对CO2源/下沉的潜在评估及其在CCS过程中的匹配研究深不可操作的深层的CCS过程
Huihuang Fang1,2,3, Yujie Wang4,5, Shuxun Sang6,7,8
1School of Earth and Environment, Anhui University of Science and Technology, Huainan, 232001, Anhui, China. huihuangfang@aust.edu.cn.
Scientific reports
|July 26, 2024
概括
深层无法加工的提供了大量的二氧化碳 (CO2) 储存潜力,对于推进二氧化碳增强煤床甲 (CO2-ECBM) 恢复至关重要. 优化二氧化碳源-沉降器匹配和管道网络可显著降低运输成本和里程.
科学领域:
- 地质工程是地质工程.
- 环境科学 环境科学
- 能源资源 能源资源
背景情况:
- 碳捕获,利用和储存 (CCUS) 对于减轻工业来源的二氧化碳排放至关重要.
- 深层无法加工的煤层代表了重要的,但尚未充分利用的二氧化碳捕获资源.
- 有效的CO2-ECBM技术部署需要对二氧化碳源-沉降潜力的强有力的评估和高效的管道基础设施.
研究的目的:
- 评估深层无法加工的煤层中的二氧化碳储存潜力.
- 分析二氧化碳来源与合适的沉降器的匹配情况.
- 优化管道网络设计,以实现二氧化碳的运输和储存.
主要方法:
- 评估深层不可加工层中的二氧化碳储存潜力的方法.
- 分析二氧化碳源-沉降器匹配和管道网络优化.
- 评估管道长度和资本投资要求.
- 用三步方法逐步实施二氧化碳的运输和储存.
主要成果:
- 深层不可操作的海拥有76.2亿的巨大二氧化碳储存潜力,能够容纳12.97年的排放量.
- 一个10年的储存计划可以封存58760万的二氧化碳,需要251.61公里的管道和4.26美元的投资.
- 优化的二氧化碳源-沉降器匹配实现了累计节省98.75公里的管道里程和256.69亿美元的成本 (分别为39.25%和60.26%).
结论:
- 该研究表明,在华南煤矿区分阶段运输和储存二氧化碳的可行性,使CCUS的部署成为可能.
- 优化的管道网络促进了各种CCUS应用,支持区域内和区域间的二氧化碳运输和储存.
- 这些发现为评估中国煤炭基地的二氧化碳封存潜力和开发CCUS集群提供了基础参考.
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