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NiW/SAPO-11催化剂制备方法对柴油异构降凝性能的影响

魏晓鸣,  柳云骐,  赵亮,  刘晨光

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文章导航 > 燃料化学学报（中英文）  > 2014 >  42(12): 1500-1505
魏晓鸣, 柳云骐, 赵亮, 刘晨光. NiW/SAPO-11催化剂制备方法对柴油异构降凝性能的影响[J]. 燃料化学学报（中英文）, 2014, 42(12): 1500-1505.
引用本文: 魏晓鸣, 柳云骐, 赵亮, 刘晨光. NiW/SAPO-11催化剂制备方法对柴油异构降凝性能的影响[J]. 燃料化学学报（中英文）, 2014, 42(12): 1500-1505.
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WEI Xiao-ming, LIU Yun-qi, ZHAO Liang, LIU Chen-guang. Effect of preparation on hydroisodewaxing performance for diesel fuel of NiW/SAPO-11 catalysts[J]. Journal of Fuel Chemistry and Technology, 2014, 42(12): 1500-1505.
Citation: WEI Xiao-ming, LIU Yun-qi, ZHAO Liang, LIU Chen-guang. Effect of preparation on hydroisodewaxing performance for diesel fuel of NiW/SAPO-11 catalysts[J]. Journal of Fuel Chemistry and Technology, 2014, 42(12): 1500-1505.
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NiW/SAPO-11催化剂制备方法对柴油异构降凝性能的影响

  • 中国石油大学(华东)化学工程学院 重质油国家实验室, 山东 青岛 266555

基金项目: 国家重点基础研究发展规划(973计划, 2010CB226905); 国家自然科学基金(21006128, U1162203)。
详细信息
    通讯作者:

    柳云骐, Tel: 0532-86981861, E-mail: Liuyq@upc.edu.cn。

  • 中图分类号: TE624.4

Effect of preparation on hydroisodewaxing performance for diesel fuel of NiW/SAPO-11 catalysts

  • State Key Laboratory of Heavy Oil Processing, Key Laboratory of CNPC Catalysis, China University of Petroleum, Qingdao 266555, China

    摘要
  • 摘要: 以SAPO-11分子筛作为酸性载体替代传统的ZSM-5分子筛,选用Ni/W双金属为活性组分制备异构降凝催化剂,采用XRD、BET、Py-IR等手段对催化剂进行表征。以长庆直馏柴油为原料,在10 mL高压固定床微型反应装置上进行了评价,考察了不同的催化剂制备方法对催化剂性能的影响,优选出较好的制备工艺。实验结果表明,先通过混捏法引入Ni金属组分再通过浸渍法引入W金属组分,所制得的催化剂异构降凝性能较好。在反应温度340 ℃、反应压力4.0 MPa、空速1.0 h-1、氢油体积比500:1的条件下,长庆直馏柴油的凝点由0 ℃降低至-28 ℃,产品中柴油收率达到96.0%。
    Abstract: Catalysts for hydroisodewaxing were prepared by SAPO-11 zeolite instead of ZSM-5 zeolite with nickel and tungsten as metal components. The catalysts were characterized by using XRD, BET and Py-IR. Using Changqing straight-run diesel oil as raw material, we evaluated the hydroisoderwaxing performance of the NiW/SAPO-11 catalysts prepared by different methods. The catalytic performance evaluation was performed on a pressurized fixed-bed microreactor. The result shows that the NiW/SAPO-11 catalyst prepared by mixing-kneading Ni first and then impregnating W active component has better hydroisodewaxing performance. At the reaction conditions of 340 ℃, 4.0 MPa, LHSV 1.0 h-1 and hydrogen to oil volume ratio of 500:1, the freezing point of the diesel oil was decreased from 0 ℃ to -28 ℃, and the diesel yield was as high as 96.0%.
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    • 参考文献(9)
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出版历程
  • 收稿日期:  2014-08-07
  • 修回日期:  2014-09-17
  • 刊出日期:  2014-12-30

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