Ni–Co catalyst derived from layered double hydroxides for dry reforming of methane

Zhang, Xiaoqing; Yang, Chunhui; Zhang, Yanping; Xu, Yan; Shang, Shuyong; Yin, Yuan‐Qi

doi:10.1016/j.ijhydene.2015.09.150

Cited by 74 publications

(29 citation statements)

References 44 publications

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“…The preferable catalytic activity was ascribed to the smaller metal particle size as well as higher metal dispersion of the catalysts, and the interaction effect between Co and Ni, which were all caused by cold plasma jet treatment. Similar results were also achieved for Zhang et al [24], who prepared Ni/Co catalyst derived from HTLc precursors with decomposition and reduction process performed by H 2 /Ar atmospheric plasma jet. Xu et al [68] prepared Ni(NO 3 ) 2 /MgO/γ-Al 2 O 3 precursor by impregnation method and the precursor was then treated via two ways for the subsequent calcination and reduction processes: one was decomposition and reduction by direct atmospheric cold plasma jet (as shown in Figure 3) and the other was calcination at 550 • C for 4 h and reduction at 750 • C for 2 h as the conventional method.…”

Section: Effect Of Thermal and Reduction Treatmentsupporting

confidence: 86%

“…Besides, the Ni catalysts supported by MgAl 2 O 4 afforded a fine dispersion in Ni nanoparticles and presented stable activity for the methane reforming of carbon dioxide. Zhang et al [24] investigated Ni/Co catalysts originated from HTLcs which were prepared in situ on the surface of γ-Al 2 O 3 by urea precipitation method for dry reforming of methane. By this in-situ co-precipitation method, highly homogeneous dispersed and small particles of the active component and of large specific surface area provided by γ-Al 2 O 3 were achieved for these Ni/Co catalysts.…”

Section: Co-precipitationmentioning

confidence: 99%

See 1 more Smart Citation

Development of Ni-Based Catalysts Derived from Hydrotalcite-Like Compounds Precursors for Synthesis Gas Production via Methane or Ethanol Reforming

Cheng

et al. 2017

Catalysts

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As a favorably clean fuel, syngas (synthesis gas) production has been the focus of concern in past decades. Substantial literatures reported the syngas production by various catalytic reforming reactions particularly in methane or ethanol reforming. Among the developed catalysts in these reforming processes, Ni-based catalysts from hydrotalcite-like compounds (HTLcs) precursors have drawn considerable attention for their preferable structural traits. This review covers the recent literature reporting syngas production with Ni-based catalysts from HTLc precursors via methane or ethanol reforming. The discussion was initiated with catalyst preparation (including conventional and novel means), followed by subsequent thermal treatment processes, then composition design and the addition of promoters in these catalysts. As Ni-based catalysts have thermodynamic potential to deactivate because of carbon deposition or metal sintering, measures for dealing with these problems were finally summarized. To obtain optimal catalytic performances and resultantly better syngas production, based on analyzing the achievements of the references, some perspectives were finally proposed.

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Section: Effect Of Thermal and Reduction Treatmentsupporting

confidence: 86%

Section: Co-precipitationmentioning

confidence: 99%

Development of Ni-Based Catalysts Derived from Hydrotalcite-Like Compounds Precursors for Synthesis Gas Production via Methane or Ethanol Reforming

Cheng

et al. 2017

Catalysts

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“…In contrast, Zhang et al. explored the activity of bimetallic Ni‐Co‐LDH/ γ ‐Al 2 O 3 in DRM. Layered double hydroxide (LDH) is a desirable catalyst precursor due to its natural active component dispersion, appropriate alkalinity, and ability to form oxides with homogeneous texture and proper specific surface area by calcination .…”

Section: Dry Reforming Of Methane Over Ni/co‐based Catalystsmentioning

confidence: 99%

“…Ni is responsible in the activation of CH 4 and CO 2 , while Co plays a role in oxidizing the carbon species formed via the Boudouard and/or methane cracking reactions.Similar findings were also reported by Siang et al[21] and Ray et al[22] for 5%Ni-10%Co/Al 2 O 3 and 11.25%Ni-3.75%Co/Al 2 O 3 , respectively. In contrast, Zhang et al[23] explored the activity of bimetallic Ni-Co-LDH/ g-Al 2 O 3 in DRM. Layered double hydroxide (LDH) is a desirable catalyst precursor due to its natural active component dispersion, appropriate alkalinity, and ability to form oxides with homogeneous texture and proper specific surface area by calcination…”

mentioning

confidence: 99%

High‐Performance Bimetallic Catalysts for Low‐Temperature Carbon Dioxide Reforming of Methane

et al. 2020

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Catalytic dry reforming of methane (DRM) is a promising way for renewable syngas production due to the utilization of both CO2 and CH4 greenhouse gases. Current approaches were made to improve the catalytic activity and coke resistance by introducing a second metal into the Ni‐based catalytic system. This bimetallic catalytic system showed a significant improvement in coke resistance due to the synergistic effect of both metals towards the reaction. This review summarizes recent developments in bimetallic catalysts in DRM which focused on the evaluation of catalysts, deactivation studies, and reaction mechanisms of developed bimetallic catalysts.

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“…The addition of steam, catalyst and partial oxidation enhancing the production of gases through a catalytic steam reforming type process [7,8]. Recently, another approach to the production of syngas has been the utilisation of carbon dioxide instead of steam, this for the production of syngas where the feedstock was methane [9][10][11][12]. The process of reformation of methane by carbon dioxide is also known as dry reforming of methane (DRM).…”

Section: Introductionmentioning

confidence: 99%

Pyrolysis-catalytic dry (CO 2 ) reforming of waste plastics for syngas production: Influence of process parameters

Saad

Williams

2017

Fuel

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Abstract:Catalytic dry (CO2) reforming of waste plastics was carried out in a two stage, pyrolysis-catalytic reforming fixed bed reactor to optimise the production of syngas (H2 + CO). The effects of changing the process parameters of, catalyst preparation conditions, catalyst temperature, CO2 input rate and catalyst:plastic ratio were investigated. The plastics used was a mixture of plastics simulating that found in municipal solid waste and the catalyst used was Ni-Co-Al2O3. The results showed that changing each of the process conditions investigated, all significantly influenced syngas production. An increase of 17 % of syngas production was achieved from the experiment with the catalyst prepared by rising-pH technique compared to preparation via the impregnation method. The optimum syngas production of 148.6 mmolsyngas g -1 swp was attained at the catalytic dry reforming temperature of 800 °C and catalyst:plastic ratio of 0.5. The increase of CO2 input rate promoted a higher yield of syngas.

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Ni–Co catalyst derived from layered double hydroxides for dry reforming of methane

Cited by 74 publications

References 44 publications

Development of Ni-Based Catalysts Derived from Hydrotalcite-Like Compounds Precursors for Synthesis Gas Production via Methane or Ethanol Reforming

Development of Ni-Based Catalysts Derived from Hydrotalcite-Like Compounds Precursors for Synthesis Gas Production via Methane or Ethanol Reforming

High‐Performance Bimetallic Catalysts for Low‐Temperature Carbon Dioxide Reforming of Methane

Pyrolysis-catalytic dry (CO 2 ) reforming of waste plastics for syngas production: Influence of process parameters

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