Steam reforming of dodecane and toluene over Ru/12SrO–7Al2O3 (S12A7) catalysts

Iida, Hiroki; Onuki, Naoto; Numa, Takashi; Igarashi, Akira

doi:10.1016/j.fuproc.2015.09.026

Cited by 31 publications

(5 citation statements)

References 27 publications

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“…However, in the 1% Rh-LaCoO 3 /Al 2 O 3 catalyst, the LaCoO 3 layer of the perovskite structure effectively protected Rh from poisoning reactions by sulfides. Iida's group [23,24] prepared Ru as a catalyst on 12SrO-7Al 2 O 3 support for the steam reforming of toluene and dodecyl. Ru precursor, catalyst calcination and pretreatment conditions will greatly affect the catalytic activity and stability of the catalyst.…”

Section: Synthetic Catalystsmentioning

confidence: 99%

Clean Process for Catalytically Converting Waste Nitrogen-Containing Organics to a Syngas

Jon,

Kang,

Yang

et al. 2021

Preprint

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Section: Synthetic Catalystsmentioning

confidence: 99%

Clean Process for Catalytically Converting Waste Nitrogen-Containing Organics to a Syngas

Jon,

Kang,

Yang

et al. 2021

Preprint

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“…Some studies also showed that Ni-based catalysts had the ability for the reversing ammonia reaction, thus it is also possible to reduce NO x emission during biomass gasification and tar reforming [43]. [80,81]. To reduce cost and improve reforming economics by using these noble metals, low loadings (for instance, <1 wt%) of them on some special materials were also found to have high catalytic performances at low temperatures, which can be considered as potential industrial catalysts for the tar steam reforming [82,83].…”

Section: Nickel-based Catalystsmentioning

confidence: 99%

Catalytic steam reforming of biomass tar: Prospects and challenges

Guan

Kaewpanha

Hao

et al. 2016

Renewable and Sustainable Energy Reviews

512

208

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Tar is unavoidable by-product during biomass gasification process. Catalytic steam reforming of tar to syngas is a promising way for the removal of tar from the gas products. However, the key issue for this way is catalyst development. To date, the developed catalysts always have advantages and disadvantages: nickel-based catalysts have high activity, but they are easily deactivated by coking; noble metal based catalysts have high catalytic activity, long-term stability and high carbon deposition resistance, but they are expensive; other transition metal catalysts such as Fe, Co and Cu exhibit a good performance, but they are also deactivated easily by carbon deposition in the case of high heavy-tar content in the tar; alkali metal catalysts also have high catalytic activity for tar reforming, but they are easy to be evaporated with the generated gases; natural catalysts have been widely applied for the steam reforming of tar due to its inexpensive, abundant and disposable, but their catalytic activities are lower than those man-made ones, and especially have low mechanical strength, making them not suitable to be used in fluidized bed reactor; zeolite is suggested to be a good catalyst support due to its high thermal/hydrothermal stability, high resistance to sulfur compounds, and easy to be regenerated; biomass char has been used as the catalyst or catalyst support in the steam reforming of tar due to its low cost and its natural production inside the biomass gasifier; even biomass ash now is considered to be a good catalyst for tar removal. In this review, to get better understanding of the mechanism of catalytic steam reforming of tar derived from biomass, tar formation, tar properties and catalytic reaction mechanism are also introduced, and prospects and challenges are summarized.

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“…The same authors 68 The steam reforming of toluene and dodecane over Ru-12SrO-7Al 2 O 3 was studied by Iida and co-workers. 70,71 It was exhibited a high catalytic activity and coking resistance compared to commercial Ru/Al 2 O 3 catalyst, despite low Ru loading and dispersion. Ammendola et al 72 evaluated the effect of H 2 S addition on the catalytic activity of Rh-LaCoO 3 -Al 2 O 3 for biomass-derived tar conversion to syngas.…”

Section: Industrial and Engineering Chemistry Researchmentioning

confidence: 99%

Catalytic Cracking of Biomass-Derived Hydrocarbon Tars or Model Compounds To Form Biobased Benzene, Toluene, and Xylene Isomer Mixtures

Kostyniuk

Grilc

Likozar

2019

Ind. Eng. Chem. Res.

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The gasification of biomass is one of the most prominent technologies for the conversion of the raw material feedstock to polymers, useful chemical substances, and energy. The main engineering challenge during the processing of wastes is the presence of tars in gaseous reaction products, which could make this operation methodology unsuccessfully due to the blockage of separating particle filters, fuel line flow, and substantial transfer losses. Catalytic hydrocarbon cracking appears to be a promising developing approach for their optimal removal. However, it is still highly desirable to enhance the catalysts’ activity kinetics, selectivity, stability, resistance to (ir)reversible coke deposition, and regeneration solutions. The purpose of this Review is to provide a comparative systematic evaluation of the various natural, synthetic, and hybrid ways to convert the model molecular compounds into benzene, toluene, xylene, (poly)aromatics, syngas, and others. The recent scientific progress, including calcite, dolomite, lime, magnesite, olivine, char, nonmetallic activated carbons, supported alkali, noble, and transition metals, and (metal-promoted) zeolites, is presented. A special concentrated attention is paid to effectiveness, related to hydrogenation, peculiar pore structure, and formulations’ suitable acidity. The role of catalysis is described, recommendations for prospective catalyzed mechanisms are provided, and future technical feasibility is discussed as well.

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Steam reforming of dodecane and toluene over Ru/12SrO–7Al2O3 (S12A7) catalysts

Cited by 31 publications

References 27 publications

Clean Process for Catalytically Converting Waste Nitrogen-Containing Organics to a Syngas

Clean Process for Catalytically Converting Waste Nitrogen-Containing Organics to a Syngas

Catalytic steam reforming of biomass tar: Prospects and challenges

Catalytic Cracking of Biomass-Derived Hydrocarbon Tars or Model Compounds To Form Biobased Benzene, Toluene, and Xylene Isomer Mixtures

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