CAJ | 학술논문

用于CO2/CH4二元混合体系吸附分离的吸附剂种类较多,效果参差不齐,而吸附剂的各种特性是影响分离效果的主要原因。本文从吸附剂特性出发,总结了孔结构、可交换阳离子、表面化学以及吸附剂湿度4个因素对吸附分离效果的影响,并解释了造成各种影响的原因。得出结论：中孔有利于该二元体系的分离和胺基嫁接;在吸附剂骨架之外引入合适的可交换阳离子可促进吸附剂与CO2四极矩之间吸引力,提升分离效果;吸附剂的表面羟基也是影响胺基嫁接的重要因素;水分既有利于该体系的吸附分离,又可以促进胺基吸附剂再生。
용우CO2/CH4이원혼합체계흡부분리적흡부제충류교다,효과삼차불제,이흡부제적각충특성시영향분리효과적주요원인。본문종흡부제특성출발,총결료공결구、가교환양리자、표면화학이급흡부제습도4개인소대흡부분리효과적영향,병해석료조성각충영향적원인。득출결론：중공유리우해이원체계적분리화알기가접;재흡부제골가지외인입합괄적가교환양리자가촉진흡부제여CO2사겁구지간흡인력,제승분리효과;흡부제적표면간기야시영향알기가접적중요인소;수분기유리우해체계적흡부분리,우가이촉진알기흡부제재생。
Abstract： There are many types of adsorbents which are used for adsorption and separation of CO2/CH4 binary mixtures system. It is the various characteristics of adsorbents that affect separation result. As a starting point, four kinds of adsorbent properties affecting separation, which include porous structure, exchangeable cations, surface chemistry and moisture of adsorbent, are summarized in this article and the reason of all kinds of influences are explained. We come to several conclusions, including that mesoporous is conducive to the separation and amine grafting; the introduction of corresponding exchangeable cations can enhance the affinity between quadrupole and adsorbents, and improve the adsorption selectivity; surface hydroxyl is also an important factor affecting grafting amine; moisture can enhance the separation performance of adsorbent but also is conducive to grafting amine.