Power-to-methanol process: a review of electrolysis, methanol catalysts, kinetics, reactor designs and modelling, process integration, optimisation, and techno-economics

Mbatha, Siphesihle; Everson, Raymond C.; Musyoka, Nicholas M.; Langmi, Henrietta W.; Lanzini, Andrea; Brilman, Wim

doi:10.1039/d1se00635e

Cited by 65 publications

(24 citation statements)

References 385 publications

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“…Many aspects contribute to determining the industrial feasibility, as reviewed recently by Mbatha et al 30 for the power-to-methanol case. Among them, the availability of the technology at sufficiently high TRL is crucial.…”

Section: Drivers To Develop a New Model Of Chemical Productionmentioning

confidence: 99%

Status and gaps toward fossil-free sustainable chemical production

Centi

Perathoner

2022

Green Chem.

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Section: Drivers To Develop a New Model Of Chemical Productionmentioning

confidence: 99%

Status and gaps toward fossil-free sustainable chemical production

Centi

Perathoner

2022

Green Chem.

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“…Methanol is currently obtained from syngas using commercial alumina-supported Cu-ZnO catalysts. Its direct synthesis from CO 2 is a very appealing perspective, and great research efforts have been devoted lately in this direction by focusing on either the catalysts [ 20 ] or the catalytic processes [ 21 ]. Using oxide-supported catalysts, which usually contain a large variety of promoters besides Cu and ZnO, CO 2 conversions in the range of 5–20%, and CH 3 OH selectivity up to 80% were reported [ 22 ].…”

Section: Co 2 Hydrogenation To Methanolmentioning

confidence: 99%

CO2 Hydrogenation Catalyzed by Graphene-Based Materials

2022

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In the context of an increased interest in the abatement of CO2 emissions generated by industrial activities, CO2 hydrogenation processes show an important potential to be used for the production of valuable compounds (methane, methanol, formic acid, light olefins, aromatics, syngas and/or synthetic fuels), with important benefits for the decarbonization of the energy sector. However, in order to increase the efficiency of the CO2 hydrogenation processes, the selection of active and selective catalysts is of utmost importance. In this context, the interest in graphene-based materials as catalysts for CO2 hydrogenation has significantly increased in the last years. The aim of the present paper is to review and discuss the results published until now on graphene-based materials (graphene oxide, reduced graphene oxide, or N-dopped graphenes) used as metal-free catalysts or as catalytic support for the thermocatalytic hydrogenation of CO2. The reactions discussed in this paper are CO2 methanation, CO2 hydrogenation to methanol, CO2 transformation into formic acid, CO2 hydrogenation to high hydrocarbons, and syngas production from CO2. The discussions will focus on the effect of the support on the catalytic process, the involvement of the graphene-based support in the reaction mechanism, or the explanation of the graphene intervention in the hydrogenation process. Most of the papers emphasized the graphene’s role in dispersing and stabilizing the metal and/or oxide nanoparticles or in preventing the metal oxidation, but further investigations are needed to elucidate the actual role of graphenes and to propose reaction mechanisms.

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“…This leads to savings in energy and volumes while also reducing the uncertainty in the reactor design and in the overall methanol plant design. 7,8 More in general, several recent works highlight how accurate kinetics are crucial for highly intensified processes. 9−12 This premise is considering the trends in the methanol sector in terms of production volumes, energy consumption, and future perspectives.…”

Section: ■ Introductiona Brief Introduction On the Methanol Synthesi...mentioning

confidence: 99%

“…It is well known that an appropriate thermodynamic toolbox selection benefits the accuracy and reliability of the process design. − This step also positively influences the process optimization and control. − Similarly, an accurate kinetic model enables us to properly configure and define the downstream for the product purification. This leads to savings in energy and volumes while also reducing the uncertainty in the reactor design and in the overall methanol plant design. , More in general, several recent works highlight how accurate kinetics are crucial for highly intensified processes. − …”

Section: Introductiona Brief Introduction On the Methanol Synthesis ...mentioning

confidence: 99%

Impact of Kinetic Models on Methanol Synthesis Reactor Predictions: In Silico Assessment and Comparison with Industrial Data

Bisotti

Fedeli

Prifti

et al. 2022

Ind. Eng. Chem. Res.

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The reactor is one of the most important equipment to be designed for optimal process operations. An appropriate reactor modeling leads to an efficient and optimal process conceptual design, simulation, and eventually construction. The key for success in this step is mainly related to kinetics. The present work is centered toward process simulation and aims at comparing three different kinetic models for methanol synthesis. The comparison shows how the refitted Graaf model, presented in a previous study, effectively predicts the performance of modern methanol synthesis loops. To pursue this objective, we simulated in Aspen HYSYS three methanol synthesis technologies (the most popular technologies in modern plants) and compared the results with industrial data. The proposed case study demonstrates that the refitted Graaf model is more accurate in output prediction than the wellestablished original Graaf and Vanden Bussche−Froment models, which are currently considered the industrial benchmark, thus showing how the refitted Graaf model is a potential candidate for future industrial applications.

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Power-to-methanol process: a review of electrolysis, methanol catalysts, kinetics, reactor designs and modelling, process integration, optimisation, and techno-economics

Abstract: In this paper, the power-to-methanol chain is reviewed from a process system engineering perspective with detailed assessments of major technologies. The evaluation encompasses electrolysis technologies and catalyst developments, kinetics, reactor...

Cited by 65 publications

References 385 publications

Status and gaps toward fossil-free sustainable chemical production

Status and gaps toward fossil-free sustainable chemical production

CO2 Hydrogenation Catalyzed by Graphene-Based Materials

Impact of Kinetic Models on Methanol Synthesis Reactor Predictions: In Silico Assessment and Comparison with Industrial Data

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