沸石
吸附
解吸
水分
化学
活性炭
分析化学(期刊)
化学工程
色谱法
催化作用
有机化学
工程类
作者
Jie Bao,Jigang Zhao,Xiaotao Bi
标识
DOI:10.1002/cite.202200108
摘要
Abstract Adsorption of CO 2 using zeolite 13X as adsorbent has been studied extensively, but little attention has been paid to CO 2 adsorption at very low concentrations such as in the ambient air. Furthermore, there is almost no information on CO 2 desorption characteristics. In a carbon enrichment for plant stimulation system, ambient CO 2 is enriched from 400 to 1000 ppm to provide an enriched CO 2 stream for plant growth in greenhouses. To provide essential design data, systematic performance tests were carried out to evaluate both the adsorption and desorption capacity, enrichment factor, moisture content, and cyclic performance. It was found that the adsorption capacity and CO 2 concentration in the enriched air are a function of adsorption temperature and the difference of adsorption and desorption temperatures, for a given adsorbent loading at a properly selected gas flow rate.
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