CoX 催化苯乙烯氧化- 膜分离耦合连续反应工艺的研究.PDF

June 2007 现代化工 27 6 # 42 # Modern Chemical Industry 2007 6 CoX - 张 旭, 陈日志, 张利雄, 徐南平 ( 南京工业大学化学化工学院省部共建材料化学工程教育部重点实验室, 江苏 南京210009) : CoX , , , , m ( CoX) B m( ) = 01 16V( ) BV( ) = 3 100 e 6 h800 r/ min, 0103 MP a , 2 5413% , 5 114% , 3 110% , 2819 L/ ( m #h) : ; ; ; : TQ24 1 2 1 : A : 0253- 4320( 2007) 06- 0042- 04 Study on continuous synthesis of oxidation of styrene catalyzed by CoX coupling with membrane separation ZHAN G Xu , CHEN R i-z hi, ZHAN G Li-xiong , X U Nan-p ing ( College of Chemistry and Chemical Engineering, Key Laboratory of M aterials- oriented Chem ical Engineering, MOE , Nanjing University of Technology , Nanj ing 210009, China) Abstract: Continuous operation of the liquid oxidation of styrene reaction catalyzed very fine CoX catalyst w as developed by coupling the suspension system with inorganic m embrane separation The effects of reaction temperature, the amount of catalyst , the amount of solvent and the agitation sp eed on the reaction and membrane flux are investigated T he results show th at the process of membrane sep aration has no negative effect on the reaction, and the factors influ encing membrane flux are attributed to the f illing and aggradation of catalyst in m embrane Ultrasonic washing is the best way to the recovery of m embrane flux When the mass ratio of CoX to styrene is 01 16B1, w ith 3B1 of the volume ratio of solvent to styrene, 800 rpm of agitation