Catalytic performance of mesoporous silica SBA-15-supported noble metals for thiophene hydrodesulfurization

Sugioka, Masatoshi; Aizawa, T.; Kanda, Yasuharu; Kurosaka, Tadahiro; Uemichi, Yoshio; Namba, Seitarô

doi:10.1016/s0167-2991(02)80096-9

Cited by 8 publications

(14 citation statements)

References 9 publications

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“…The catalytic performance of noble metals supported on SBA-15 and Al-SBA-15 in the HDS of thiophene was also reported [38,39]. Al-SBA-15 substrates were prepared by a grafting method using aluminum isopropoxide (Al(OC 3 H 7 ) 3 ) hexane solution.…”

Section: Influence Of Supportmentioning

confidence: 99%

“…During the last two decades, various mesoporous structures have been synthesized, which can be roughly classified into three categories based on the pore types: nearly spherical cage, cylindrical channel and bi-continuous channel [19]. Among different ordered mesoporous silicas, SBA-type silicas are the most frequently studied [13,14,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,…”

Section: Introductionmentioning

confidence: 99%

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SBA-15 Mesoporous Silica as Catalytic Support for Hydrodesulfurization Catalysts—Review

et al. 2013

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SBA-15 is an interesting mesoporous silica material having highly ordered nanopores and a large surface area, which is widely employed as catalyst supports, absorbents, drug delivery materials, etc. Since it has a lack of functionality, heteroatoms and organic functional groups have been incorporated by direct or post-synthesis methods in order to modify their functionality. The aim of this article is to review the state-of-the-art related to the use of SBA-15-based mesoporous systems as supports for hydrodesulfurization (HDS) catalysts.

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Section: Influence Of Supportmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

SBA-15 Mesoporous Silica as Catalytic Support for Hydrodesulfurization Catalysts—Review

et al. 2013

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“…Some attempts have been made to develop new HDS catalysts based on mesoporous silicates 16), 17) . We previously reported 18) 22) that noble metals, especially platinum, supported on mesoporous silicates such as FSM-16 18) , MCM-41 19) , SBA-15 20) and alumina-modified MCM-41 (Al2O3 _ MCM-41) 22) showed high and stable activity for the HDS of thiophene, and noble metals supported on mesoporous silicates have high potential as new HDS catalysts for petroleum feedstocks. However, mesoporous silicates are not easy to produce on the industrial scale as the support for noble metal HDS catalysts.…”

Section: ) 15)mentioning

confidence: 99%

Catalytic Performance of Noble Metals Supported on Alumina-modified Silica Gel for Hydrodesulfurization Reaction

Kanda¹,

Kobayashi²,

Uemichi³

et al. 2006

J. Jpn. Petrol. Inst.

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“…Previously, we reported that noble nitrogen oxides (NOx) and particulate matter (PM) from metals, especially platinum, supported on mesoporous diesel engines exceed those from gasoline engines. silicates, such as FSM-16 16) , MCM-41 17)～19) and Since the aromatic compounds in diesel fuel are impor-SBA-15 20), 21) , showed high activities in the HDS of thiophene (TP). However, diesel fuel contains benzo ＊ To whom correspondence should be addressed.…”

Section: Introductionmentioning

confidence: 99%

Catalytic Performance of Noble Metals Supported on Mesoporous Silica MCM-41 for Hydrodesulfurization of Benzothiophene

Kanda

Seino

Kobayashi

et al. 2009

J. Jpn. Petrol. Inst.

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The catalytic performances of noble metals (Pt, Rh, Pd, Ru) supported on mesoporous silica MCM-41 were investigated for the hydrodesulfurization (HDS) of benzothiophene (BT). The order of HDS activities of noble metal/MCM-41 catalysts was Pt＞Rh＞Pd≫Ru. Pt/MCM-41 catalyst showed high HDS activity, which was higher than that of commercial CoMo/Al2O3 catalyst. The supported noble metal catalysts were characterized by TEM, XRD, hydrogen adsorption and benzene hydrogenation. The order of dispersion of noble metal on MCM-41 was Rh＞Pt＞Pd＞Ru, which was not the same as that of HDS activities. On the other hand, the order of the activities of noble metal/MCM-41 catalysts for benzene hydrogenation was Pt＞Rh＞Pd＞Ru. The hydrogenation activity of Pt/MCM-41 catalyst was regenerated after H2S treatment, but the activities of other cat alysts were not regenerated. Thus, high hydrogenation activity and sulfur tolerance are important factors to pre pare highly active noble metal/MCM-41 catalysts. Pt/MCM-41 catalyst showed remarkably high and stable ac tivity for the HDS of BT, but Pt/SiO2 catalyst, with similar Pt dispersion on MCM-41, showed low activity which decreased with time on stream. Since MCM-41 showed higher acidity than SiO2, hydrogenation activity and sul fur tolerance of Pt/MCM-41 catalyst were higher than those of Pt/SiO2 catalyst. The results of FT-IR analysis indicated that the strength of interaction between BT and MCM-41 was stronger than that of SiO2, suggesting that both acid sites of MCM-41 and Pt particles in the Pt/MCM-41 catalyst act as active sites for the HDS of BT. Furthermore, FT-IR spectra of BT adsorbed on Pt/MCM-41 revealed that BT interacts with the silanol group on the MCM-41 surface rather than the Pt surface. Therefore, we concluded that the high HDS activity of Pt/ MCM-41 catalyst could be attributed to the high hydrogenation activity of Pt and the acidity of the support.

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Catalytic performance of mesoporous silica SBA-15-supported noble metals for thiophene hydrodesulfurization

Cited by 8 publications

References 9 publications

SBA-15 Mesoporous Silica as Catalytic Support for Hydrodesulfurization Catalysts—Review

SBA-15 Mesoporous Silica as Catalytic Support for Hydrodesulfurization Catalysts—Review

Catalytic Performance of Noble Metals Supported on Alumina-modified Silica Gel for Hydrodesulfurization Reaction

Catalytic Performance of Noble Metals Supported on Mesoporous Silica MCM-41 for Hydrodesulfurization of Benzothiophene

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