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나노영가철과 Geobacter lovleyi를 이용한 TCE 탈염소에 관한 동역학적 연구

Title
나노영가철과 Geobacter lovleyi를 이용한 TCE 탈염소에 관한 동역학적 연구
Other Titles
Kinetic Studies of Nanoscale Zero-Valent Iron and Geobacter lovleyi for Trichloroethylene Dechlorination
Author
박재우
Keywords
Nanoscale Zero-Valent Iron; Geobacter lovleyi; Trichloroethylene; Anaerobic; Dechlorination
Issue Date
2012-02
Publisher
한국지하수토양환경학회
Citation
지하수토양환경, 2012, 17(1), p.33-41
Abstract
Nanoscale zero-valent iron (nZVI) has recently received much attention for remediation of soil and groundwater contaminated with trichloroethylene (TCE). But there have been many debates on the toxic or inhibitory effects of nZVI on the environment. The objective of this study was to investigate the effects of nZVI on the activity of Geobacter lovleyi and to determine the potent effect of combination of abiotic and biotic treatment of TCE dechlorination. TCE degradation efficiencies of Geobacter lovleyi along with nZVI were more increased than those when nZVI was solely used. The amount of total microbial protein was increased in the presence of nZVI and hydrogen evolved from nZVI was consumed as electron donor by Geobacter lovleyi. In addition, dechlorination of TCE to cis-DCE by Geobacter lovleyi along with nZVI in respiking of exogenous of TCE shows that the reactivity of Geobacter lovleyi was also maintained. These results suggest that the application of Geobacter lovleyi along with nZVI for the dehalorination is beneficial for the enhancement of TCE degradation rate and reactivity of Geobacter lovleyi.
URI
http://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=JGSTB5_2012_v17n1_33http://repository.hanyang.ac.kr/handle/20.500.11754/74749
ISSN
1598-6438; 1598-6138
DOI
10.7857/JSGE.2012.17.1.033
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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