精对苯二甲酸生产中的乙酸脱水工艺技术进展  

Progress of Acetic Acid Dehydration Technology in PTA Production

作　　者：邢跃军[1] 夏慧敏 卞政 杨冰倩 李传峰[1] Xing Yuejun;Xia Huimin;Bian Zheng;Yang Bingqian;Li Chuanfeng(Nanjing Research Institute,SINOPEC Yangzi Petrochemical Co.,Ltd.,Nanjing,Jiangsu 210048)

机构地区：[1]中国石化扬子石油化工有限公司南京研究院,江苏南京210048

出　　处：《石油化工技术与经济》2022年第4期57-62,共6页Technology & Economics in Petrochemicals

摘　　要：对精对苯二甲酸(PTA)装置的溶剂回收系统及PTA主要专利商的乙酸溶剂脱水工艺作了介绍,并综述了近年来国内外乙酸脱水工艺的技术研究进展,指出在新建PTA装置或进行技术改造时应优先选用低投资、低能耗、高效率的乙酸溶剂脱水分离方法。The solvent recovery system of PTA plant and the acetic acid dehydration process of several major PTA patentees were introduced,and the progress of acetic acid dehydration technologies at home and abroad in recent years was reviewed.It was pointed out that the acetic acid solvent dehydration and separation method with low investments,low energy consumptions and high efficiencies should be preferred in the new PTA plants or technical transformation.

关 键 词：对苯二甲酸 精对苯二甲酸 乙酸脱水 共沸精馏 

分 类 号：TQ245.12[化学工程—有机化工]