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Research on Chemical Intermediates

, Volume 41, Issue 12, pp 9451–9461 | Cite as

Improvement in hydrocracking activity of heavy oil upgrading catalyst by modifications to some specific properties of Y-zeolite

  • Kazuhiro Inamura
  • Narinobu Kagami
  • Toshiyuki Shirakawa
  • Shinya Eura
  • Mitsunori Watabe
Article
  • 156 Downloads

Abstract

We have been developing zeolite catalysts for fixed-bed resid hydrodesulfurization (HDS) units. The catalysts, named R-HYC, show high resid hydrocracking (HYC) activity by increasing middle distillates and concurrently decreasing bottom fuel oil. To meet refinery demands for lower catalyst cost and improved HYC activity, the newest R-HYC has been developed as R-HYC12, showing more than twofold improved HYC activity compared with the previous R-HYC10, by means of modifications to some specific properties of Y-zeolite. A new sequence combining the developed R-HYC12 with the other, hydrodemetallization (HDM) and HDS catalysts has been proposed to achieve the best resid HDS unit performance.

Keywords

Heavy oil upgrading Hydrocracking (HYC) HDS Zeolite Modifications 

Notes

Acknowledgments

This work was supported by the Japan Petroleum Energy Center (JPEC) under a subsidy of the Japanese Ministry of Economy, Trade, and Industry (METI).

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Copyright information

© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  • Kazuhiro Inamura
    • 1
    • 5
  • Narinobu Kagami
    • 2
  • Toshiyuki Shirakawa
    • 3
  • Shinya Eura
    • 4
  • Mitsunori Watabe
    • 4
  1. 1.Manufacturing and Technology DepartmentIdemitsu Kosan Co., Ltd.SodegauraJapan
  2. 2.Technology and Engineering CenterIdemitsu Kosan Co., Ltd.SodegauraJapan
  3. 3.Advanced Technology Research LaboratoriesIdemitsu Kosan Co., Ltd.SodegauraJapan
  4. 4.Kitakyushu Operation CenterJGC Catalysts and Chemicals Ltd.KitakyushuJapan
  5. 5.Takreer Research CentreAbu Dhabi Oil Refining Company (TAKREER)Abu DhabiUnited Arab Emirates

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