超临界乙醇抽提洗油组分的工艺研究  

EXTRACTION OF GAS ABSORBER OIL CONSTITUENTS WITH SUPERCRITICAL ETHANOL

作　　者：何选明[1] 张连斌[1] 彭宏杰[1] 潘琛[1] 吴梁森[1] 

机构地区：[1]煤转化与新型类材料湖北省重点实验室,武汉科技大学化学工程与技术学院,武汉430081

出　　处：《煤炭转化》2012年第1期57-60,共4页Coal Conversion

摘　　要：以超临界乙醇为抽提溶剂,采用恒容升温法对洗油组分中的氧芴、芴及苊进行超临界乙醇抽提工艺研究,对抽提产物进行GC分析,计算其超临界溶解度和抽提百分比.结果表明,氧芴与芴在超临界乙醇中的溶解性接近,均在反应温度为255℃,反应压力为7.0MPa达到最大超临界溶解度;在反应温度为265℃,反应压力为11.0MPa时超临界乙醇抽提百分比达到最高;苊在超临界乙醇中的抽提效果规律性不明显;超临界乙醇抽提洗油效果差异性明显;抽提完成后溶剂易于回收利用.With the method of constant volume heating, experiment of dibenzofuran, di- phenylenemethane, acenaphthene extracted by supercritical ethanol was conducted. The charac teristics of extracted products obtained from the supercritical ethanolysis experiment were analyzed through GC, and the supercritical solubility and the supercritical exhaust percent were calculated. The results show that dibenzofuran and diphenylenemethane have the maximum supercritical solubility under the conditions of temperature at 255℃, pressure at 7.0 MPa and the maximum supercritical exhaust percent under the conditions of temperature at 265℃, pressure at 11.0 MPa. And there is not significant regularity of acenaphthene in supercritical ethanol. There is significant discrepance in supercritical extracted gas absorber oil. The solvent is recyclable after experiment of extraction.

关 键 词：洗油组分 超临界乙醇抽提 GC分析 

分 类 号：TQ522.64[化学工程—煤化学工程]