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2,6-二异丙基萘液相空气氧化制2,6-萘二甲酸

Air oxidation of 2,6-diisopropylnaphthalene to 2,6-naphthalenedicarboxylic acid in liquid phase

作     者:靳海波 韩占生 单希林 李达仁 吴志强 杨春育 JIN Haibo;HAN Zhansheng;SHAN Xilin;LI Daren;WU Zhiqiang;YANG Chunyu

作者机构:北京石油化工学院化工系北京102617 

出 版 物:《化工学报》 (CIESC Journal)

年 卷 期:2007年第58卷第8期

页      面:1996-2003页

核心收录:

学科分类:081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

主  题:2,6-二异丙基萘 2,6-萘二甲酸 液相氧化反应 Co-Mn-Br催化剂 

摘      要:The influences of catalyst concentration, reaction temperature and pressure, feed rate, and water content on the liquid phase oxidation of 2,6-diisopropylnaphthalene to 2,6-naphthalenedicarboxylic acid (2,6-NDCA)were studied in a 1 L titanium reactor using air as oxidant, acetic acid as solvent, and a Co-Mn-Br mixture as catalyst, and the optimum operation conditions were obtained in the experimental ***, the promotor effects of individual CO2 and Ni 2+ and their combined use on the activity of Co-Mn-Br catalyst were *** on the results of the batch experiments, a continuous process for making 2,6-NDCA was *** yield of 2,6-NDCA increased from 69% to 73% and the purity of 2,6-NDCA could be up to 95% with the increasing of reaction time.

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