CO_2海洋封存的发展现状  

Development Status of CO_2 Marine Sequestration

作　　者：孙玉景 周立发[1,2] 李越[3,4] Sun Yujing;Zhou Lira;Li Yue(a.Department of Geology;1b.State Key Laboratory of Continental Dynamics,Northwest University,Xi＇an 710069,Chin;2.State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment,Chinese Academy of Sciences,Xi＇an 710061,Chin;3.College of Earth Science,University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]西北大学地质学系,西安710069 [2]西北大学大陆动力学国家重点实验室,西安710069 [3]中国科学院地球环境研究所黄土与第四纪地质国家重点实验室,西安710061 [4]中国科学院大学地球科学学院,北京100049

出　　处：《地质科技情报》2018年第4期212-218,共7页Geological Science and Technology Information

基　　金：国家重点研发计划"鄂尔多斯盆地奥陶系马家沟组大规模实施二氧化碳地质封存的综合研究与数值模拟"(2016YFE0102500)

摘　　要：全球气候变暖带来的危害促使国际社会在CO_2减排方面达成了共识,近年来备受关注的碳捕集与封存(carbon capture and storage,简称CCS)技术作为CO_2减排的重要手段,正处于快速发展阶段。CO_2海洋封存是CCS技术中实现CO_2减排的一项最具发展潜力的方法,认识其发展现状对于进一步研究CO_2封存具有重要参考价值。对CO_2海洋封存的发展现状作了具体分析,阐述了CO_2海洋封存的方法,包括海洋水柱封存、海洋沉积物封存、CO_2置换天然气水合物封存和海洋增肥4种方法。指明CO_2海洋封存现阶段存在封存成本极高、存在泄露风险、政策法规缺失和公众认知度低4个问题。建议应从完善法律法规、加强国际合作、重视监测技术、提高公众认知4个方面做好CO_2海洋封存下一步的研究与实践工作。The harm brought by global warming leads the international community to reach a consensus on CO2 emission reduction.In recent years,more and more attentions have been drawn to the Carbon Capture and Storage（CCS）technology,an important means of CO2 emission reduction,which is in the stage of rapid development.CO2 ocean sequestration is one of the most promising methods for CO2 reduction in CCS technology and it is of great reference to study CO2 sequestration further.This paper mainly discusses CO2 ocean sequestration,including marine water column storage,marine sediment storage,CO2 replacement of CH4 in gas hydrate and ocean fertilization.Then,the paper elaborates development status of CO2 ocean sequestration and finally proposes that we should improve laws and regulations,strengthen international cooperation,attachgreat importance to monitoring technology and improving public awareness in the future research and practice of CO2 ocean sequestration.

关 键 词：碳封存 海洋封存 海洋水柱 海洋沉积物 CO2置换天然气水合物 

分 类 号：X511[环境科学与工程—环境工程]