聚乙二醇改性脱除煤沥青中3,4-苯并芘  

Removal of benzo[a] pyrene from coal tar pitch with polyethylene glycol

作　　者：廖志远[1] 孙昱[1] 苏龙[1] 曾鹏[1] 

机构地区：[1]武汉科技大学化工学院湖北省煤转化与新型碳材料重点实验室,武汉430081

出　　处：《燃料与化工》2014年第4期37-39,42,共4页Fuel & Chemical Processes

基　　金：国家级大学生创新创业训练计划项目(201210488008)

摘　　要：以聚乙二醇为改性剂,研究在溶剂条件下降低煤沥青中3,4-苯并芘的工艺。研究表明,当混合溶剂V环己烷∶V甲苯=2∶1为反应溶剂、硫酸用量为煤沥青质量的6.67%、聚乙二醇600用量为煤沥青质量的10%、反应温度为80℃、反应时间为5h时,3,4-苯并芘降低率为85.59%。Using polyethylene glycol as modifying agent,the process of reducing the content of benzo[a]pyrene in coal tar pitch under solvent condition is studied. The study shows that when the reaction solvent ratio is 2∶ 1 in volume between cyclohexane and toluene,the sulfuric acid and polyethylene glycol 600 used are 6. 67% and 10% in weight of the coal tar pitch respectively,and the reaction takes place under the temperature of 80℃ for 5h,benzo [a] pyrene can be removed up to85. 59%.

关 键 词：煤沥青 3 4-苯并芘 聚乙二醇 

分 类 号：TQ522.65[化学工程—煤化学工程]