担持ルテニウム系水素化脱硫触媒の活性に対する前処理効果

神田 康晴; 中村 琢; 小林 隆夫; 上道 芳夫; 杉岡 正敏

doi:10.11523/sekiyu.2009.0.34.0

58th R&D Symposium of the Japan Petroleum Institute

Session ID : B09

DOI https://doi.org/10.11523/sekiyu.2009.0.34.0

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Host: The Japan Petroleum Institute

[Award Lecture-The Japan Petroleum Institute Award for Encouragement of Research and Development]

Effect of pretreatment on activities of supported ruthenium hydrodesulfurization catalysts

*Yasuharu Kanda, Taku Nakamura, Takao Kobayashi, Yoshio Uemichi, Masatoshi Sugioka

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Abstract

Activities of supported Ru catalysts for hydrodesulfurization (HDS) were examined. The HDS activities of supported Ru catalysts were remarkably changed by various pretreatments. Especially, 5%Ru/Al₂O₃ treated by calcination at 200 ºC followed by sulfidation or temperature programmed sulfidation (TPS) using 3% H₂S-N₂ showed high activity for HDS of thiophene. Furthermore, HDS activity of 5%Ru/SiO₂ catalyst (calcined at 200 ºC) treated by TPS using 3% H₂S-N₂ was higher than those of 5%Ru/Al₂O₃ and CoMo/Al₂O₃ catalysts.

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