Elucidation and analysis of contamination of various hexavalent chromium in Japan
Project/Area Number |
15K00517
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Environmental dynamic analysis
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Research Institution | Tokyo University of Agriculture and Technology |
Principal Investigator |
WATANABE Izumi 東京農工大学, (連合)農学研究科(研究院), 教授 (30302912)
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Co-Investigator(Renkei-kenkyūsha) |
OZAKI HIROKAZU 東京農工大学, 大学教育センター, 特任助教 (40396924)
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Research Collaborator |
OHNO YUKO 東京農工大学, 大学院農学府
IKEDA MOMOE 東京農工大学, 大学院農学府
HARA YUTA 東京農工大学, 大学院農学府
GOMI AYANO 東京農工大学, 大学院農学府
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Project Period (FY) |
2015-04-01 – 2018-03-31
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Project Status |
Completed (Fiscal Year 2017)
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Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
|
Keywords | 重金属 / クロム / 六価クロム / 生態系汚染 / 土壌汚染 / 重金属類 / 生態影響 / 植物毒性 / 環境汚染 / 微量元素 |
Outline of Final Research Achievements |
Chrome is the third largest pollution in our country. The first and second are lead and arsenic, respectively. Therefore, this study clarified the actual condition of contamination, environmental dynamics, ecological effects of chromium and hexavalent chromium. Especially hexavalent chromium is extremely biotoxic, it is a serious pollutant which easily moves in the environment. In a serious pollution site existing in Tokyo, it identified the source of pollution. In addition to various chemical parameters, we also used meteorological data to clarify the dynamics. As a result, we clarified long-term concentration fluctuation related to precipitation over the past two months. It was also revealed that hexavalent chromium is reduced to trivalent chromium of low toxicity during the movement of groundwater.
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Report
(4 results)
Research Products
(29 results)
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[Journal Article] Seasonal movement of trace-element discharge in a typical south-Indian suburban community2018
Author(s)
Joshua, D. I., Abeykoon, S., Watanabe, I., Paszek, L., Balakrishna,, K., Akiba, M. and Guruge, K. S.
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Journal Title
Water Science and Technology
Volume: 774
Issue: 4
Pages: 1035-1047
DOI
Related Report
Peer Reviewed / Int'l Joint Research
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[Journal Article] Trace element concentrations in the small Indian mongoose (Herpestes auropunctatus) from Hawaii, USA2018
Author(s)
Horai, S., Nakashima, Y., Nawada, K., Watanabe, I., Kunisue, T., Abe, S., Yamada, F. and Sugihara, R.
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Journal Title
Ecological Indicators
Volume: 91
Pages: 92-104
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Trace element distribution and risk assessment in South India surface waterways.2017
Author(s)
Guruge, K. S., Goswami, P., Watanabe, I., Abeykoon, S., Prabhasankar, V. P., Binu, K. R., Joshua, D. I., Balakrishna, K., Akiba, M. and Munuswamy, N.
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Journal Title
Int. J. Environ. Sci. Technol.
Volume: 14
Pages: 1-18
Related Report
Peer Reviewed / Int'l Joint Research
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[Journal Article] Has irrigated water from Mahaweli River contributed to the Kidney Disease of unknown origin in the Dry zone of Sri Lanka ?2016
Author(s)
Diyabalanage, S., Abekoon, S., Watanabe, I., Watai, C., Ono, Y., Wijesekara, S., Guruge, K. S. and Chandrajith, R.
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Journal Title
Environmental Geochemistry and Health
Volume: 38
Pages: 679-690
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Presentation] Leaching of hexavalent chromium from dumped slag in urban area in Tokyo, Japan2016
Author(s)
Watanabe, I., Ohno, Y., Ikeda, M., Wang, Z., Ozaki, H.
Organizer
International Symposium on Environmental Chemistry and Toxicology; To accelerate a Global Network of Environmental Researchers
Place of Presentation
Chime Univ. (Matsuyama, Ehime, Japan)
Year and Date
2016-03-19
Related Report
Int'l Joint Research
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[Presentation] 富士山頂におけるエアロゾル中の化学成分の粒径別測定2016
Author(s)
外賀陽春, 島田幸治郎, 加藤俊吾, Chan, C.K., Kim, Y.P., Lin, N.H., 渡邉 泉, 畠山史朗
Organizer
第25回環境化学討論会
Place of Presentation
朱鷺メッセ(新潟県新潟市)
Related Report
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