Study on the Seismic Stability of Urban Sewage Treatment and Underground Reservoir of an Abandoned Mine Pumped Storage Power Station

Baoyu Wei, Lu Gao () and Hongbao Zhao
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Baoyu Wei: School of Energy and Mining Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
Lu Gao: School of Energy and Mining Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
Hongbao Zhao: School of Energy and Mining Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China

Sustainability, 2025, vol. 17, issue 12, 1-25

Abstract: As coal’s share in primary energy consumption wanes, the annual increase in abandoned coal mines presents escalating safety and environmental concerns. This paper delves into cutting-edge models and attributes of integrating pumped storage hydropower systems with subterranean reservoirs and advanced wastewater treatment facilities within these decommissioned mines. By utilizing the expansive underground voids left by coal extraction, this method aims to achieve multifaceted objectives: efficient energy storage and generation, reclamation of mine water, and treatment of urban sewage. This research enhances the development and deployment of pumped storage technology in the context of abandoned mines, demonstrating its potential for fostering sustainable energy solutions and optimizing urban infrastructure. This study not only facilitates the progressive transformation and modernization of energy cities but also provides crucial insights for future advances in ecological mining practices, energy efficiency, emission mitigation, and green development strategies in the mining industry.

Keywords: abandoned mine; pumped storage power station; multi-energy complementation; sewage treatment; seismic stability; sustainable development (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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