The base mine lake toxicity identification and evaluation study

基矿湖泊毒性识别与评价研究

• 批准号: 436315-2012
• 负责人: Martin, Jonathan
• 金额: $ 12.55万
• 依托单位: University of Alberta
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=574336
• 关键词: base; mine; lake; toxicity; identification

End-pit-lakes (EPLs) are currently the main strategy for large-scale and long-term remediation of toxic oil sands process-affected water (OSPW). However, as recently summarized by the Royal Society of Canada, there are great unknowns with respect to the rate and extent by which EPLs might facilitate this important function. A major source of uncertainty is that the chemicals which impart toxicity to OSPW remain unknown, and the aquatic persistence of most chemicals in OSPW has never been studied. Here, an integrated research plan has been designed that will use state-of-the-art analytical technologies, toxicity bioassays, molecular biology, microbial biodegradation, and monitoring of tailings ponds to identify the most toxic and persistent chemicals in OSPW. The specific focus of this study is OSPW from an active settling basin at Syncrude Canada Ltd - "the West-In-Pit" - which will serve as the source of water for Base-Mine Lake, Canada's first oil sands EPL. Syncrude's Base Mine Lake project will be commissioned in 2012/2013, thus the proposed work is conveniently coincident with the lake's start-up phase. The data from this study will be directly applied by Syncrude to monitoring and predicting the detoxification trajectory of Base Mine Lake, and will thereby inform water management options and regulatory decision making on water quality criteria for discharge. Approximately 30 other oil sands EPLs are planned, thus this research may be widely applicable or may serve as a model for other EPL projects.

终坑湖（EPL）是目前大规模和长期修复有毒油砂工艺影响水（OSPW）的主要策略。然而，正如加拿大皇家学会最近总结的那样，EPL 促进这一重要功能的速度和程度还存在很大的未知数。不确定性的一个主要来源是对 OSPW 产生毒性的化学物质仍然未知，并且 OSPW 中大多数化学物质的水生持久性从未被研究过。这里设计了一项综合研究计划，将使用最先进的分析技术、毒性生物测定、分子生物学、微生物生物降解和尾矿池监测来识别 OSPW 中毒性最强和持久性最强的化学物质。这项研究的具体重点是来自 Syncrude Canada Ltd 的活跃沉降池（“West-In-Pit”）的 OSPW，该沉降池将作为加拿大第一个油砂 EPL Base-Mine Lake 的水源。 Syncrude 的 Base Mine Lake 项目将于 2012/2013 年投产，因此拟议的工作正好与该湖的启动阶段同时进行。 Syncrude 将直接应用这项研究的数据来监测和预测 Base Mine Lake 的排毒轨迹，从而为水管理方案和排放水质标准的监管决策提供信息。计划中还有大约 30 个其他油砂 EPL，因此这项研究可能会广泛适用，或者可以作为其他 EPL 项目的模型。