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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국응용생명화학회 Journal of applied biological chemistry Journal of applied biological chemistry 제61권 제4호
- 발행연도
- 2018.1
- 수록면
- 383 - 389 (7page)
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초록· 키워드
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Degradation of the insecticide O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate (chlorpyrifos) in aqueous solution was investigated using iron salts and potassium persulfate during ZVI treatment through a series of batch experiments. The degradation rate of chlorpyrifos increased with increases in the concentrations of iron salts and potassium persulfate in the aqueous system. Ferric chloride was found to be the most effective iron salt for the ZVI-mediated degradation of chlorpyrifos in aqueous solution. Further, the iron salts tested could be arranged in the following order in terms of their effectiveness: $FeCl_3$> $Fe_2(SO_4)_3$> $Fe(NO_3)_3$. The persulfate-ZVI system could significantly degrade chlorpyrifos present in the aqueous medium. This revealed that chlorpyrifos degradation by treatment with $Fe^0$ was promoted on adding ferric chloride and potassium persulfate. The kinetics of the degradation of chlorpyrifos by persulfate-amended $Fe^0$ was higher than that for iron-salt-amended $Fe^0$. This suggests that using a sequential $Fe^0$ reduction-ferric chloride or $Fe^0$ reduction-persulfate process may be an effective strategy to enhance the removal of chlorpyrifos in contaminated water.
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참고문헌 (32)
참고문헌 신청
Starner K / 2013 / Chlorpyrifos-treated crops in the vicinity of surface water contamination in the San Joaquin Valley, California, USA / Bull Environ Contam Toxicol 91(3):287~291
USEPA / 1998 / Drinking water assessment of chlorpyrifos. Pesticides and Toxic Substances / U.S. Environmental Protection Agency, Office of Prevention
Wu J / 2004 / Interactions of chlorpyrifos with colloidal materials in aqueous systems / Environ Qual 33:1765~1770
Zhang X / 2012 / Analysis of chlorpyrifos agricultural use in regions of frequent surface water detections in California, USA / Bull Environ Contam Toxicol 89:978~984
Sun YP / 2006 / Characterization of zero-valent iron nanoparticles / Adv Colloid Interface Sci 120(1-3):47~56
USEPA / 1998 / Drinking water assessment of chlorpyrifos. Pesticides and Toxic Substances / U.S. Environmental Protection Agency, Office of Prevention
Wu J / 2004 / Interactions of chlorpyrifos with colloidal materials in aqueous systems / Environ Qual 33:1765~1770
Zhang X / 2012 / Analysis of chlorpyrifos agricultural use in regions of frequent surface water detections in California, USA / Bull Environ Contam Toxicol 89:978~984
Sun YP / 2006 / Characterization of zero-valent iron nanoparticles / Adv Colloid Interface Sci 120(1-3):47~56
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