浅析MDEA对H_2S、CO_2的选择性吸收

The Selective Absorption of MDEA for H_2S and CO_2

介绍了天然气的广泛用途,天然气的主要产区,高含硫普光气田的生产运行指标,胺法吸收的工艺流程。通过MDEA溶剂对H_2S,CO_2吸收的反应方程式,反应过程,反应速率,阐述了胺法吸收的反应原理。从胺液吸收温度,天然气与胺液的气液比,吸收塔板层数,溶剂浓度,消泡剂的注入几个方面分别剖析了MDEA对H_2S,CO_2的吸收影响,印证了MDEA溶剂的优良特性以及其对酸性气吸收的选择性。

The wide range of uses of natural gas,the main producing areas of natural gas,the production operation indicators of high-sulfur Puguang Gas Filed,and the amine absorption process were introduced. The reaction principle of amine uptake through reaction equation H_2 S,CO_2absorption reaction process,the reaction rate of MDEA solvent was described. Form the amine absorption temperature,natural gas and amine liquid ratio absorber plate layers,solvent concentration,defoamers injection aspects,the influence of MDEA on H_2 S,CO_2absorption was analyzed. The excellent MDEA solvent characteristics and selectivity for acid gas absorption were confirmed.