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CO2大量排放引发的全球“温室效应”正在受到密切关注,如何处理化石燃料燃烧排放的CO2成为重大课题。通过对现行CO2地质封存技术的分析,提出了利用煤矿废弃矿井采空区作为CO2储层的新观点。对煤矿废弃矿井采空区封存CO2的机理和可行性进行了分析和探讨,评估其风险,并提出了初步的应对措施。通过建立数学模型推导出CO2封存量的计算方法。研究认为,煤矿废弃矿井采空区封存CO2具有一定的可行性且应用前景广阔。
The global “greenhouse effect” triggered by the massive emissions of CO2 is receiving close attention. How to deal with the CO2 emissions from the combustion of fossil fuels has become a major issue. Based on the analysis of the current CO2 geological storage technology, a new viewpoint of using the mined-out area of abandoned coal mines as a CO2 reservoir is proposed. The mechanism and feasibility of sequestering CO2 in the mined-out area of abandoned mines were analyzed and discussed, the risks were evaluated, and the preliminary countermeasures were put forward. Through the establishment of a mathematical model to derive the calculation of CO2 storage. According to the research, it is feasible to sequester CO2 in the mined-out area of abandoned coal mines and has broad application prospect.