Development of improved nickel catalysts for sorption enhanced CO2 methanation

Delmelle, Renaud; Duarte, Renata Bessa; Franken, Tanja; Burnat, Dariusz; Holzer, Lorenz; Borgschulte, Andreas; Heel, André

doi:10.1016/j.ijhydene.2016.09.045

Cited by 80 publications

(64 citation statements)

References 28 publications

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“…Supported Ni catalysts are the most widely investigated materials for CO 2 methanation due to their high efficiency in CH 4 production and low cost [75][76][77][78][79][80][81][82][83][84][85][86][87][88][89]. A lot of supports have been investigated for Ni catalysts since, as is well known, the catalytic performance strongly depends upon the nature and properties of the support.…”

Section: Nickel-based Catalystsmentioning

confidence: 99%

Supported Catalysts for CO2 Methanation: A Review

et al. 2017

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CO 2 methanation is a well-known reaction that is of interest as a capture and storage (CCS) process and as a renewable energy storage system based on a power-to-gas conversion process by substitute or synthetic natural gas (SNG) production. Integrating water electrolysis and CO 2 methanation is a highly effective way to store energy produced by renewables sources. The conversion of electricity into methane takes place via two steps: hydrogen is produced by electrolysis and converted to methane by CO 2 methanation. The effectiveness and efficiency of power-to-gas plants strongly depend on the CO 2 methanation process. For this reason, research on CO 2 methanation has intensified over the last 10 years. The rise of active, selective, and stable catalysts is the core of the CO 2 methanation process. Novel, heterogeneous catalysts have been tested and tuned such that the CO 2 methanation process increases their productivity. The present work aims to give a critical overview of CO 2 methanation catalyst production and research carried out in the last 50 years. The fundamentals of reaction mechanism, catalyst deactivation, and catalyst promoters, as well as a discussion of current and future developments in CO 2 methanation, are also included.

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Section: Nickel-based Catalystsmentioning

confidence: 99%

Supported Catalysts for CO2 Methanation: A Review

et al. 2017

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“…Thus, a sorption catalyst typically consists of the active catalyst (consisting, e.g., of transition metal nanoparticles), which is embedded in a sorbent with a high selective affinity for the product. Recent studies have demonstrated this concept with the hydrogenation of CO 2 to methane

\begin{matrix} left \\ {CO}_{2} + {4 H}_{2} \to {CH}_{4} + {2 H}_{2} O \\ Δ H_{0} = - 165 kJ {mol}^{- 1} \end{matrix}

…”

Section: Introductionmentioning

confidence: 99%

“…Reaction is ideal to explain the principle of sorption enhancement: the product methane is hardly adsorbed on the catalyst as compared to water. Sorption enhancement is thus achieved by the removal of water from the reaction sites …”

Section: Introductionmentioning

confidence: 99%

Sorption‐Enhanced Methanol Synthesis

et al. 2019

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A small heat of reaction limits the efficiency of the catalytic hydrogenation of CO2 to form methanol; an improved efficiency can be achieved by shifting the thermodynamic equilibrium toward the formation of methanol. The exothermic adsorption of the products in sorption catalysts is shown to increase the reaction yield. The sorption catalysts consist of catalytically active Cu particles incorporated into a zeolite, which is known to strongly absorb water. In addition to high reaction yield of methanol, the sorption catalyst reduces CO2 to CO and dimethyl ether. An enhancement factor of up to 400% for CO and 130% for methanol and dimethyl ether at a relatively low pressure of 15 bar is shown. Furthermore, the following relevant parameters for future technical realization are derived: a high catalytic activity and the reversible adsorption of the products at reaction conditions. A key experiment that combines a catalytic reaction and a pressure swing desorption is presented and demonstrates the feasibility of sorption‐enhanced catalysis for efficient energy use in large‐scale reactors.

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“…4. Atmospheric pressure is assumed here from the authors, since recent developments in catalysis showed methane yields up to 100% already at atmospheric pressure (Delmelle et al, 2016). By this, the compression energy is also significantly lower since only methane must be compressed to natural gas grid pressure instead of CO2 and H2, which needs five times more compression energy and a H2 suitable technology.…”

Section: General Technical Considerations For the Applied Modelmentioning

confidence: 99%

“…The subsequent conversion of this H2 with CO2 is assumed to take place at ambient pressure and 300°C, since these conditions are technically feasible to reach 100% CO2 conversion with stateof-the-art for common nickel catalysts (Delmelle et al, 2016). The authors furthermore assumed for this case study that compression of one unit of CH4 is more efficient and more economic than compressing 5 units of reactant gasses under stoichiometric conditions, i.e., 4 units H2 and one unit of CO2 and therefore, compression on gas grid conditions takes place after methanation.…”

Section: Energetic Consideration For H 2 Production By Ael and Its Comentioning

confidence: 99%

A Cost Estimation for CO2 Reduction and Reuse by Methanation from Cement Industry Sources in Switzerland

2018

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The Swiss government has signed the Paris Climate Agreement and various measures need to be implemented in order to reach the target of a 50% reduction in CO2 emissions in Switzerland by 2030 compared with the value for 1990. Considering the fact that the production of cement in Switzerland accounts around 2.5 million ton for CO2 emissions of which corresponds to roughly 7% of the country's total CO2 emissions, the following article examines how this amount could be put to meaningful use in order to create a new value-added chain through CO2 methanation, and thus reduce the consumption and import of fossil fuels in Switzerland. With power-to-gas technology, this CO2, along with regenerative hydrogen from photovoltaics, can be converted into methane, which can then be fed into the existing natural-gas grid. This economic case study shows a cost prediction for conversion of all the CO2 from the cement industry into methane by using the technologies available today in order to replacing fossil methane imports.

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Development of improved nickel catalysts for sorption enhanced CO2 methanation

Cited by 80 publications

References 28 publications

Supported Catalysts for CO2 Methanation: A Review

Supported Catalysts for CO2 Methanation: A Review

Sorption‐Enhanced Methanol Synthesis

A Cost Estimation for CO2 Reduction and Reuse by Methanation from Cement Industry Sources in Switzerland

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