Pd/Co_3O_4金属催化剂的制备及其催化还原邻氯硝基苯的研究  

Preparation of Pd/Co_3O_4 Metal Catalyst and Its Catalytic Reduction of o-Chloronitrobenzene

作　　者：赵永清[1] 朱德林 余永德 黄华莹 Zhao Yongqing;Zhu Delin;Yu Yongde;Huang Huaying(Sichuan Lutianhua Company Limited,Luzhou 646300,Sichuan,China)

机构地区：[1]四川泸天化股份有限公司,四川泸州646300

出　　处：《四川化工》2019年第2期1-5,共5页Sichuan Chemical Industry

摘　　要：采用浸渍法制备了Pd/Co_3O_4负载型金属催化剂,进一步考察了其催化邻氯硝基苯加氢反应的催化性能。研究表明:以纳米Co_3O_4为载体所制得的Pd/Co_3O_4金属催化剂用于邻氯硝基苯催化加氢反应具有较高的反应活性和选择性,反应转化率达85%以上,其中邻氯苯胺的选择性也达到90%以上。In this paper,Pd/Co3O4 supported metal catalysts were prepared by impregnation method,and the catalytic performance of the catalytic hydrogenation of o-chloronitrobenzene was further investigated.The results show that the Pd/Co3O4 metal catalyst prepared by using nano-Co3O4 as carrier has high reactivity and selectivity for the catalytic hydrogenation of o-chloronitrobenzene.The reaction conversion rate is over 85%,of which o-chloroaniline The selectivity is also over 90%.

关 键 词：浸渍法 负载型钯催化剂 邻氯硝基苯 催化加氢 选择性 

分 类 号：TQ426[化学工程] TQ246.34