燃料与化工 ›› 2014, Vol. 45 ›› Issue (4): 37-39.

• 煤气净化与化学产品加工 • 上一篇    下一篇

聚乙二醇改性脱除煤沥青中3,4-苯并芘

廖志远 孙昱 苏龙 曾鹏   

  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
  • 出版日期:2014-07-22

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

Liao Zhiyuan    Sun Yu    Su Long    Zeng Peng   

  1. Chemical Engineering Academy of Wuhan University of Science and Technology; Hubei Coal Conversion and New Carbon Material Key Laboratory,Wuhan 430081,China
  • Online:2014-07-22

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%。

Abstract:

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 to 85.59%.

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