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CO_2负载量(吸收的CO_2与活化吸收剂的摩尔比)对各烯胺活化的AEEA吸收剂CO_2吸收热、解吸热、CO_...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CO_2负载量(吸收的CO_2与活化吸收剂的摩尔比)对各烯胺活化的AEEA吸收剂CO_2吸收热、解吸热、CO_2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CO_2吸收热为63.0 k J/mol(以每摩尔CO_2计),解吸热为82.5 k J/mol,CO_2脱除率为76.2%。展开更多
The saturated vapor pressure of 2-(2-Aminoethylamino) ethanol (AEEA) and the VLE data for AEEA-EDA (ethylenediamine) system at temperature of 60?℃ were measured by using a static equilibrium apparatus.Vapor pressure ...The saturated vapor pressure of 2-(2-Aminoethylamino) ethanol (AEEA) and the VLE data for AEEA-EDA (ethylenediamine) system at temperature of 60?℃ were measured by using a static equilibrium apparatus.Vapor pressure data were correlated by Antoine equation and binary VLE data were calculated with UNIFAC model.All the calculated values were satisfactory.展开更多
The mechanism of the reaction of N β dydroxyethylethylenediamine (HEDA) on copper under catalysis for the synthesis of piperazine was studied.The structures of reaction mixtures were identified by GC MS.The prelimina...The mechanism of the reaction of N β dydroxyethylethylenediamine (HEDA) on copper under catalysis for the synthesis of piperazine was studied.The structures of reaction mixtures were identified by GC MS.The preliminary study demonstrats that the above reaction is an intermolecular catalytic amination of alcohol and was proved to proceed through dehydrogenation and hydrogenation.Under the reaction conditions HEDA may undertake the bimolecular disproportionation reaction.Furthermore,the similar nucleophilic substitution reactions between starting material and products,between products and products,possibly occur to give the corresponding byproducts.展开更多
文摘以羟乙基乙二胺(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CO_2负载量(吸收的CO_2与活化吸收剂的摩尔比)对各烯胺活化的AEEA吸收剂CO_2吸收热、解吸热、CO_2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CO_2吸收热为63.0 k J/mol(以每摩尔CO_2计),解吸热为82.5 k J/mol,CO_2脱除率为76.2%。
文摘The saturated vapor pressure of 2-(2-Aminoethylamino) ethanol (AEEA) and the VLE data for AEEA-EDA (ethylenediamine) system at temperature of 60?℃ were measured by using a static equilibrium apparatus.Vapor pressure data were correlated by Antoine equation and binary VLE data were calculated with UNIFAC model.All the calculated values were satisfactory.
文摘The mechanism of the reaction of N β dydroxyethylethylenediamine (HEDA) on copper under catalysis for the synthesis of piperazine was studied.The structures of reaction mixtures were identified by GC MS.The preliminary study demonstrats that the above reaction is an intermolecular catalytic amination of alcohol and was proved to proceed through dehydrogenation and hydrogenation.Under the reaction conditions HEDA may undertake the bimolecular disproportionation reaction.Furthermore,the similar nucleophilic substitution reactions between starting material and products,between products and products,possibly occur to give the corresponding byproducts.
