Lin, Xueyu
Author_Institution :
Key Lab. of Water & Sediment Sci. of Minist. of Educ., Beijing Normal Univ., Beijing, China
fYear :
2009
fDate :
11-13 June 2009
Firstpage :
1
Lastpage :
4
Abstract :
Soil and groundwater contamination by petroleum and coal tar becomes one of the urgent environmental issues concerned by more and more scientists with regards to the public health. With the induction of organic contaminants to soil and groundwater it will change the environmental conditions within the plume and hence lead to the variation of indigenous microorganisms. The article aims to investigate the response of indigenous microorganisms to the petroleum contamination. Three polycyclic aromatic hydrocarbons (PAHs) phenanthrene, anthracene and pyrene were selected as the contaminants and tested using laboratory microcosm. The response of indigenous microorganisms to the PAHs induction was analyzed by measuring the change of soil microbial activity, soil catalase activity, contaminants concentration and geochemical parameters. The experimental results showed that: (1) the major parts of the PAHs were absorbed by the soil, its transport was retarded, (2) the soil microbial activity was inhibited at the initial stage of PAHs induction and then slowly increased, (3) the soil catalase activity was stimulated at first with PAHs induction and then inhibited within the range -0.05 mL (0.1 M KMnO4)/g (soil).
Keywords :
biochemistry; coal; contamination; enzymes; groundwater; health and safety; microorganisms; oil technology; organic compounds; petroleum; soil pollution; water pollution; anthracene; biochemical reactions; coal tar; environmental issues; geochemical parameters; groundwater contamination; microcosm study; organic contaminant concentration; petroleum contamination; phenanthrene; polycyclic aromatic hydrocarbon contamination; public health; pyrene; soil catalase activity; soil contamination; soil enzyme; soil microbial activity; soil microorganism response; Biochemistry; Contamination; Hydrocarbons; Laboratories; Microorganisms; Petroleum; Public healthcare; Soil; Testing; Water pollution;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Bioinformatics and Biomedical Engineering , 2009. ICBBE 2009. 3rd International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-2901-1
Electronic_ISBN :
978-1-4244-2902-8
Type :
conf
DOI :
10.1109/ICBBE.2009.5163052
Filename :
5163052
Link To Document :
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