Catalytic Activity and Resistance to Sulfur Poisoning of Nickel-Containing Composites Based on Stabilized Zirconia in Tri-reforming of Methane

Канцерова, М. Р.; Orlyk, S. M.; Vasylyev, Oleksandr

doi:10.1007/s11237-018-9536-z

Cited by 12 publications

(9 citation statements)

References 19 publications

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“…In methane reforming processes, catalyst poisoning due to the strong chemisorption of impurities on active sites of catalyst is unpreventable as the methane source (i.e., biogas and natural gas) typically contains a minor amount of H 2 S [79]. According to literature [50,80], the adsorption of H 2 S molecules on metal surface would lead to surface coverage and subsequently dissociates through the formation of a bulk sulfide phase. The formation of sulfur-containing compounds on the metal surface inhibits the accessibility of reactants to the active sites of metal particles and thus, suppression on the surface reaction.…”

Section: Catalyst Poisoningmentioning

confidence: 99%

“…Kantserova et al [80] scrutinised the catalytic activity of Ni-containing composites (i.e., Ni-Cu-CeO 2 , Pd-Ni, and Pt-Ni) and their resistance to sulfur poisoning for TRM (reaction conditions: 800 • C, 1 bar, molar ratio of CH 4 :CO 2 :H 2 O:O 2 :Ar = 4:6:5:0.5:84.5, inlet gas flowrate =90 mL min − 1 , 3500 ppm H 2 S). The Ni-Cu-CeO 2 catalyst performed a low resistance to sulfur poisoning as it was promptly lost up to 42 % of CH 4 conversion after 70 min of reaction run.…”

Section: Catalyst Poisoningmentioning

confidence: 99%

“…The authors concluded that the catalyst resistance to H 2 S poisoning increased as the corrosion resistance order of the metal active components for the composites in the air where saturated with water vapor containing a trace of hydrogen sulfide: Cu, Ni < Pt < Pd. Regarding the regeneration, the authors suggested that a double treatment (H 2 O oxidation over 10 h, followed by H 2 reduction at 800 • C) and increasing time for the regeneration could be the promising solution for restoring the initial activity of the Pd-Ni catalyst [80].…”

Section: Catalyst Poisoningmentioning

confidence: 99%

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Review on the catalytic tri-reforming of methane - Part I: Impact of operating conditions, catalyst deactivation and regeneration

Minh

Pham

Siang

et al. 2021

Applied Catalysis A: General

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Section: Catalyst Poisoningmentioning

confidence: 99%

Section: Catalyst Poisoningmentioning

confidence: 99%

Section: Catalyst Poisoningmentioning

confidence: 99%

See 1 more Smart Citation

Review on the catalytic tri-reforming of methane - Part I: Impact of operating conditions, catalyst deactivation and regeneration

Minh

Pham

Siang

et al. 2021

Applied Catalysis A: General

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“…Small amounts (0.1%) of palladium or platinum added to nickel catalysts for the reforming of methane demonstrated the greatest resistance to the action of H 2 S (3500 ppm). The resistance of the catalysts to the poisoning by H 2 S increases in a sequence that coincides with an order of the corrosion resistance of metal active components of composites in the air saturated with water vapor, containing a trace of hydrogen sulfide (Ni < Pt < Pd) [129].…”

Section: Noble Metalsmentioning

confidence: 80%

Focus on Materials for Sulfur-Resistant Catalysts in the Reforming of Biofuels

2021

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The reforming of biofuels represents a promising technology for low carbon and renewable hydrogen production today. The core of the process is an active and stable catalyst, which can help to improve this technology and its efficiency. With this review, we aim to survey the more relevant literature on heterogeneous catalysts for the reforming of biofuels with improved sulfur tolerance. The review is structured into four main sections. Following the introduction, the fundamental aspects of sulfur poisoning are discussed. In the third section, the basic principles of the reforming of biofuels are reported, and finally, in the fourth section—the core of the review—recent progresses in the development of sulfur resistant catalysts are discussed, distinguishing the role of the metal (noble and non-noble) from that of the support.

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“…Many previous studies attempted to address the challenge of catalyst deactivation due to sulfur poisoning [7,8,9,10,11,12]. Sato and Fujimoto studied tar gasification by catalytic steam reforming on a Ni/MgO-CaO catalyst doped with WO3.…”

Section: Introductionmentioning

confidence: 99%

Boron Doping to Limit Sulfur Poisoning on Metal Catalysts**

Almofleh

Aljama

2023

ChemCatChem

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Sulfur poisoning is a major challenge in catalytic processes where it can result in a gradual decline in the activity of the metal catalyst or a complete deactivation of the catalyst. Many studies were conducted to investigate the effects of sulfur poisoning on metals and address this challenge by developing a catalyst that is resistant to sulfur poisoning without compromising its performance. Boron doping showed to be a promising approach to modify the properties of metal catalysts and improve their performance in various applications. In this work, we conduct periodic density functional theory (DFT) calculations to study boron doping on a number of metals and its impact on sulfur poisoning. Our DFT calculations show that boron doping impacts metals differently. Boron doping is favourable on few metals (Pd, Pt, Rh and Ru) and very unfavourable on other metals (e.g. Ag and Cu). On Pd, Pt, and Rh, boron doping has a positive impact on reducing sulfur poisoning, with the impact varying with boron concentration. Finally, as a case study, we examine the impact of boron doping on H2S splitting to create H2 and show that boron doping has a pronounced positive impact on the performance of Pd-based catalyst.

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Catalytic Activity and Resistance to Sulfur Poisoning of Nickel-Containing Composites Based on Stabilized Zirconia in Tri-reforming of Methane

Cited by 12 publications

References 19 publications

Review on the catalytic tri-reforming of methane - Part I: Impact of operating conditions, catalyst deactivation and regeneration

Review on the catalytic tri-reforming of methane - Part I: Impact of operating conditions, catalyst deactivation and regeneration

Focus on Materials for Sulfur-Resistant Catalysts in the Reforming of Biofuels

Boron Doping to Limit Sulfur Poisoning on Metal Catalysts**

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