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Studies of deactivation mechanism for the commercial Ni–Mo–P/Al2O3 catalysts in naphtha hydrogenation and hydrodesulfurization

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Abstract

The feedstock of naphtha hydrogenation apparatus, anti-scorching agent of the visbreaking unit and antifoam agent of the coking apparatus have been underway the analysis, and hydrogenation technology was studied in laboratory. According to the lab research and the analytic test results of catalysts that unloaded from commercial plant, we know that little organosilicon in the stock oil became free silicon under hydrogenation condition, and deposited on the reaction pore passage of the hydrogenation catalysts, causing perpetual deactivation of the hydrogenation catalysts.

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Authors and Affiliations

  1. Research Institute of SINOPEC Qilu Branch, Zibo, 255400, China

    Jian-Wen Da, Jing Yan & Ai-Hua Liu

  2. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Dongying, 257061, China

    De-Zhi Han & Ling Qian

Authors
  1. Jian-Wen Da
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  2. De-Zhi Han
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  3. Ling Qian
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  4. Jing Yan
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  5. Ai-Hua Liu
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Correspondence to Jian-Wen Da.

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Da, JW., Han, DZ., Qian, L. et al. Studies of deactivation mechanism for the commercial Ni–Mo–P/Al2O3 catalysts in naphtha hydrogenation and hydrodesulfurization. J Porous Mater 15, 199–204 (2008). https://doi.org/10.1007/s10934-007-9123-5

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  • DOI: https://doi.org/10.1007/s10934-007-9123-5

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