Experimental Study of Isopropanol Dehydrogenation over Amorphous Alloy Raney Nickel Catalysts  

作　　者：XIN Fang XU Min LI Xun-Feng HUAI Xiu-Lan 

机构地区：[1]Institute of Engineering Thermophysics,Chinese Academy of Sciences [2]University of Chinese Academy of Sciences

出　　处：《Journal of Thermal Science》2013年第6期613-618,共6页热科学学报（英文版）

基　　金：supported by the National Natural Science Foundation of China under Grant No 51276181,Grant No.51106158;the National Basic Research Program of China under Grant No 2011CB710705

摘　　要：The dehydrogenation reaction of isopropanol occurring at low temperature is of great industrial importance. It is a key procedure in isopropanol/acetone/hydrogen chemical heat pump system. An experimental investigation was performed to study the behavior of the liquid phase dehydrogenation of isopropanol over amorphous alloy Raney nickel catalysts. Un-promoted and promoted catalysts were used and their performances were compared under various catalyst amounts, acetone content in the reactant and reaction temperature ranging from 348 K to 355 K.It is found that there exists an optimum catalyst concentration which is about 0.34 g in 300 ml isopropanol. The temperature has evident effect on the reaction. The presence of activities of Fe-promoted catalyst decrease slightly compared to the un-promoted catalyst when the temperature are 348 K and 351 K. Besides, the reaction rate decreases almost linearly with the increase of acetone volume fraction in the reactant.

关 键 词：Chemical heat pump Liquid-phase dehydrogenation ISOPROPANOL 

分 类 号：O643.36[理学—物理化学]