The principle and craft processeses of three kinds of method decarbonization technigue of NHD,hot potassium carbonate,and MDEA were introduced in this paper.

• 简述了NHD法、热钾碱法、MDEA法三种脱碳技术的原理及工艺流程,并对三种流程进行了技术比较,提出了适用条件。