2015
DOI: 10.1016/j.catcom.2015.08.015
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Ga2O3/HSSZ-13 for dehydrogenation of ethane: Effect of pore geometry of support

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Cited by 22 publications
(8 citation statements)
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“…Various types of Ga species, including those reduced (Ga + cations and isolated Ga hydrides) and those oxidized (Ga oxides, [GaO] + , and [Ga(OH) 2 ] + ), are possibly formed and proposed as active sites for the dehydrogenation of light alkanes, and several reaction mechanisms are proposed. 33–38 Alkane dehydrogenation on Ga oxides has been explored regardless of differences in structures and supports; 39–46 however, Ga-oxide-based catalysts often suffer from quick deactivation. Under reductive conditions without any oxidant, Ga hydrides are considered to be more active sites than Ga + cations.…”
Section: Introductionmentioning
confidence: 99%
“…Various types of Ga species, including those reduced (Ga + cations and isolated Ga hydrides) and those oxidized (Ga oxides, [GaO] + , and [Ga(OH) 2 ] + ), are possibly formed and proposed as active sites for the dehydrogenation of light alkanes, and several reaction mechanisms are proposed. 33–38 Alkane dehydrogenation on Ga oxides has been explored regardless of differences in structures and supports; 39–46 however, Ga-oxide-based catalysts often suffer from quick deactivation. Under reductive conditions without any oxidant, Ga hydrides are considered to be more active sites than Ga + cations.…”
Section: Introductionmentioning
confidence: 99%
“…Bell and co‐workers demonstrated that both [GaH] 2+ and [GaH 2 ] + cations could catalyze the ethane dehydrogenation at similar turnover frequencies, while the n ‐butane dehydrogenation was catalyzed exclusively by [GaH] 2+ cations. [ 146 ] Besides, the single‐site catalyst, zeolite‐supported GaO x [ 147 ] and MoO x , [ 134 ] VO x , [ 148 ] and CrO x [ 137 ] were also active for the dehydrogenation of ethane and butane.…”
Section: Dehydrogenation Reactionmentioning
confidence: 99%
“…An extensive literature review has been performed on ODHE-CO 2 , and the summary is given in Table . It can be observed from the table that several active metals such as Cr-based, Ga-based, ,, Ni-based, Au-based, , Fe-based, Co-based, Ce-based, and Mo-based catalysts and also mixed with promotors supported on various metal oxides such as SiO 2 , ZrO 2 , TiO 2 , MgO, Al 2 O 3 , etc., were tested for ODHE-CO 2 . Nakagawa et al were among the first to perform the ODHE-CO 2 using Ga-based and Cr-based catalysts and achieved the maximum ethylene yields ( Y C2H4 ) of 20 and 10%, respectively, in comparison to the 2–3% yield achieved without the catalyst at a temperature and molar ratio of CO 2 /C 2 H 6 and GHSV of 650 °C and 5 and 9000 L/kg cat ·h, respectively.…”
Section: Introductionmentioning
confidence: 99%