Study on absorption and spectral properties of H2S in carboxylate protic ionic liquids with low viscosity
作者:Tianxiang Zhao、Ping Li、Xi Feng、Xingbang Hu、Youting Wu
DOI:10.1016/j.molliq.2018.07.011
日期:2018.9
Here we synthesized ten carboxylate protic ionic liquids (PILs), containing N-ethylmorpholine acetate, N-ethylmorpholine propionate, N-ethylmorpholine butyrate, N-ethylmorpholine methoxylacetate, 4-(2-hydroxyethyl) morpholine acetate, and 4-(2-hydroxyethyl) morpholine methoxyacetate, triethylamine acetate, triethylamine propionate, triethylamine propionate, and triethylamine methoxylacetate, with low
高昂的价格和高粘度是离子液体(IL)的两个主要缺点,这会影响离子液体在气体分离中的实际应用。在这里,我们合成了10羧酸质子型离子液体(比尔森),含Ñ醋酸-ethylmorpholine,Ñ -ethylmorpholine丙酸酯,Ñ -ethylmorpholine丁酸Ñ -ethylmorpholine methoxylacetate,4-(2-羟乙基)吗啉乙酸盐,和4-(2-羟基乙基)吗啉甲氧基乙酸盐,乙酸三乙胺,丙酸三乙胺,丙酸三乙胺和甲氧基乙酸三乙胺,具有吸收H 2的低成本和高粘度S.在大气压下在(298.2至333.2)K的温度范围内测量这些羧酸盐PIL的密度和粘度。使用等容饱和技术在298.2–318.2 K和0–1.096 bar下测定H 2 S在这些PIL中的溶解度。发现H 2 S在这些PIL中的溶解度随着羧酸上烷基链的压力和长度的增加而增加。在给定的实验条件下,吸收过程遵