摘要
利用烟酰胺(NA),在30℃,反应时间30 min,胺酚物质的量比为0.1时,酚类物质提取效率可达到93.28%。酰胺(AM)与苯酚之间通过氢键作用结合形成不溶于芳烃的深共晶溶剂(DES),从而实现苯酚的有效分离。AM与苯酚之间形成的氢键种类和数量越多,氢键强度越大,其分离苯酚的效率越高。回收AM提取剂,循环10次后,酰胺类提取剂NA的提取效率依然达到90%以上,NA的回收效率为92.35%,具有良好的循环利用性能。
NA was the most efficient extractants for phenol from the modal oil as extractants.The optimum extraction condition was resulted to be 30℃ and 30 min.93.28% phenol was extracted by NA at amino/phenol molar ratio of 0.1.The deep eutectic solvent(DES)was generated by hydrogen bonding interaction of amide(AM)and phenol.The greater of strength,type and amount of H-bond,the higher extraction efficiencies could be obtained.Excellent recycling performance and high extraction efficiency was exhibited in the whole procedure.Based on the above experimental results,a separation process was proposed.
作者
刘涛
Liu Tao(College of Chemical Engineering,Qingdao University of Science and Technology,Qingdao 266042,China)
出处
《山东化工》
CAS
2020年第3期12-14,共3页
Shandong Chemical Industry
关键词
酰胺
苯酚
深共晶溶剂
氢键
提取效率
amide
phenol
deep eutectic solvent
hydrogen bond
extraction efficiency
