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首页> 外文会议>CO2 summit II: Technology and opportunity 2016 >USING GEOLOGIC CO_2 STORAGE FOR ENHANCED GEOTHERMAL ENERGY AND WATER RECOVERY AND ENERGY STORAGE
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USING GEOLOGIC CO_2 STORAGE FOR ENHANCED GEOTHERMAL ENERGY AND WATER RECOVERY AND ENERGY STORAGE

机译：使用地质CO_2储存增强地热能以及水的回收和能量储存

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Reductions in CO_2 emissions at a scale consistent with limiting the increase in the global average temperature to below 2℃ above pre-industrial levels requires a range of measures, including increased use of renewable and low-carbon energy and reduced CO_2 intensity of fossil energy use, with each of these measures having major deployment barriers. The variability of the predominant renewable resources (wind and solar) requires major advances in utility-scale diurnal-to-seasonal energy storage. Base-load energy, such as nuclear, that cannot be cycled during periods of over-generation will have difficulty co-existing on electric grids with a large presence of variable renewables. Major deployment barriers for CO_2 capture, utilization, and storage (CCUS) in saline reservoirs include: (1) net cost (after accounting for utilization benefits); (2) water intensity of CO_2 capture, and (3) overpressure, which is fluid pressure that exceeds the original reservoir pressure due to CO_2 injection, because it drives key storage risks: induced seismicity, caprock fracture, and CO_2 leakage.
机译：要以与将全球平均温度的增加限制在比工业化前水平高出2摄氏度以下的规模一致的方式减少CO_2排放，就需要采取一系列措施，包括增加对可再生能源和低碳能源的利用，以及降低化石能源利用的CO_2强度。 ，而这些措施中的每一个都有主要的部署障碍。主要可再生资源（风能和太阳能）的多变性要求在公用事业规模的昼间至季节的能源存储方面取得重大进展。在过量发电期间无法循环使用的基本负荷能源，例如核能，将难以在存在大量可再生能源的电网上共存。盐水库中CO_2的捕集，利用和封存（CCUS）的主要部署障碍包括：（1）净成本（扣除利用收益后）； （2）捕获CO_2的水强度，和（3）超压，即由于注入CO_2而超过原始储层压力的流体压力，因为它带来了关键的存储风险：诱发地震，盖层破裂和CO_2泄漏。

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