Some natural gas purifying processes,such as aqueous alkanolamine solution process,membrane separation process etc.are introduced.The advantages and existent problems of the processes are pointed out.

• 评述了天然气净化使用的几种主要方法如醇胺法、膜处理法等,指出各方法的优势及目前存在的问题,提出了今后天然气净化工艺发展的一些建议。