中国电机工程学报2024，Vol.44Issue(1)：203-213,中插17,12.DOI:10.13334/j.0258-8013.pcsee.221485
具有自萃取功能的相变CO2吸收剂体系开发
Development of CO2 Capture Phase Change Absorption System With Self Extraction
摘要
Abstract
At present,there are some problems in the application of CO2 capture engineering,such as high regeneration energy consumption,low mass transfer rate and large operation loss,which seriously restricts the large-scale popularization and application of CO2 capture technology.To address these issues,phase change absorbers suitable for low partial pressure CO2 capture are developed in this paper.The phase change absorption system is mainly composed of hydrophilic amine N-aminoethyl piperazine(AEP),with lipophilic phase separation agent Di-n-butylamine(DPA)and activator.The results showed that the absorption load is 1.082 mol CO2/mol solution,and the regeneration temperature is reduced to 98.5℃.It has excellent absorption and desorption properties.NMR analysis shows that the reaction products have a carbamate molecular structure.Experimental studies of continuous testing of CO2 capture show that compared with the same concentration of 3 mol/L Monoethanolamine(MEA)solution,the absorption capacity of MEA in unit volume and concentration phase change system is increased by more than 33％under the same regeneration energy consumption;the regeneration rate of phase change system is increased by 15％compared with MEA under the same regeneration energy consumption,and the regeneration energyconsumption of phase change system which is decreased by more than 31％under the same regeneration rate.These results indicate that this phase change absorber has good application prospects for CO2 capture.关键词
CO2捕集/亲水性胺/亲酯性胺/再生能耗/自萃取/相变体系Key words
CO2 capture/hydrophilic amine/lipophilic amine/regeneration energy consumption/self-extraction/phase change system分类
化学化工引用本文复制引用
陆诗建,刘含笑,吴黎明,方梦祥,俞徐林,赵东亚,刘玲,康国俊..具有自萃取功能的相变CO2吸收剂体系开发[J].中国电机工程学报,2024,44(1):203-213,中插17,12.基金项目
浙江省科技计划项目(2023C03156) （2023C03156）
宁波市科技计划项目(2022Z163).Science and Technology Planning Project of Zhejiang Province(2023C03156) （2022Z163）
Science and Technology Plan Project of Ningbo(2022Z163). （2022Z163）
