本文選題：液液萃取 + 離子液體��； 參考：《中國科技論文》2017年18期

【摘要】：選擇3種離子液體[HMIM][PF_6]、[BMIM][BF_4]和[EMIM][BF_4]為萃取脫硫溶劑對燃油進行深度脫硫,以苯并噻吩和正辛烷組成模型油,用分子連接性指數(shù)法選出了最優(yōu)離子液體萃取劑為[HMIM][PF_6]。接著通過脫硫?qū)嶒瀸λx離子液體在不同溫度、攪拌時間、劑油比及萃取級數(shù)條件下的脫硫性能以及30℃下噻吩類硫化物的分配系數(shù)進行了實驗研究和系統(tǒng)分析,并對離子液體進行了回收。結(jié)果表明,這3種離子液體對硫組分都有一定的去除能力,除硫能力最好且分配系數(shù)最大的均為[HMIM][PF_6],且回收利用多次后脫硫性能仍較高,說明其可以作為良好的萃取脫硫劑,并在未來脫硫工業(yè)中有一定的應(yīng)用前景。
[Abstract]:Three kinds of ionic liquids [HMIM] [PF6], [BMIM] [BFStu4] and [EMIM] [BF4] were selected for deep desulfurization of fuel oil. The model oil composed of benzothiophene and n-octane was selected as the optimal ionic liquid extractant [HMIM] [PF6] by molecular connectivity index method. Then the desulfurization performance of the selected ionic liquids at different temperatures, stirring time, ratio of agent to oil and extraction order, and the partition coefficient of thiophene sulfides at 30 鈩，

本文編號：2084126