Shewanella algae BrY 를 이용한 영가철 칼럼의 TCE 처리 수명연장On Jacket Matrices Based on Weighted Hadamard Matrices
- Other Titles
- On Jacket Matrices Based on Weighted Hadamard Matrices
- Authors
- 채희훈; 배연욱; 박재우
- Issue Date
- Apr-2007
- Publisher
- 한국지반환경공학회
- Keywords
- Shewanella algae BrY; TCE; 영가철; 철환원균; 칼럼; Shewanella algae BrY; TCE; Zero-valent iron; Iron reducing bacteria; Column
- Citation
- 한국지반환경공학회 논문집, v.8, no.2, pp.41 - 48
- Indexed
- KCI
- Journal Title
- 한국지반환경공학회 논문집
- Volume
- 8
- Number
- 2
- Start Page
- 41
- End Page
- 48
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/180232
- ISSN
- 1598-0820
- Abstract
- Zevo-valent iron (ZVI) has been widely used in permeable reactive barriers for reducing organic contaminants, such as trichloroethylene (TCE). The rapid reaction time, however, leads to decrease in reactivity and availability of ZVI. Shewanella algae BrY, a strain of dissimilatory iron reducing bacteria, can reduce the oxidized Fe (III) to Fe (II) and reduced Fe (II) can be reused to reduce the contaminant. The effect of Shewanella algae BrY on the reduction of the oxidized ZVI column and further TCE removal in the contaminated groundwater were studied at different flow rates and TCE input concentrations in this study. High input concentration of TCE and flow rate increase the amount of input contaminant and make to lower the effect of reduction by Shewanella algae BrY. Specially, the fast flow rate inhibits the direct contact and implantation on the surface of iron. The reduction of oxidized iron reactive barrier by Shewanella algae BrY can decrease the decreation of duration of PRBs by the precipitation of oxidized iron produced by dechlorination of TCE.
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