Elucidation of metal immobilization mechanisms and toxcity by chemical amendments

通过化学改良剂阐明金属固定机制和毒性

• 批准号: 23681013
• 负责人: HASHIMOTO Yohey
• 金额: $ 5.08万
• 依托单位: Tokyo University of Agriculture and Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (A)
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011-04-01 至 2014-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23681013/
• 关键词: 土壌汚染; 不溶化; 環境基準; 重金属

In-situ immobilization technologies are recommended for remediation of metal contaminated soils in Japan. The main objective of this study was to elucidate the effect of various amendments on metal immobilization in contaminated soils from the viewpoints of chemical extraction, metal speciation and bioavailability. The amendments selected were eggshell, oyster shell (calcined or non-calcined), biochar, beef-bone powder and iron powder. All of these amendment could reduce solubility of lead and cadmium in soils. Detailed information is available in publications.

在日本，原位固定化技术被推荐用于金属污染土壤的修复。本研究的主要目的是从化学提取、金属形态和生物有效性的角度阐明不同改良剂对污染土壤中金属固定的影响。选定的改良剂为蛋壳、牡蛎壳(焙烧或不焙烧)、生物炭、牛骨粉和铁粉。所有这些改良剂都能降低土壤中铅和镉的溶解度。有关详细信息，请参阅出版物。

项目成果

Field and laboratory assessments on dissolution and fractionation of Pb from spent and unspent shots in the rhizosphere soil.

• DOI: 10.1016/j.chemosphere.2013.08.095
• 发表时间: 2013-11
• 期刊: Chemosphere
• 影响因子: 8.8
• 作者: Y. Hashimoto

Chemical speciation of Pb in contaminated soils: (Im)mobilization by plant root growth and chemical amendments.

受污染土壤中铅的化学形态：植物根系生长和化学改良剂的（Im）动员。

• 发表时间: 2013
• 期刊: SPring-8 Research Frontiers 2012
• 作者: Hashimoto;Y.;Ok;Yong-Sik;and Takaoka;M.
• 通讯作者: M.

土壌環境中の有害元素の挙動-放射光源X線吸収分光法による分子スケールスペシエーション, ISBN :9784826802215

土壤环境中有害元素的行为 - 使用同步辐射 X 射线吸收光谱进行分子尺度形态分析，ISBN：9784826802215

• 发表时间: 2012
• 作者: 鈴木剛;Nguyen Minh Tue;Govindan Malarvannan;Agus Sudaryanto;高橋真;田辺信介;酒井伸一;滝上英孝;Fumitake TAKAHASHI;橋本洋平,山口紀子(編)
• 通讯作者: 橋本洋平,山口紀子(編)

Chemical speciation of cadmium and sulfur K-edge XANES spectroscopy in flooded paddy soils amended with zero-valent iｒon

用零价铁修正的淹水稻土中镉和硫 K 边 XANES 光谱的化学形态

• 发表时间: 2013
• 期刊: Soil Science Society of America Journal.
• 作者: Hashimoto;Y.
• 通讯作者: Y.

Microscale Cadmium Speciation in Submerged Paddy Soil

沉水稻田土壤中微尺度镉形态

• 发表时间: 2012
• 作者: Yamaguchi;N.
• 通讯作者: N.