Mineralogical Characterization for Reducing the Environmental Impact of Mining Rare Metals

减少稀有金属开采对环境影响的矿物学表征

• 批准号: RGPIN-2016-03736
• 负责人: Jamieson, Heather
• 金额: $ 3.5万
• 依托单位: Queen's University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=634033
• 关键词: Mineralogical; Characterization; Reducing; Environmental; Impact

The objective of my research program is to characterize the minerals or compounds that contain potentially hazardous metals in mine tailings, waste rock and contaminated dust, soils and sediments. By direct and quantitative identification of the host metal species, particle size and texture, I can predict whether metals will be released to the aquatic environment or retained in the solid waste in the form of secondary minerals. The results of this research will improve risk assessment and remediation design for proposed, operating and orphaned mines in Canada, especially in the Canadian North where much of the fieldwork will occur. The results will be useful to decision-makers such as government regulators, environmental consultants, mining companies, and nearby communities including First Nations. The broader scientific application is the clarification of the risk to human and ecological health associated with mine waste, and prediction of the long-term stability of these materials in the environment.

我的研究项目的目的是表征尾矿、废石和受污染的灰尘、土壤和沉积物中含有潜在有害金属的矿物或化合物。通过对宿主金属的种类、粒度和质地的直接定量鉴定，可以预测金属是否会释放到水生环境中，还是以次生矿物的形式保留在固体废物中。这项研究的结果将改进加拿大，特别是大部分实地工作将在加拿大北部进行的拟议、经营和废弃矿山的风险评估和补救设计。研究结果将对政府监管机构、环境顾问、矿业公司以及包括原住民在内的附近社区等决策者有用。更广泛的科学应用是澄清与矿山废物有关的对人类和生态健康的风险，并预测这些材料在环境中的长期稳定性。