低温煤焦油中酚类化合物的分离设计  

Separation Design of Phenolic Compounds in Low Temperature Coal Tar

作　　者：常伟先 Chang Weixian(Spang Technology Co.,Ltd.,Shanghai 201210,China)

机构地区：[1]胜帮科技股份有限公司,上海201210

出　　处：《云南化工》2018年第8期78-80,共3页Yunnan Chemical Technology

摘　　要：从酚含量高的低温煤焦油提取酚类化合物,可延伸企业的产业链,为企业带来良好效益。介绍了设计的原料性质、采用的工艺路线和物料平衡计算过程,设计虽然采用传统的碱洗酸中和法,但在减少废水排放和酚精馏节能方面改进了设计方法。综述了目前煤焦油抽提酚工艺方法概况,分析了技术的发展方向和应用前景,为以后工艺的改进提出了建议。Phenolic compounds are extracted from low temperature coal tar with high phenol content.h can extend theindustrial chain of enterprises and bring good benefits to the enterprises.The process routes and material balance calculationand properties of material are introdueed.Ahhough the traditional neutralization method is adopted, the design method isimproved in reducing waste water discharge and saving energy from phenol distillation.The present process of extractingphenol from coal tar was reviewed.The development direction and application prospect of technology are analyzed.SomeSuggestions are put forward to improve the process in the future.

关 键 词：煤焦油 碱抽提 酚类化合物 精馏 

分 类 号：TQ523[化学工程—煤化学工程]