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首页> 外文期刊>Separation and Purification Technology >Adsorption capacities of carbon dioxide, oxygen, nitrogen and methane on carbon molecular basket derived from polyethyleneimine impregnation on microporous palm shell activated carbon
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Adsorption capacities of carbon dioxide, oxygen, nitrogen and methane on carbon molecular basket derived from polyethyleneimine impregnation on microporous palm shell activated carbon

机译：聚乙烯亚胺浸渍在微孔掌壳活性炭上的碳分子篮上的二氧化碳，氧气，氮气和甲烷的吸附能力

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摘要

In this study, palm shell-based activated carbon (AC) was used as precursor in the production of carbon molecular basket (CMB) via impregnation of polyethyleneimine (PEI). The effects of amount of PEI impregnated on AC on carbon dioxide (CO2), oxygen (O2), nitrogen (N2), and methane (CH4) adsorption capacities of CMB were investigated. Molecular basket was produced at PEI weight percentages of 0.06, 0.11, 0.13, 0.26, 0.27 and 0.28 wt%. Adsorption capacities of CO2, O2, N2 and CH4 were enhanced with increasing PEI impregnation from virgin AC to 0.26 wt% PEI/AC before the capacities decreased onwards for 0.28 and 0.29 wt% PEI/AC. The amount of PEI impregnation determined for optimum uptake of gas adsorption was 0.26 wt% PEI/AC. The maximum adsorption capacity for the gases follows the sequence: CO2 CH4 > O2 > N2 for all the CMB samples.
机译：在这项研究中，基于棕榈壳的活性炭（AC）被用作通过聚乙烯亚胺（PEI）浸渍生产碳分子篮（CMB）的前体。研究了AC上浸渍的PEI量对CMB的二氧化碳（CO2），氧气（O2），氮气（N2）和甲烷（CH4）吸附容量的影响。以0.06、0.11、0.13、0.26、0.27和0.28重量％的PEI重量百分比生产分子篮。随着PEI浸渍从原始AC到0.26 wt％PEI / AC的增加，CO2，O2，N2和CH4的吸附能力增强，然后PEI / AC的0.28和0.29 wt％的吸附能力开始下降。为最佳吸收气体而确定的PEI浸渍量为0.26 wt％PEI / AC。气体的最大吸附能力遵循以下顺序：所有CMB样品的CO2 CH4> O2> N2。

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