聚乙烯亚胺
化学
吸附
二氧化碳
解吸
化学工程
气相二氧化硅
多胺
干燥剂
空气净化
水分
色谱法
有机化学
基因
工程类
机械工程
生物化学
转染
作者
Alain Goeppert,Miklós Czaun,Robert B. May,G. K. Surya Prakash,George A. Olah,S. R. Narayanan
摘要
Easy to prepare solid materials based on fumed silica impregnated with polyethylenimine (PEI) were found to be superior adsorbents for the capture of carbon dioxide directly from air. During the initial hours of the experiments, these adsorbents effectively scrubbed all the CO2 from the air despite its very low concentration. The effect of moisture on the adsorption characteristics and capacity was studied at room temperature. Regenerative ability was also determined in a short series of adsorption/desorption cycles.
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