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制备方法及载体类型对Ni2P/TiO2催化剂加氢脱硫性能的影响

宋华,  徐晓伟,  代敏,  宋华林

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文章导航 > 燃料化学学报（中英文）  > 2014 >  42(11): 1400-1408
宋华, 徐晓伟, 代敏, 宋华林. 制备方法及载体类型对Ni2P/TiO2催化剂加氢脱硫性能的影响[J]. 燃料化学学报（中英文）, 2014, 42(11): 1400-1408.
引用本文: 宋华, 徐晓伟, 代敏, 宋华林. 制备方法及载体类型对Ni2P/TiO2催化剂加氢脱硫性能的影响[J]. 燃料化学学报（中英文）, 2014, 42(11): 1400-1408.
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SONG Hua, XU Xiao-wei, DAI Min, SONG Hua-lin. Effect of preparation method and support type on hydrodesulfurization performance of Ni2P/TiO2 catalyst[J]. Journal of Fuel Chemistry and Technology, 2014, 42(11): 1400-1408.
Citation: SONG Hua, XU Xiao-wei, DAI Min, SONG Hua-lin. Effect of preparation method and support type on hydrodesulfurization performance of Ni2P/TiO2 catalyst[J]. Journal of Fuel Chemistry and Technology, 2014, 42(11): 1400-1408.
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制备方法及载体类型对Ni2P/TiO2催化剂加氢脱硫性能的影响

  • 1.

    东北石油大学化学化工学院 石油与天然气化工省重点实验室, 黑龙江 大庆 163318;

  • 2.

    中国石油集团工程设计有限责任公司 新疆石油勘察设计研究院(有限公司), 新疆 克拉玛依 834000;

  • 3.

    牡丹江医学院黑龙江省高校肿瘤疾病防治重点实验室, 黑龙江 牡丹江 157011

基金项目: 国家自然科学基金(21276048); 黑龙江省自然科学基金(ZD201201); 黑龙江省教育厅项目(12541060).
详细信息
    通讯作者:

    宋华林, Tel: 0453-6984321, E-mail: songhualin401@126.com; 宋华(1963-), 女, 黑龙江延寿人, 教授, 主要从事催化剂方面的研究, E-mail:songhua2004@sina.com

  • 中图分类号: O643

Effect of preparation method and support type on hydrodesulfurization performance of Ni2P/TiO2 catalyst

  • 1.

    College of Chemistry & Chemical Engineering, Provincial Key Laboratory of Oil & Gas Chemical Technology, Northeast Petroleum University, Daqing 163318, China;

  • 2.

    China Petroleum Engineering Co. Ltd., Xinjiang Petroleum Prospecting and Design Research Institute (Co., Ltd.), Karamay 834000, China;

  • 3.

    Key Laboratory of Cancer Prevention and Treatment of Heilongjiang Province, Mudanjiang Medical University, Mudanjiang 157011, China

    摘要
  • 摘要: 以两种类型的TiO2(锐钛矿anatase、晶须载体whiskers)为载体,分别采用程序升温还原(H2-TPR)法和溶剂热法制备Ni2P/TiO2催化剂,并用X射线衍射(XRD)、N2吸附比表面积(BET)测定、N2等温吸附脱附、CO吸附表征、X射线光电子能谱(XPS)技术、扫描电镜(SEM)对催化剂的结构和性质进行了表征.考察了不同的制备方法及不同类型TiO2载体对Ni2P/TiO2催化剂二苯并噻吩(DBT)加氢脱硫(HDS)性能的影响.结果表明,溶剂热法制备催化剂过程中,保持了TiO2晶体结构,抑制了TiPO4的形成,HDS活性高于H2-TPR法制备的催化剂;与锐钛矿TiO2为载体的催化剂相比,以晶须TiO2为载体的催化剂具有更优良的表面性质,能生成较多晶体颗粒粒径较小、分散性好的Ni2P活性相,具有更高的HDS活性.以晶须TiO2为载体,采用溶剂热法制备的Ni2P/TiO2催化剂,具有最好的加氢脱硫活性,在340 ℃、3.0 MPa、氢油体积比为500、质量空速(WHSV)2.0 h-1的条件下,二苯并噻吩转化率达到为98.2%.
    Abstract: Nickel phosphide catalysts, supported on whiskers and anatase TiO2, were prepared by temperature programmed reduction method and solvothermal method, respectively. The catalysts were characterized by X-ray diffraction (XRD), N2-adsorption specific surface area measurements (BET), N2 adsorption-desorption,CO adsorption, X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (TEM). The effects of preparation method and support type on catalyst activity for dibenzothiophene (DBT) hydrodesulfurization (HDS) were studied. The result showed that the structures of the TiO2 support remained unchanged, and the formation of TiPO4 was suppressed in solvothermal method process, contributing to higher catalytic activity of Ni2P/TiO2 catalysts for HDS than the catalysts obtained by conventional TPR method. Compared with the catalysts supported on anatase TiO2, the catalysts supported on whiskers TiO2 displayed excellent surface properties, producing more Ni2P crystal particles with smaller size and better dispersion, and therefore possessed higher HDS activity. The HDS activity of the catalyst supported on whiskers TiO2 and made by solvothermal method was found to be the best one among the tested catalysts. The conversion of dibenzothiophene HDS was 98.2% under the selected reaction conditions of 340 ℃, 3.0 MPa, H2/oil ratio of 500 (volume ratio), and WHSV of 2.0 h-1.
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  • 收稿日期:  2014-05-26
  • 修回日期:  2014-07-16
  • 刊出日期:  2014-11-30

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