ENVIRONMENTAL RISK MONITORING FOR MARINE CARBON CAPTURE AND STORAGE BASED ON THE TOMAKOMAI CCS DEMONSTRATION PROJECT IN JAPAN
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摘要: 碳捕集与封存利用技术是应对全球变暖、实现温室气体CO2大规模削减的重要技术途径。海洋碳封存技术是近年来的研究重点之一,该技术利用海下稳定岩石储层对CO2进行储存,相比于陆地碳封存技术具有更高的安全性。以日本苫小牧港CCS示范项目为基础,系统梳理了该项目在海洋生态环境监测、CO2泄漏事故预防监测和地震监测等方面的研究方法,分析并总结了CO2泄漏事故判断指标pCO2/DO值(海水中CO2与DO分压之比)的适用性以及地震对CO2海下注入工程的影响,并基于中国国情提出在海洋碳封存项目中增加CO2泄漏事故预防监测系统和地震监测系统等建议,为地震多发海域今后的碳封存项目提供借鉴。
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关键词:
- 二氧化碳 /
- 海洋碳捕集与封存利用技术 /
- 日本苫小牧港CCS示范项目 /
- 环境监测 /
- 地震监测
Abstract: Carbon capture, utilization and storage (CCUS) is an effective technique to solve global warming issue and achieve the large-scale reduction of greenhouse gas CO2. Nowadays, marine CCUS technology is one of the hot topics, due to its high security for the environment compared to the terrestrial CCUS technology. This paper systematically introduced marine environmental monitoring, the preventive monitoring of CO2 leakage, and the earthquake monitoring of the Tomakomai CCS demonstration project. According to the investigation results, this paper analyzed the applicability of pCO2/DO for CO2 leakage and the influence of earthquakes on CCUS project. Based on the actual state of Chinese marine CCUS, this paper suggests adding a CO2 leakage preventive monitoring system and an earthquake monitoring system. This paper could provide some reference for future marine CCUS projects in China. -
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