制备条件对煤热解制氢用NiOAl2o3催化剂活性影响的研究 .pdfVIP

学兔兔 煤 炭 工 程 2010年第1 1期 制备条件对煤热解制氢用NiO／~／一Al2 o3 催化剂活性影响的研究 张 蕾 ，舒新前 (1．西安科技大学地质与环境学院，陕西西安 710054； 2．中同矿业大学(北京)清洁能源与环境工程研究所，北京 100083) 摘 要：文章介绍了一种负载型NiO／-／一A1，0 催化剂的制备，并且从Ni的负载量、焙烧时 间、焙烧温度3个方面探讨了不同的制备条件对NiO／~／一A1，0 催化剂活性的影响。通过实验确 定了NiO／,／一Al，0 催化剂制备的最佳3-艺条件，应用XRD检测手段对催化剂的结构和性能进行 了表征。结果表明：NiO／-,／一A1 0 催化剂最佳的制备条件为Ni的负载量为10％、焙烧温度为 450℃，焙烧时间为5h。 关键词：煤热解；催化剂；制氢 中图分类号：TK91 文献标识码：B 文章编号：1671—0959(2010)11-0100-04 Study on preparation conditions affected to activity of NiO／~—— Al2 O3 catalyst for hydrogen production with coal pyrolysis ZHANG Lei ，SHU Xinqian (1．School of Geology and Environment Engineering，Xihn University of Science and Technology，Xihn 7 10054，China； 2．Research Institute of Cleaning Energy and Environment Engineering，China University of Mining and Technology(Beijing)， Beijing 100083，China) Abstract：The paper introduced the preparation of the load type NiO／~／一A12 03 catalyst．From the Ni loading quantity， calcination time and calcination temperature，the paper had a discussion on the different preparation conditions affected to the activity of NiO／~一A12 03 catalyst．With the experiment，the optimum technique condition was determined for the preparation of the NiO／~一A12 03 catalyst．The XRD detection means was applied to characterize the structure and the performances of the catalyst．The resuhs showed the optimum preparation conditions of t