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烯胺活化羟乙基乙二胺吸收CO2的反应热
引用本文:陆诗建,马嘉慧,耿春香,赵东亚,李欣泽,张建.烯胺活化羟乙基乙二胺吸收CO2的反应热[J].化工环保,2018,38(1):83-87.
作者姓名:陆诗建  马嘉慧  耿春香  赵东亚  李欣泽  张建
作者单位:1. 中国石油大学华东 化学工程学院,山东 青岛 266580;;2. 中石化节能环保工程科技有限公司,山东 东营 257026
摘    要:以羟乙基乙二胺(AEEA)为基础吸收剂,分别加入二乙烯三胺(DETA)、三乙烯四胺(TETA)、四乙烯五胺(TEPA)作为活化剂,探讨了不同烯胺体积分数和CO2负载量(吸收的CO2与活化吸收剂的摩尔比)对各烯胺活化的AEEA吸收剂CO2吸收热、解吸热、CO2脱除率的影响。综合对比结果,最优的活化吸收剂为AEEA+5%(φ)DETA,其最低CO2吸收热为63.0 kJ/mol(以每摩尔CO2计),解吸热为82.5 kJ/mol,CO2脱除率为76.2%。

关 键 词:CO2捕集  吸收热  解吸热  羟乙基乙二胺  烯胺  
收稿时间:2017-04-08

Reaction heat of CO2 absorption on enamine-activated hydroxyethyl ethylenediamine
Lu Shijian,Ma Jiahui,Geng Chunxiang,Zhao Dongya,Li Xinze,Zhang Jian.Reaction heat of CO2 absorption on enamine-activated hydroxyethyl ethylenediamine[J].Environmental Protection of Chemical Industry,2018,38(1):83-87.
Authors:Lu Shijian  Ma Jiahui  Geng Chunxiang  Zhao Dongya  Li Xinze  Zhang Jian
Institution:1. College of Chemical Engineering,China University of PetroleumEast China,Qingdao Shandong 266580,China;;2. Sinopec Energy and Environmental Engineering Co. Ltd.,Dongying Shandong 257026,China
Abstract:CO2 was absorbed using hydroxyethyl ethylenediamine(AEEA) as basic absorbent and diethylene triamine (DETA),triethylene tetramine(TETA),tetraethylene pentamine(TEPA) as activating agent respectively. The effects of enamine volume fraction and CO2 loading(the mole ratio of absorbed CO2 to activeted absorbent) on absorption heat,desorption heat and CO2 removal rate of different enamine-activated AEEA absorbent were studied. The comparative analysis results showed that the best activated absorbent was AEEA+5%(φ) DETA with 63.0 kJ/mol of CO2 absorption heat,82.5 kJ/mol of CO2 desorption heat and 76.2% of CO2 removal rate.
Keywords:CO2 capture  absorption heat  desorption heat  hydroxyethyl ethylenediamine(AEEA )  enamine  
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