Department of Civil Engineering, Lassonde School of Engineering, York University, Toronto, Ontario, M3J 1P3, Canada.
Department of Civil Engineering, Lassonde School of Engineering, York University, Toronto, Ontario, M3J 1P3, Canada.
Environ Pollut. 2021 Oct 15;287:117609. doi: 10.1016/j.envpol.2021.117609. Epub 2021 Jun 17.
There has been a worldwide interest in renewable energy technologies, as a means of decreasing reliance on fossil fuels, minimizing climate change effects, and reducing greenhouse emissions. One such technology is geothermal heating where the constant subsurface temperature is used to cool or heat building interiors via heat pumps. In Canada, the use of geothermal heating has become a popular option for heating and cooling buildings, and it is anticipated that, in the near term, most large buildings will include geothermal heating as part of their climate control strategy. However, little is known about the environmental impacts of geothermal heating on the subsurface environment. The present review will examine the effect of geothermal heating on groundwater flow and remediation efforts, whereby the heat generated by geothermal systems may help with urban pollution. "Geothermal Remediation" could leverage the subsurface heating resulting from geothermal systems to accelerate biodegradation of certain petroleum-based pollutants at brown-field sites, while providing building(s) with sustainable heating and cooling. This idea coincides with the rising momentum towards sustainable and green remediation in Europe and the United States. To ensure that Geothermal Remediation is achievable, the effect of heat on bioremediation needs to be examined. This review provides an insight into what we know about heat effects on bioremediation activities and subsurface transport.
全球范围内都对可再生能源技术感兴趣，因为这是减少对化石燃料依赖、最小化气候变化影响和减少温室气体排放的一种手段。地热能就是这样一种技术，其利用恒定的地下温度，通过热泵来为建筑物内部制冷或供暖。在加拿大，地热能已成为建筑物供暖和制冷的热门选择，预计在不久的将来，大多数大型建筑物都将把地热能作为其气候控制策略的一部分。然而，对于地热能对地下环境的环境影响知之甚少。本综述将研究地热能对地下水流动和修复工作的影响，即地热能系统产生的热量可能有助于城市污染的治理。“地热能修复”可以利用地热能系统产生的地下热量来加速棕地场地中某些基于石油的污染物的生物降解，同时为建筑物提供可持续的供暖和制冷。这一想法与欧洲和美国朝着可持续和绿色修复方向发展的势头相吻合。为了确保地热能修复的可行性，需要研究热量对生物修复的影响。本综述提供了对地热能对生物修复活动和地下传输的热效应的了解。
