• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>CO2 summit II: Technology and opportunity 2016 >OPTIMAL GEOTHERMAL HEAT EXTRACTION USING CO_2
【24h】

OPTIMAL GEOTHERMAL HEAT EXTRACTION USING CO_2

机译：使用CO_2最佳地热萃取

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Carbon dioxide (CO_2) capture and storage (CCS) systems alleviate global climate change through the subsurface storage of CO_2 emission. This CCS technology can be costly, but CO_2 Capture, Utilization, and Storage (CCUS) approaches can decrease the cost of CCS, because sequestered CO_2 is used to produce an economically viable commodity. In one CCUS application, CO_2 that is sequestered in sedimentary basins during the CCS process can be used to extract geothermal heat that can then be used to generate a profit. These CO_2-geothermal systems rely on the temperature of the reservoir-and thus the temperature of the heat extraction fluid that is produced to the surface-but these temperatures can decrease if the rate at which heat is extracted from the reservoir exceeds the rate at which the natural geothermal heat flux increases the temperature. Sustainability in this context is often synonymous with extracting heat at a rate that does not deplete the temperature in the reservoir. This perspective of sustainability focuses on the physical/environmental performance of the geothermal reservoir, but keeping heat in the reservoir may not be economically sustainable. As such, environmental and economic performance are interconnected, and CCUS systems must consider both of these metrics of sustainability.
机译：二氧化碳（CO_2）捕集与封存（CCS）系统通过地下存储CO_2排放来缓解全球气候变化。这种CCS技术的成本可能很高，但是CO_2的捕获，利用和存储（CCUS）方法可以降低CCS的成本，因为隔离的CO_2被用于生产经济上可行的商品。在一项CCUS应用中，在CCS过程中被隔离在沉积盆地中的CO_2可用于提取地热，然后再用于产生利润。这些CO_2地热系统依赖于储层的温度，因此也依赖于地表产生的吸热流体的温度，但是如果从储层中提取热量的速率超过了该速率，则这些温度会降低。自然的地热通量使温度升高。在这种情况下，可持续性通常与以不消耗储层温度的速率提取热量同义。这种可持续性观点着眼于地热储层的物理/环境性能，但是在储层中保持热量可能在经济上不可持续。因此，环境和经济绩效是相互联系的，CCUS系统必须考虑这两个可持续性指标。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号