【摘要】 论述了煤焦油净化处理的意义，并对煤焦油所含杂质的来源和特性进行了分析，详细介绍了国内外净化处理煤焦油的各种方法，其中包括静置沉降分离、高温离心分离、热溶过滤和溶剂车取等方法。更多还原

【Abstract】 This paper expounds the significance of purification treatment of coal tar, andanalyzes the sources and characteristics of impurities lncluded in coal tar. Various methods of pu-rification treatment of coal tar at home and abroad are introduced in detail, which include the sta-tionary sedimentation, high temperature centrifugal separation, thermal dissolution filtration andsolvent extraction. lt is hoped that the purification treatment of coal tar can be paid attention toby the industry of coal tar processing.更多还原