Effect of temperature of reduction on the activity and selectivity of a coprecipitated Ni–Al<sub>2</sub>O<sub>3</sub>catalyst for the Fischer–Tropsch and methanation reactions

Doesburg, E.B.M.; Orr, Sophie; Ross, J.R.H.; Reijen, L. L. van

doi:10.1039/c39770000734

Cited by 20 publications

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“…A higher temperature leads to a higher level of nickel reduction and thereby to a higher activity and selectivity towards methane [29]. Nevertheless, previous tests [25] with the same catalyst as used in these experiments but under different methanation conditions suggest that reduction temperatures between 300°C and 350°C are expected to be sufficient for high methane yields.…”

Section: Catalyst Activation and Tprmentioning

confidence: 85%

Low‐Temperature CO Methanation in Oil‐Tempered Plate Reactors by Optimization of Catalyst Activation Conditions

et al. 2017

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Ni-catalyzed methanation has been discovered more than 100 years ago. Since then, many applications based on syngas -from coal or biomass -for the production of synthetic natural gas (SNG) have been established. Nevertheless, methanation still bears great potential for optimization. Especially for decentralized, biomass-based applications, decreased methanation temperatures and pressures are expected to lower the costs of the overall process. Consequently, it is necessary to obtain a catalyst that is highly active under such reduced reaction conditions. This objective was successfully reached by a systematic variation of reduction temperature, pressure, and hydrogen concentration under the aspects of the design of experiment within the catalyst activation process.

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Section: Catalyst Activation and Tprmentioning

confidence: 85%

Low‐Temperature CO Methanation in Oil‐Tempered Plate Reactors by Optimization of Catalyst Activation Conditions

et al. 2017

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Reactions During Catalyst Activation

Delmon

2008

Handbook of Heterogeneous Catalysis

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The sections in this article are Introduction Particular Features of Chemical Reactions of Supported Solids Characteristics of Reactions of Solids: Possible Consequences in the Kinetics of Activation Interface‐Controlled ( IC ) Reactions Interaction Between Supported Phases and Supports Case 1: Very Weak Forces Case 2: Electronic Interaction Cases 3 to 7: Attachment Through a Transition Layer Case 8: Grafted Precursors Intermediate Cases Activation of Supported Catalysts by Calcination Activation of Supported Catalysts by Reduction General: Effect of Precursor Dispersion Overall Effects: Influence of Calcination Temperature in Precursor Preparation Role of Precursors Influence of the Amount of Deposited Precursor Loaded on the Support Effect of the Formation of Compounds between the Precursor and the Support Nature of the Support Effect of Modifiers (Promotors) Influence of the Activation Conditions Final Remarks Reduction–Sulfidation Fundamental Data Influence of the Sequence of Steps in Reduction‐Sulfidation Influence of the Activation Temperature Influence of the Sulfiding Molecule Other Results Outlook Activation of Other Catalysts Conventional Activation and the Real State of Catalysts during Catalysis Conclusions

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Preparation of Solid Catalysts: Sections 2.2.2 – 2.3.3

Thomas¹,

Bell²,

Catlow³

et al. 1997

Handbook of Heterogeneous Catalysis

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Effect of temperature of reduction on the activity and selectivity of a coprecipitated Ni–Al₂O₃catalyst for the Fischer–Tropsch and methanation reactions

Cited by 20 publications

References 0 publications

Low‐Temperature CO Methanation in Oil‐Tempered Plate Reactors by Optimization of Catalyst Activation Conditions

Low‐Temperature CO Methanation in Oil‐Tempered Plate Reactors by Optimization of Catalyst Activation Conditions

Reactions During Catalyst Activation

Preparation of Solid Catalysts: Sections 2.2.2 – 2.3.3

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Effect of temperature of reduction on the activity and selectivity of a coprecipitated Ni–Al2O3catalyst for the Fischer–Tropsch and methanation reactions

Cited by 20 publications

References 0 publications

Low‐Temperature CO Methanation in Oil‐Tempered Plate Reactors by Optimization of Catalyst Activation Conditions

Low‐Temperature CO Methanation in Oil‐Tempered Plate Reactors by Optimization of Catalyst Activation Conditions

Reactions During Catalyst Activation

Preparation of Solid Catalysts: Sections 2.2.2 – 2.3.3

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Effect of temperature of reduction on the activity and selectivity of a coprecipitated Ni–Al₂O₃catalyst for the Fischer–Tropsch and methanation reactions