Bimetallic Zeolite Catalyst for CO2 Reforming of Methane

Frontera, Patrizia; Aloise, A.; Macario, Anastasia; Antonucci, P.L.; Crea, F.; Giordano, G.; Nagy, J.B.

doi:10.1007/s11244-009-9409-8

Cited by 35 publications

(26 citation statements)

References 27 publications

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“…Recently, the activity of different zeolite-supported Ni catalysts for methane reforming with carbon dioxide has been investigated [10,11]. Among these, MFI-and USY-type zeolites greatly improve both the activity and the selectivity of the reaction because of their suitable properties as supports for catalysts in reforming reactions, such as their microporous structure, high surface area and high affinity for CO 2 adsorption [12,13].…”

Section: Introductionmentioning

confidence: 99%

Zeolite-supported Ni catalyst for methane reforming with carbon dioxide

et al. 2011

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In the present work, we compare the catalytic behaviour, in the dry reforming of methane, of Ni-based Silicalite-1 type catalyst obtained by different postsynthesis treatments. The Silicalite-1 type material, used as Ni-support, has been treated in order to observe the role of the silanol groups on the Ni impregnation, and then on the overall catalyst performance. Among the applied treatments (ionic-exchange, calcinations and silylation), the silylation is the one that allows the formation of smaller and more reducible Ni-oxide species that not only improve the methane conversion but also reduce the deactivation of the catalyst, due to the coke deposition.

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Section: Introductionmentioning

confidence: 99%

Zeolite-supported Ni catalyst for methane reforming with carbon dioxide

et al. 2011

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“…For example, the pore of molecular sieve SBA-15 is normally positive charged, but by using plasma treatment the pores can be made negative. [55,56,82] In 1996, Chang et al [119] reported high activity for a ZSM-5 supported Ni catalyst with high coke resistance for CO 2 reforming. [115] This will lead to a convenient preparation of molecular sieve supported Ni catalysts for CO 2 reforming.…”

Section: Preparation Methods Effectsmentioning

confidence: 99%

“…Nowosielska et al [54] compared Al 2 O 3 and SiO 2 -supported Ni and Ni-Rh catalysts. The recent work on molecular-sieve-supported Ni-Rh catalysts [55,56] suggested again that the support has a significant effect. They confirmed the support effect reported by Wang and Ruckenstein.…”

Section: Promotersmentioning

confidence: 99%

“…They found that the activity and coke resistance of Ni-Rh catalysts are much higher than Ni catalysts. Frontera et al [55] employed the zeolite BEA to support Ni-Rh bimet-allic catalysts for CO 2 reforming. [53] They indicated Ni-Rh/Al 2 O 3 is better than Ni-Rh/SiO 2 for activity and stability, which can be explained by an effective formation of Ni-Rh alloy on the Al 2 O 3 support.…”

Section: Promotersmentioning

confidence: 99%

“…The Ni-Rh catalyst prepared with RhCl 3 shows better coke resistance compared to the catalyst prepared with Rh(NO 3 ) 3 . The recent work on molecular-sieve-supported Ni-Rh catalysts [55,56] suggested again that the support has a significant effect. Frontera et al [55] employed the zeolite BEA to support Ni-Rh bimet-allic catalysts for CO 2 reforming.…”

Section: Noble Metalsmentioning

confidence: 99%

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Progresses in the Preparation of Coke Resistant Ni‐based Catalyst for Steam and CO₂ Reforming of Methane

et al. 2011

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Steam reforming of methane is an extremely important process for the hydrogen and syngas production. Nickel‐based catalysts have been extensively employed in the industrial process of steam reforming because of their high activity, low cost, and the plentiful supply of Nickel. Nickel‐based catalysts have also shown high activity for CO2 reforming of methane, which has been considered as a good option, with consumption of a significant amount of carbon dioxide. However, a major challenge is that Ni catalysts have a high thermodynamic potential for coke formation during reforming reactions. For steam reforming, coke formation induces deactivation of the catalyst, especially if the carbon forms as carbon filaments. The filamentous carbon material has a high mechanical strength and can cause mechanical deformation of the catalyst. For CO2 reforming, coke formation over Ni catalyst is even more serious and leads to rapid deactivation of the catalyst. It is highly desired to design and synthesize a coke resistant Ni catalyst not only for reforming of methane, but also for reforming of other hydrocarbons (including biomass derived hydrocarbons). Herein we summarize the very recent progresses in the design, synthesis, and characterization of coke resistant Ni catalysts for steam and CO2 reforming of methane. The progresses in the use of promoters, in the effect of supporting materials and in the preparation methods have been discussed. The thermal stability, regeneration, and future development of coke resistant Ni catalysts for these processes are also briefly addressed.

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The Potential Applications of Nanoporous Materials for the Adsorption, Separation, and Catalytic Conversion of Carbon Dioxide

Sneddon

Greenaway

Yiu

2014

Advanced Energy Materials

176

104

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Carbon capture and storage (CCS) technologies aiming at tackling CO2 emission have attracted much attention from scientists of various backgrounds. Most CCS systems require an efficient adsorbent to remove CO2 from sources such as fossil fuels (pre‐combustion) or flue gas from power generation (post‐combustion). Research on developing efficient adsorbents with a substantial capacity, good stability and recyclability has grown rapidly in the past decade. Because of their high surface area, highly porous structure, and high stability, various nanoporous materials have been viewed as good candidates for this challenging task. Here, recent developments in several classes of nanoporous materials, such as zeolites, metal organic frameworks (MOFs), mesoporous silicas, carbon nanotubes, and organic cage frameworks, for CCS are examined and potential future directions for CCS technology are discussed. The main criteria for a sustainable CO2 adsorbent for industrial use are also rationalized. Moreover, catalytic transformations of CO2 to other chemical species using nanoporous catalysts and their potential for large scale carbon capture and utilization (CCU) processes are also discussed. Application of CCU technologies avoids any potential hazard associated with CO2 reservoirs and allows possible recovery of some running cost for CO2 capture by manufacturing valuable chemicals.

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Bimetallic Zeolite Catalyst for CO2 Reforming of Methane

Cited by 35 publications

References 27 publications

Zeolite-supported Ni catalyst for methane reforming with carbon dioxide

Zeolite-supported Ni catalyst for methane reforming with carbon dioxide

Progresses in the Preparation of Coke Resistant Ni‐based Catalyst for Steam and CO₂ Reforming of Methane

The Potential Applications of Nanoporous Materials for the Adsorption, Separation, and Catalytic Conversion of Carbon Dioxide

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Bimetallic Zeolite Catalyst for CO2 Reforming of Methane

Cited by 35 publications

References 27 publications

Zeolite-supported Ni catalyst for methane reforming with carbon dioxide

Zeolite-supported Ni catalyst for methane reforming with carbon dioxide

Progresses in the Preparation of Coke Resistant Ni‐based Catalyst for Steam and CO2 Reforming of Methane

The Potential Applications of Nanoporous Materials for the Adsorption, Separation, and Catalytic Conversion of Carbon Dioxide

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Progresses in the Preparation of Coke Resistant Ni‐based Catalyst for Steam and CO₂ Reforming of Methane