NSERC / Syncrude Industrial Research Chair in Mine Closure Geochemistry
NSERC / Syncrude 矿山关闭地球化学工业研究主席
基本信息
- 批准号:463568-2018
- 负责人:
- 金额:$ 7.53万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Industrial Research Chairs
- 财政年份:2022
- 资助国家:加拿大
- 起止时间:2022-01-01 至 2023-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The NSERC/Syncrude Industrial Research Chair in Mine Closure Geochemistry for Dr. Matthew B. J. Lindsaywill provide a better understanding of the geochemistry of oil sands mine wastes within mine closurelandscapes. Oil sands mining has disturbed more than 950 km2 of land in northern Alberta, Canada, and willdisturb a further 450 km2 with approved new developments. Currently, less than 10 % of the disturbed area hasbeen permanently reclaimed and only 1 km2 has received certification. The goal of oil sands mine reclamationis to create mine closure landscapes with land capability equivalent to pre-mining conditions. Final closurelandscapes will have multiple connected landforms created from various mine waste and overburden materials.Water moving through these landscapes will ultimately discharge to the environment. Therefore, understandingthe geochemical characteristics and evolution of these materials within mine closure landscapes is critical forminimizing long-term environmental and financial risks associated with oil sands development. This researchwill focus on the geochemistry of reactive wastes, such as froth treatment tailings (FTT), and how they interactwith other materials in closure landscapes. Specific research activities fall under four related themes: (1)mineralogy and geochemistry of solid waste materials; (2) geochemical evolution of closure landforms; (3)geochemical stabilization of reactive wastes; and (4) passive water treatment in closure landscapes. Thisresearch will explore strategies to reduce these negative impacts on water quality. Overall, this research willreduce the environmental impact and financial liability of oil sands mining to ensure Canadians can continue tobenefit from oil sands development in the future.
NSERC/合成原油工业研究主席在矿山关闭地球化学博士马修B。林赛将提供一个更好地了解油砂矿废弃物的地球化学在矿山封闭景观。油砂开采已经扰乱了加拿大北方阿尔伯塔的950多平方公里的土地,并且还将扰乱另外450平方公里已批准的新开发项目。目前,只有不到10%的受干扰区域被永久开垦,只有1平方公里获得认证。油砂矿复垦的目标是创造与开采前条件相当的土地能力的矿山关闭景观。最后的封闭景观将有多个连接的地貌,由各种矿山废物和覆盖层材料形成。流经这些景观的水最终将排放到环境中。因此,了解这些物质在矿山关闭景观中的地球化学特征和演变对于最大限度地减少与油砂开发相关的长期环境和金融风险至关重要。这项研究将侧重于活性废物的地球化学,如泡沫处理尾矿(FTT),以及它们如何与封闭景观中的其他材料相互作用。具体的研究活动分为四个相关的主题:(1)固体废物材料的矿物学和地球化学;(2)封闭地貌的地球化学演变;(3)活性废物的地球化学稳定;(4)封闭景观中的被动水处理。这项研究将探索减少这些对水质的负面影响的策略。总的来说,这项研究将减少油砂开采的环境影响和财务责任,以确保加拿大人在未来能够继续从油砂开发中受益。
项目成果
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