Methane decomposition over Ni, Co and Fe based monometallic catalysts supported on sol gel derived SiO2 microflakes

Pudukudy, Manoj; Yaakob, Zahira

doi:10.1016/j.cej.2014.10.077

Cited by 165 publications

(48 citation statements)

References 28 publications

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“…However, the third peak overlapped and extended over a wide temperature range, indicating several interactions occurring between the cobalt species and the surface of supports, which led to the formation of unreductive cobalt aluminates or cobalt silicates. With the decrease of Si/Al ratios, the areas of reduction peak were increased indicated that the cobalt-support interaction became more complicated and stronger [22,23]. The reduction degree was relatively expressed as the ratio of the amount of H 2 consumption below 673 K to that of total H 2 consumption.…”

Section: Catalytic Experimentsmentioning

confidence: 99%

The influence of hierarchical zeolite composition and pore structure on behavior of cobalt-based Fischer–Tropsch synthesis catalysts

Zhao

Wang

et al. 2015

J Porous Mater

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Abstracts Cobalt catalyst supported on hierarchical zeolite possessing a three different Si/Al ratio was studied in Fischer-Tropsch synthesis. The catalyst with Si/Al ratio of 60 was found to be superior to other catalysts in terms of better C 5-18 selectivity and higher olefin/paraffin ratio due to smaller cobalt particles and larger number of acidic sites. While Co/Meso-ZSM120 catalyst with perfect crystal structure favored products to accessibility and prevented cobalt particles from being oxidized compared to that of amorphous support, resulting in the lowest deactivation rate and the lowest carbon content on the surface.

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Section: Catalytic Experimentsmentioning

confidence: 99%

The influence of hierarchical zeolite composition and pore structure on behavior of cobalt-based Fischer–Tropsch synthesis catalysts

Zhao

Wang

et al. 2015

J Porous Mater

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“…There are lots of work available about this reaction including extensive reviews (Abbas and Wan Daud, 2010;Amin et al, 2011) and experimental works with several types of catalysts (Botas et al, 2010;Pudukudy and Yaakob, 2015). Such energy requirements imply that temperature over 500 • C is required to start methane decomposition, reaching high conversion rates over 1,100 • C. Conversion rates from 10% at 500 • C (Li et al, 2006) to 95% at 1,050 • C (Maag et al, 2009) have been achieved with different catalysts.…”

Section: Natural Gas Decarbonizationmentioning

confidence: 99%

Natural Gas Decarbonization as Tool for Greenhouse Gases Emission Control

Abánades

2018

Front. Energy Res.

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“…Many works have been reported on CMD using metal catalysts, such as Fe [12][13][14][15], Co [16,17], Ni [18][19][20][21], carbon materials [22][23][24][25][26][27], 2 Journal of Nanomaterials three red mud samples for hydrogen production by CMD. The highest methane conversion obtained in their study was 19.8% with a corresponding methane conversion rate of 18.0 × 10 −6 mol CH 4 /g cat /s, which is associated with a sample containing the highest proportion of iron, and two other samples exhibited poorer activity than this sample did.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Modified Red Mud-Supported Fe Catalysts for Hydrogen Production by Catalytic Methane Decomposition

Liu

Fang

et al. 2017

Journal of Nanomaterials

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A modified red mud-(MRM-) supported Fe catalyst ( Fe/MRM) was prepared using the homogeneous precipitation method and applied to methane decomposition to produce hydrogen. The TEM and SEM-EDX results suggested that the particle sizes of the Fe/MRM catalysts were much smaller than that of raw red mud (RM), and the active metal Fe was evenly distributed over the catalyst structure. Moreover, BET results indicated that the surface areas and pore volumes of the catalysts were significantly improved, and the pore sizes of Fe/MRM were distributed from 5 to 12 nm, which is typical for a mesoporous material. The activities of those catalysts for the catalytic decomposition of methane were studied at atmospheric pressure at a moderate temperature of 650 ∘ C; the results showed that the Fe/MRM catalysts were more active than RM and MRM. The methane conversion curves of Fe/MRM catalysts exhibited similar variation tendencies (three-step) during the reaction despite different Fe contents, and the loading amount of Fe clearly affected the activity of the catalysts.

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Methane decomposition over Ni, Co and Fe based monometallic catalysts supported on sol gel derived SiO2 microflakes

Cited by 165 publications

References 28 publications

The influence of hierarchical zeolite composition and pore structure on behavior of cobalt-based Fischer–Tropsch synthesis catalysts

The influence of hierarchical zeolite composition and pore structure on behavior of cobalt-based Fischer–Tropsch synthesis catalysts

Natural Gas Decarbonization as Tool for Greenhouse Gases Emission Control

Preparation of Modified Red Mud-Supported Fe Catalysts for Hydrogen Production by Catalytic Methane Decomposition

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