氦(He)作为高科技稀有气体是一种重要的战略物质,我国是氦贫乏国家,其资源战略意义日趋突出。阐述了世界氦资源分布、我国氦资源利用和提氦技术现状,详细介绍了天然气提氦技术中的吸收法、吸附法、水合物法、膜分离法、低温法和联合法等,并指出这些方法的优缺点和应用水平,为今后提氦技术发展提供参考。

Helium,as a rare gas,is an important strategic substance.As a country with poor helium resource,the strategic significance of helium becomes increasingly prominent in China.The distribution of helium resource in the world,the utilization of helium resource in China and the status of helium extraction technologies are displayed.The technologies for helium extraction from natural gas are elaborated,including absorption method,adsorption method,hydrate method,membrane separation method,low temperature method and combining method,and the advantages,disadvantages and application level of these methods are also expounded,which can provide reference for the development of helium extraction technology in the future.

丁宇(1972-),男,本科,高级工程师,研究方向为油气储运及处理