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首页> 外文期刊>Combustion Science and Technology >CO_2 Adsorption under Dynamic Conditions: An Overview on Rice Husk-Derived Sorbents and Other Materials
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CO_2 Adsorption under Dynamic Conditions: An Overview on Rice Husk-Derived Sorbents and Other Materials

机译：动态条件下的CO_2吸附：稻壳衍生的吸收剂和其他材料的概述

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摘要

CO2 adsorption on solid sorbents under dynamic conditions is driven by a number of factors, among them textural features (pore volumes, pore size distribution, surface area...), surface chemistry (polarity, presence of active site and/or unsaturated coordinative sites...) and the overall active sites accessibility. Depending on the strength of the interaction with CO2 (chemisorption or physisorption), solid sorbents are broadly divided in two groups, although a sharp distinction between the two phenomena (in many cases concurrent) is obviously not possible. CO2 adsorption data acquired in a lab-scale fixed bed reactor under dynamic conditions and in typical conditions of post-combustion CO2 capture on materials produced from the work-up of carbonized rice husk were here reported and compared with pertinent literature on commercial and ad-hoc synthetized sorbents. Some attempts to correlate adsorption capacities and materials' textural properties or other relevant adsorption parameters have been also proposed.
机译：在动态条件下，固体吸附剂上的CO2吸附受多种因素驱动，其中包括结构特征（孔体积，孔径分布，表面积...），表面化学性质（极性，活性位点和/或不饱和配位点的存在） ...）和整个活动站点的可访问性。根据与CO2相互作用的强度（化学吸附或物理吸附），固体吸附剂大致分为两组，尽管两种现象（在许多情况下并发）之间不可能有明显的区别。本文报告了在实验室规模的固定床反应器中，在动态条件下和燃烧后典型条件下获得的二氧化碳吸附数据，这些数据是从对碳化稻壳进行后处理获得的材料上捕获的，并与有关商业和专业文献的相关文献进行了比较。特殊的合成吸附剂。还提出了一些使吸附能力和材料的质地特性或其他相关的吸附参数相关联的尝试。

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