KT-02负载型镍催化剂用于对硝基苯酚催化加氢  

Catalytic Performance of KT-02 Supported Nickel Catalyst for P-nitrophenol Hydrogenation

作　　者：唐蓉萍[1] 何小荣[1] 杨兴锴[1] 索陇宁[1] 曹福军 伍家卫[1] 

机构地区：[1]兰州石化职业技术学院石油化学工程系,甘肃兰州730060 [2]甘肃中科药源生物工程股份有限公司,甘肃兰州730087

出　　处：《广东化工》2012年第13期44-45,共2页Guangdong Chemical Industry

基　　金：甘肃省省属高校基本科研业务费资助项目甘财教(2009-192)

摘　　要：以KT-02新型Ni/SiO2催化对硝基苯酚加氢制备对氨基苯酚,考察了温度、压力、搅拌速度等因素对反应的影响,并对催化剂进行了套用实验。实验表明,以甲醇为溶剂,加入8%催化剂,在90-95℃、1.5 MPa氢压条件下反应4.5 h,对硝基苯酚转化率和对氨基苯酚选择性均可达98%,催化剂套用8次以上。KT-02 supported nikel catalyst was used for p-nitrophenol hydrogenation.The effects of temperature,pressure,the amount of catalyst and stirring speed were studied to optimize the technological factor.The results showed that under the optimum conditions of reaction temperature at 90-95 ℃,time 4.5 h,the hydrogen pressure 1.5 MPa,the conversion of p-nitrophenol and the selectivite of p-aminophenol could achieve 98 %,The catalyst KT-02 could be cycled as much as 8 times.

关 键 词：对硝基苯酚 对氨基苯酚 负载型镍催化剂 催化加氢 

分 类 号：TQ[化学工程]