化工进展Issue(7)：1882-1886,5.DOI:10.16085/j.issn.1000-6613.2015.07.012
制备条件对 Ni2P/TiO2-Al2O3催化剂加氢脱硫性能的影响
Effect of preparation conditions on hydrodesulfurization performance of the Ni2P/TiO2-Al2O3 catalyst
摘要
Abstract
The TiO2-Al2O3 complex support was prepared by the sol-gel method. A nickel phosphide catalyst,Ni2P/TiO2-Al2O3 with citric acid (CA) as chelating agent,was prepared by impregnation method using citric acid (CA) as complexing agent. The catalysts were characterized by X-ray diffraction (XRD) and N2-adsorption specific surface area measurements (BET). The catalytic performance of Ni2P/TiO2-Al2O3 was investigated by hydrodesulfurization (HDS) of dibenzothiophene (DBT). The effects of different,immersion sequences,Ni/P molar ratios and Ni2P loadings on catalytic activity were studied. The results showed that,when the Ni/P molar ratio was less than 1∶1,the single Ni2P phase can be obtained. However,Ni3P phase can be observed with the Ni/P molar ratio of 2∶1. The Ni2P/TiO2-Al2O3 prepared by co-impregnation method with Ni/P molar ratio of 1∶1,a loading of 30% exhibits the optimized catalytic performance. When reaction temperature was 360℃,pressure was 3.0MPa,and hydrogen/oil ratio was 500,and liquid hourly space velocity was 2.0h−1,the conversion of dibenzothiophene HDS was 99.5%.关键词
磷化二镍/加氢脱硫/柠檬酸/络合剂/催化剂/制备Key words
nickel phosphide/hydrodesulfurization/citric acid/chelating agent/catalyst/preparation分类
能源科技引用本文复制引用
苑丹丹,张永江,李锋,宋华..制备条件对 Ni2P/TiO2-Al2O3催化剂加氢脱硫性能的影响[J].化工进展,2015,(7):1882-1886,5.基金项目
国家自然科学基金（21276048）、黑龙江省自然基金（ZD201201）及黑龙江省教育厅项目（12541080）。 （）
