文献类型：专利

英文题名：Extracting high purity biphenyl from crude benzol rectifier residual liquid by continuous rectification method involves extracting and separating benzene and toluene by coal tar hydrogenation technique, where residue is methyl residue

作者：SHI Y;WANG C;YU X;LE Q

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN107129422-A

申请日：2016-02-28

公开日：2017-09-05

语种：英文

收录：DERWENT

摘要：NOVELTY - Extracting high purity biphenyl from crude benzol rectifier residual liquid by continuous rectification method involves extracting and separating benzene and toluene by coal tar hydrogenation technique, where the residue is methyl residue, or industrial washing oil. USE - Method for extracting high purity biphenyl from crude benzol rectifier residual liquid by continuous rectification method (claimed). ADVANTAGE - The method enables to extract high purity biphenyl from crude benzol rectifier residual liquid by continuous rectification method which is easy to process in a simple, energy-saving and cost-effective manner. It has convenient operation and high separation efficiency.