Influence of water in catalyst deactivation and lifetime of methane Bi-Reforming reaction over Ni-Co-Ru tri-metallic catalyst system

Panda, Satyajit; Gazi, Md Jahiruddin; Bal, Rajaram; Bordoloi, Ankur

doi:10.1016/j.cherd.2023.08.009

Chemical Engineering Research and Design

2023

DOI: 10.1016/j.cherd.2023.08.009

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Influence of water in catalyst deactivation and lifetime of methane Bi-Reforming reaction over Ni-Co-Ru tri-metallic catalyst system

Satyajit Panda

Md Jahiruddin Gazi

Rajaram Bal

et al.

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2024

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Cited by 2 publications

References 36 publications

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Moisture‐Resistant Nanofiber Membrane Loaded with Copper‐Manganese‐Tin Oxides for Dust and CO Filtration in High Humidity Environments

Zhou,

Chen,

Xin

et al. 2024

Adv Funct Materials

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This study presents a novel protective membrane, (0.8MnCuSnOx‐NaCl)@M, designed for high‐efficiency filtration of dust particles and carbon monoxide (CO) gas offers superior moisture resistance, air permeability, and catalytic functionality in high‐humidity underground settings. The membrane, incorporating tin oxide‐doped CuMnOx into polyvinylidene fluoride (PVDF) fibers with sodium chloride (NaCl), achieves 99.99% air filtration efficiency, 323.68 mm s−1 air permeability, and 92.5% CO catalytic filtration efficiency. Concurrently, the membrane exhibited exceptional hydrophobicity, characterized by a substantial water contact angle of 116.7°, negligible water staining, and a high hydrostatic pressure rating of 2035 Pa, suitable for humid environments. Furthermore, the water absorption profile of the membrane featured a diminished hydroxyl vibrational band, accompanied by a sustained CO conversion efficiency, attesting to its resistance to moisture‐induced deterioration. Computational fluid dynamics (CFD) simulations further clarify the membrane's filtration mechanism, indicating its potential for selective CO and particle filtration. This study provides a reliable idea for the development of moisture‐resistant fiber membranes with high efficiency for filtration of dust and CO. and underscores the synergy of experimental and theoretical approaches.

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Moisture‐Resistant Nanofiber Membrane Loaded with Copper‐Manganese‐Tin Oxides for Dust and CO Filtration in High Humidity Environments

Zhou,

Chen,

Xin

et al. 2024

Adv Funct Materials

View full text Add to dashboard Cite

show abstract

Response Surface Methodology for Ni-Zeolite Catalyst Optimization in Syngas Production

Alanazi,

Al-Fatesh,

Al-Mubaddel

et al. 2024

ACS Omega

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This work addresses the problem of converting waste methane, a significant greenhouse gas, using customized nickel-zeolite catalysts to produce profitable syngas. The investigation employs 5 wt % of Ni on various zeolite supports with Si/Al ratios ranging from 13 to 25. Comprehensive characterization methods, including temperature-programmed reduction, N 2 adsorption−desorption, and X-ray diffraction, were used to identify critical structural characteristics that greatly impact the catalyst's performance. The study indicates that the reducibility and basicity of the catalyst, the type of zeolite support, and the kind of carbon deposits formed during the reaction at 800 °C all influence the efficiency of methane conversion to syngas. The best catalyst was found to be 5Ni-Z3, which at 800 °C produced high conversion rates of carbon dioxide (60%) and methane (50%). Lastly, the response surface methodology, in conjunction with numerical simulation, was used to determine the best operating settings for maximizing syngas production with the 5Ni-Z3 catalyst. Reaction temperature, space velocity, and the methane-to-carbon dioxide feed ratio were considered in this analysis. With a methane conversion rate exceeding 92%, a carbon dioxide conversion rate exceeding 90%, and a hydrogen-tocarbon monoxide ratio of 1.00, the catalyst produced experimental results very similar to the SRM predictions when the reaction was conducted at conditions close to the predicted values [temperature around 845 °C, space velocity around 22,000 mL/(h•gcat), and feed ratio close to 0.94]. The effectiveness of the identified operating conditions for the dry reforming process is validated by the near alignment of expected and experimental outcomes. 4 2 +(2)

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Influence of water in catalyst deactivation and lifetime of methane Bi-Reforming reaction over Ni-Co-Ru tri-metallic catalyst system

Cited by 2 publications

References 36 publications

Moisture‐Resistant Nanofiber Membrane Loaded with Copper‐Manganese‐Tin Oxides for Dust and CO Filtration in High Humidity Environments

Moisture‐Resistant Nanofiber Membrane Loaded with Copper‐Manganese‐Tin Oxides for Dust and CO Filtration in High Humidity Environments

Response Surface Methodology for Ni-Zeolite Catalyst Optimization in Syngas Production

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