Assessment and Countermeasures for Mercury Contamination of Agricultural Soils near Waste Disposal Facility in Hanoi, Vietnam

越南河内废物处理设施附近农业土壤汞污染评估及对策

• 批准号: 23580459
• 负责人: IWASAKI Kozo
• 金额: $ 3.58万
• 依托单位: Kochi University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011 至 2013
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23580459/
• 关键词: 国際情報交換; ベトナム; ハノイ; 廃棄物処分場; 水銀; 農耕地; 河川底質; 環境汚染

Inappropriate management of the land-filling area has been posing potential risks to the environment around Nam Son waste disposal facility in Hanoi. In this study, we focused on Hg contamination and evaluated the amounts of Hg in different chemical forms in the river sediments and upland soils, and Hg concentrations in the air and crops. In the sediments, the highest amount of total Hg was detected at the nearest site to the facility and decreased with the distance from the facility. Methyl Hg was also detected at these sites. Almost all of Hg in the sediments were extracted in the organically bound and residual fractions. No Hg contamination was observed for the upland soils, crops and air. From this study, it was confirmed that Hg contamination of the sediments was brought about by the point source pollution from the land-filling area, where the solid particles containing Hg have been eroded by flooding under heavy rains.

填埋区管理不当已对河内南山废物处置设施周围的环境构成潜在风险。在这项研究中，我们专注于汞污染，并评估了汞在河流沉积物和高地土壤中的不同化学形式的量，以及空气和农作物中的汞浓度。在沉积物中，最高量的总汞在最近的网站检测到的设施，并与设施的距离下降。在这些地点也检测到甲基汞。几乎所有的汞在沉积物中提取的有机结合和残留馏分。高地土壤、农作物和空气中未观察到汞污染。从这项研究中，它被证实，汞污染的沉积物所带来的点源污染，从填埋区，其中含有汞的固体颗粒已被洪水在暴雨侵蚀。

项目成果

Metal and Metalloid Accumulations in Plants Growing around Tin and Tungsten Mines in Dai Tu District, Vietnam.

越南大图县锡矿和钨矿周围生长的植物中金属和类金属的积累。

• 发表时间: 2011
• 作者: Kozo Iwasaki;Chu Ngoc Kien;Bui Thi Quynh Trang;Nguyen Minh Phuong;Truong Ngoc Kiem;and Nguyen Van Noi
• 通讯作者: and Nguyen Van Noi

Heavy Metal Concentrations in Rice (Oryza sativa L.) grown in a Chromite Mining Area in Vietnam. Tropical Agriculture and Development

越南铬铁矿矿区种植的稻米 (Oryza sativa L.) 中的重金属浓度。

• 发表时间: 2011
• 期刊: Tropical Agriculture and Development
• 作者: Chu Ngoc KIEN;Sota TANAKA;Nguyen Van NOI;Le Thanh SON;Nguyen Minh PHUONG;Bui Thi Quynh TRANG;Michiyo NODA;Daisei UENO;and Kozo IWASAKI
• 通讯作者: and Kozo IWASAKI

ベトナム・ハノイの廃棄物処分場周辺における河川底質中の水銀の存在形態

越南河内废物处理场周围河流沉积物中汞的存在形式

• 发表时间: 2013
• 作者: Chu Ngoc KIEN;Sota TANAKA;Nguyen Van NOI;Le Thanh SON;Nguyen Minh PHUONG;Bui Thi Quynh TRANG;Michiyo NODA;Daisei UENO;and Kozo IWASAKI;長 宏一 ･ Bui Thi Quynh Trang ･ Chu Ngoc Kien ･ Nguyen Minh Phuong ･ Nguyen Van Noi ･ 岩崎 貢三
• 通讯作者: 長 宏一 ･ Bui Thi Quynh Trang ･ Chu Ngoc Kien ･ Nguyen Minh Phuong ･ Nguyen Van Noi ･ 岩崎 貢三

Heavy Metal Concentrations in Rice (Oryza sativa L.) grown in a Chromite Mining Area in Vietnam

越南铬铁矿矿区种植的稻米 (Oryza sativa L.) 中的重金属浓度

• 发表时间: 2011
• 期刊: Tropical Agriculture and Development
• 作者: Chu Ngoc KIEN;Sota TANAKA;Nguyen Van NOI;Le Thanh SON;Nguyen Minh PHUONG;Bui Thi Quynh TRANG;Michiyo NODA;Daisei UENO;and Kozo IWASAKI
• 通讯作者: and Kozo IWASAKI

ベトナムの鉱山周辺ならびに廃棄物処分場周辺の農耕地土壌における有害元素汚染

越南矿山和废物处理场周围农业土壤中有害元素污染

• 发表时间: 2012
• 作者: Chu Ngoc KIEN;Sota TANAKA;Nguyen Van NOI;Le Thanh SON;Nguyen Minh PHUONG;Bui Thi Quynh TRANG;Michiyo NODA;Daisei UENO;and Kozo IWASAKI;長 宏一 ･ Bui Thi Quynh Trang ･ Chu Ngoc Kien ･ Nguyen Minh Phuong ･ Nguyen Van Noi ･ 岩崎 貢三;岩崎貢三
• 通讯作者: 岩崎貢三