Promising Utilization of CO2 for Syngas Production over Mg2+- and Ce2+-Promoted Ni/γ-Al2O3 Assisted by Nonthermal Plasma

Ray, Debjyoti; Chawdhury, Piu; Subrahmanyam, Ch.

doi:10.1021/acsomega.0c01442

Cited by 15 publications

(3 citation statements)

References 49 publications

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“…Similarly, rare earth metals such as La and Ce can act as doping agents to enhance the catalytic performance of Ni-based catalysts in DBD reactor for DRM [54,71]. Ce has been widely applied to improve the stability of DRM catalysts by inhibiting carbon formation and participating in the gasification of carbon deposits that have already formed [70,[78][79][80]. For example, Ni-Ce/Al 2 O 3 catalyst can effectively enhance the reactivity with the combination of plasma [70].…”

Section: Rare Earth Metalsmentioning

confidence: 99%

Recent Developments in Dielectric Barrier Discharge Plasma-Assisted Catalytic Dry Reforming of Methane over Ni-Based Catalysts

Gao

Lin

et al. 2021

Catalysts

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The greenhouse effect is leading to global warming and destruction of the ecological environment. The conversion of carbon dioxide and methane greenhouse gases into valuable substances has attracted scientists’ attentions. Dry reforming of methane (DRM) alleviates environmental problems and converts CO2 and CH4 into valuable chemical substances; however, due to the high energy input to break the strong chemical bonds in CO2 and CH4, non-thermal plasma (NTP) catalyzed DRM has been promising in activating CO2 at ambient conditions, thus greatly lowering the energy input; moreover, the synergistic effect of the catalyst and plasma improves the reaction efficiency. In this review, the recent developments of catalytic DRM in a dielectric barrier discharge (DBD) plasma reactor on Ni-based catalysts are summarized, including the concept, characteristics, generation, and types of NTP used for catalytic DRM and corresponding mechanisms, the synergy and performance of Ni-based catalysts with DBD plasma, the design of DBD reactor and process parameter optimization, and finally current challenges and future prospects are provided.

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Section: Rare Earth Metalsmentioning

confidence: 99%

Recent Developments in Dielectric Barrier Discharge Plasma-Assisted Catalytic Dry Reforming of Methane over Ni-Based Catalysts

Gao

Lin

et al. 2021

Catalysts

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“…Similarly, Chen et al [105] developed Lapromoted Ni/Na-BETA zeolite catalysts for CO 2 hydrogenation, which showed improved CO 2 conversion (in comparison with the Ni/Na-BETA zeolite catalyst) under NTP conditions. Ray et al [125] compared the performance of the MgO-and CeO 2 -promoted Ni/γ-Al 2 O 3 catalysts for NTP-assisted DRM.…”

Section: 34mentioning

confidence: 99%

Non-thermal plasma catalysis for CO₂ conversion and catalyst design for the process

Chen

Hardacre

et al. 2021

J. Phys. D: Appl. Phys.

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Catalytic conversion of CO2 to renewable chemicals and fuels is a promising approach to mitigate issues associated with climate change and energy supply deficiency. Hybrid non-thermal plasma (NTP) and catalysis systems, that is, NTP catalysis systems, enable the activation of stable CO2 molecules under relatively mild conditions in comparison with conventional thermal catalysis, and are promising for the energy-efficient conversion of CO2. This review presents the state-of-the-art development of NTP catalysis of CO2 conversion, including CO2 splitting and CO2 hydrogenation and reforming, with the focus on mechanistic insights developed forcatalytic CO2 conversion. Additionally, the role of intrinsic catalyst composition and structure in determining the selectivity of CO2 conversion under NTP conditions is also discussed in light of the need for rational design of catalysts for NTP catalysis. Finally, a perspective on future challenges and opportunities in the development of next-generation catalysts for NTP catalysis and the advanced hybrid NTP catalysis process for practical industrial applications are discussed.

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“…Many non-thermal plasma technologies have been used for this process, but to-date, the majority of researches has been carried out using the dielectric barrier discharge (DBD) reactor [2]. In particular, it will lead to better conversion and energy efficiency when a DBD reactor works with packing materials (which is called packedbed reactor) for DRM [3][4][5][6][7], hydrogenation of CO 2 [8,9], CO 2 decomposion [10][11][12], contaminant removal [13][14][15] and so on. Most of these results show that the packing material enhances electron density, mean electron energy, as well as conversion and energy efficiency, although the residence time is shortened…”

Section: Introductionmentioning

confidence: 99%

Charge transfer in plasma assisted dry reforming of methane using a nanosecond pulsed packed-bed reactor discharge

Zhang

Gao

Sun

et al. 2021

Plasma Sci. Technol.

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This paper is aimed to investigate the effect of packing material on plasma characteristic from the viewpoint of charge transfer process. Both the charge accumulation and release processes in the dielectric barrier discharge reactor and packed-bed reactor were investigated by measuring voltage and current waveforms and taking ICCD images. The packing material was ZrO2 pellets and the reactors were driven by a parameterized nanosecond pulse source. The quantity of transferred charges in the dielectric barrier discharge reactor was enhanced when decreasing pulse rise time or increasing pulse width (within 150 ns), but reduced when the gas gap was packed with pellets. The quantity of accumulated charges in the primary discharge was larger than the quantity of released charges in the secondary discharges in the dielectric barrier discharge reactor, but they were almost equal in the packed-bed reactor. It indicates that the discharge behavior has been changed from the view of charge transfer process once the gas gap was packed with pellets, and the ICCD images confirmed it.

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Promising Utilization of CO₂ for Syngas Production over Mg²⁺- and Ce²⁺-Promoted Ni/γ-Al₂O₃ Assisted by Nonthermal Plasma

Cited by 15 publications

References 49 publications

Recent Developments in Dielectric Barrier Discharge Plasma-Assisted Catalytic Dry Reforming of Methane over Ni-Based Catalysts

Recent Developments in Dielectric Barrier Discharge Plasma-Assisted Catalytic Dry Reforming of Methane over Ni-Based Catalysts

Non-thermal plasma catalysis for CO₂ conversion and catalyst design for the process

Charge transfer in plasma assisted dry reforming of methane using a nanosecond pulsed packed-bed reactor discharge

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Promising Utilization of CO2 for Syngas Production over Mg2+- and Ce2+-Promoted Ni/γ-Al2O3 Assisted by Nonthermal Plasma

Cited by 15 publications

References 49 publications

Recent Developments in Dielectric Barrier Discharge Plasma-Assisted Catalytic Dry Reforming of Methane over Ni-Based Catalysts

Recent Developments in Dielectric Barrier Discharge Plasma-Assisted Catalytic Dry Reforming of Methane over Ni-Based Catalysts

Non-thermal plasma catalysis for CO2 conversion and catalyst design for the process

Charge transfer in plasma assisted dry reforming of methane using a nanosecond pulsed packed-bed reactor discharge

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Resources

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Promising Utilization of CO₂ for Syngas Production over Mg²⁺- and Ce²⁺-Promoted Ni/γ-Al₂O₃ Assisted by Nonthermal Plasma

Non-thermal plasma catalysis for CO₂ conversion and catalyst design for the process