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Influence of the amine alkyl-chain upon carbon dioxide absorption in G-L-L reactor
International Journal of Chemical Reactor Engineering ( IF 1.6 ) Pub Date : 2020-08-31 , DOI: 10.1515/ijcre-2020-0041
Uxía Brea 1 , Diego Gómez-Díaz 1 , José M. Navaza 1
Affiliation  

Abstract Present work analyzes the behavior of several gas-liquid-liquid systems for carbon dioxide separation using chemical absorption. The type of amine center in a solvent with two liquid phases (organic and aqueous) shows a high importance in relation to the overall behavior. The experimental results for these solvents have been compared with a previous study using octylamine in the chemical solvent because it has shown suitable results for carbon dioxide loading, absorption rate and energy cost associated to solvent regeneration. Present study analyzes the carbon dioxide absorption mechanism in multiphasic reactors (specifically G-L-L) using different types of amines in order to understand the overall behavior that involves steps of mass transfer and chemical reaction.

中文翻译:

GLL反应器中胺烷基链对二氧化碳吸收的影响

摘要 目前的工作分析了几种使用化学吸收分离二氧化碳的气-液-液系统的行为。具有两个液相(有机相和水相)的溶剂中胺中心的类型显示出与整体行为相关的高度重要性。这些溶剂的实验结果已与之前在化学溶剂中使用辛胺的研究进行了比较,因为它已显示出合适的二氧化碳负载、吸收速率和与溶剂再生相关的能源成本的结果。本研究分析了使用不同类型胺的多相反应器(特别是 GLL)中的二氧化碳吸收机制,以了解涉及传质和化学反应步骤的整体行为。
更新日期:2020-08-31
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