石升友,李水娥,刘祥伟.化学通报,2022,85(6):746-750.
低共熔溶剂用于高效可逆捕集二氧化碳的研究
Study on the application of eutectic solvents for high-efficiency and reversible capture of carbon dioxide
投稿时间:2021-09-29  修订日期:2021-10-19
DOI:
中文关键词:  低共熔溶剂  CO2  可逆吸收  再生  热力学
英文关键词:deep eutectic solvents  CO2  reversible absorption  regeneration  
基金项目:
作者单位E-mail
石升友 贵州大学 材料与冶金学院 1964595079@qq.com 
李水娥* 贵州大学 材料与冶金学院 568144269@qq.com 
刘祥伟 贵州大学 材料与冶金学院  
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中文摘要:
      本文通过一步合成法合成了四种不同摩尔比的TEAC-MEA DES,测定了其热稳定性,发现此DES热稳定性高;通过五次的吸收/解吸循环发现,合成的DES具有重复使用性能较好,再生效率高;通过lnK对1/T线性拟合发现DES吸收CO2的吸收焓为负,由此可以得出,TEAC-MEA DES吸收CO2是放热过程,此DES是非常有潜力的CO2吸收剂。
英文摘要:
      In this paper, four kinds of TEAC-MEA DES with different molar ratios were synthesized by a one-step synthesis method, and their thermal stability was measured, and it was found that this DES had high thermal stability; through five absorption/desorption cycles, it was found that the synthesized DES had reusability. It is better, and the regeneration efficiency is high; through the linear fitting of lnK to 1/T, it is found that the absorption enthalpy of CO2 absorbed by DES is negative. It can be concluded that the absorption of CO2 by TEAC-MEA DES is an exothermic process, and this DES is very Potential CO2 absorbent.
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