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还原温度对低温还原法制备的Ni2P/Ti-MCM-41催化剂加氢脱硫性能的影响

于祺 ,  宋华 ,  宋华林 ,  王健 ,  姜楠 ,  李锋 ,  陈彦广

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引用本文: 于祺, 宋华, 宋华林, 王健, 姜楠, 李锋, 陈彦广. 还原温度对低温还原法制备的Ni2P/Ti-MCM-41催化剂加氢脱硫性能的影响[J]. 燃料化学学报, 2016, 44(08): 970-976. shu
Citation:  YU Qi, SONG Hua, SONG Hua-lin, WANG Jian, JIANG Nan, LI Feng, CHEN Yan-guang. Effect of reduction temperature on the performance of Ni2P/Ti-MCM-41 catalyst in hydrodesulfurization[J]. Journal of Fuel Chemistry and Technology, 2016, 44(08): 970-976. shu

还原温度对低温还原法制备的Ni2P/Ti-MCM-41催化剂加氢脱硫性能的影响

  • 1.

    1. 东北石油大学 化学化工学院, 黑龙江 大庆 163318;

  • 2.

    2. 东北石油大学 石油与天然气化工省重点实验室, 黑龙江 大庆 163318;

  • 3.

    3. 牡丹江医学院 医学影像学院, 黑龙江 牡丹江 157011

    • 通讯作者: 宋华, 宋华林; 宋华, 宋华林
  • 基金项目:

    国家自然科学基金（21276048) 

    黑龙江省自然科学基金（ZD201201) 

    黑龙江省教育厅面上项目（12541060) 

    东北石油大学研究生创新科研项目（YJSCX2016-019NEPU）资助 

摘要: 以氯化镍（NiCl2·6H2O）为镍源、次磷酸铵（NH4H2PO2）为磷源、Ti-MCM-41为载体，通过程序升温还原法制备了Ni2P/Ti-MCM-41催化剂，并采用H2-TPR、XRD、BET、XPS、TEM等手段对其结构和性质进行了表征。以二苯并噻吩（DBT）为模型化合物，考察了还原温度对Ni2P/Ti-MCM-41催化剂的加氢脱硫（HDS）性能的影响。结果表明，程序升温还原法制备的Ni2P/Ti-MCM-41催化剂前驱体的还原温度为318℃，比传统程序升温还原制备的Ni2P低200℃。在350-500℃下还原得到的催化剂活性相为单一的Ni2P相，较低的还原温度有利于形成更小粒径的磷化镍晶粒。还原温度为400℃时，制得的Ni2P/Ti-MCM-41催化剂比表面积高、分散性最好、表面P富集少，具有最高的HDS活性；在340℃、3.0MPa、H2/油体积比500、质量空速（WHSV）为2.0h-1的条件下，二苯并噻吩HDS转化率达到99.4%。

English

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  • 收稿日期:  2016-02-06
  • 网络出版日期:  2016-04-30
通讯作者: 陈斌, bchen63@163.com
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