氨在[Dmim]DMP离子液体中溶解度的测定  

The measurement of ammonia solubility in the ionic liquid 1,3-dimethylimidazolium dimethylphosphate(DMP)

作　　者：孙光明[1] 郑丹星[1] 黄维佳[1] 董丽[1] 

机构地区：[1]北京化工大学化学工程学院,北京100029

出　　处：《北京化工大学学报（自然科学版）》2012年第4期17-21,共5页Journal of Beijing University of Chemical Technology(Natural Science Edition)

基　　金：国家自然科学基金(50890184);国家"973"计划(2010CB227304)

摘　　要：在温度为293.15～333.15K,压力为0.053～0.665MPa的条件下,用等温合成法测定了氨(NH3)在离子液体1,3-二甲基咪唑磷酸二甲酯([Dmim]DMP)中的溶解度数据。根据各测定量的不确定度和实验数据,计算出各实验点溶解度的不确定度,平均不确定度为0.010,最大不确定度为0.018。以NRTL活度系数模型关联实验数据,获得模型参数,并比较拟合模型的计算值和实验值,平均相对偏差为2.8%,最大相对偏差为6.2%。The isothermal synthesis method has been used to obtain the solubility of ammonia （ NH3 ） in the ionic liquid, 1,3-dimethylimidazolium dimethylphosphate （ [ Dmim ] DMP）, at temperatures from 293.15 - 333.15 K, and in the pressure range 0. 053 -0. 665 MPa. The uncertainty of each experimental datum was obtained from the uncertainty in the experimental parameters, and the average uncertainty was 0. 010, the maximum uncertainty was 0. 018. The experimental data were correlated by the NRTL activity coefficient model with an overall average abso- lute relative deviation （ARD） of 2. 8% and a maximum ARD of 6.2%.

关 键 词：氨 离子液体 [Dmim]DMP 溶解度 等温合成法 

分 类 号：TQ013[化学工程]