Hydrodesulfurization of refractory sulfur species. 1. Selective hydrodesulfurization of 4,6-dimethyldibenzothiophene in the major presence of naphthalene over CoMo/Al2O3 and Ru/Al2O3 blend catalysts

Takaaki Isoda, Shinichi Nagao, Xiaoliang Ma, Yozo Korai, Isao Mochida

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

The selective hydrodesulfurization (HDS) reaction of 4,6-dimethyldibenzothiophene (4,6-DMDBT) in decane containing a dominant amount of naphthalene was examined over blends of CoMo/Al2O3 and Ru/Al2O3, and their activity was compared to those of CoMo, NiMo, and Ru/ Al2O3 in their single use. The blend exhibited an excellent activity for HDS of 4,6-DMDBT through its selective hydrogenation without excess hydrogenation of the aromatic partner. NiMo/Al2O3 and CoMo/Al2O3 examined in the present study were inferior to the blend for the HDS of 4,6-DMDBT, because the hydrogenation activity of the first catalyst is toward the aromatic partner while the second catalyst is inferior in the hydrogenation activity for 4,6-DMDBT.

Original languageEnglish
Pages (from-to)482-486
Number of pages5
JournalEnergy and Fuels
Volume10
Issue number2
Publication statusPublished - Mar 1 1996

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Hydrodesulfurization
Naphthalene
Sulfur
Refractory materials
Hydrogenation
Catalysts
naphthalene
4,6-dimethyldibenzothiophene

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology

Cite this

Hydrodesulfurization of refractory sulfur species. 1. Selective hydrodesulfurization of 4,6-dimethyldibenzothiophene in the major presence of naphthalene over CoMo/Al2O3 and Ru/Al2O3 blend catalysts. / Isoda, Takaaki; Nagao, Shinichi; Ma, Xiaoliang; Korai, Yozo; Mochida, Isao.

In: Energy and Fuels, Vol. 10, No. 2, 01.03.1996, p. 482-486.

Research output: Contribution to journalArticle

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abstract = "The selective hydrodesulfurization (HDS) reaction of 4,6-dimethyldibenzothiophene (4,6-DMDBT) in decane containing a dominant amount of naphthalene was examined over blends of CoMo/Al2O3 and Ru/Al2O3, and their activity was compared to those of CoMo, NiMo, and Ru/ Al2O3 in their single use. The blend exhibited an excellent activity for HDS of 4,6-DMDBT through its selective hydrogenation without excess hydrogenation of the aromatic partner. NiMo/Al2O3 and CoMo/Al2O3 examined in the present study were inferior to the blend for the HDS of 4,6-DMDBT, because the hydrogenation activity of the first catalyst is toward the aromatic partner while the second catalyst is inferior in the hydrogenation activity for 4,6-DMDBT.",
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