Closing energy cycle: Power-to-Methanol and Methanol-to-Power

Francisco Vidal Vázquez, Ilkka Hannula, Pekka Simell

Research output: Contribution to journalArticleProfessional

Abstract

Shifting from fossil-fuel based energy system to renewable energy sources requires the adaptation of conventional technologies but also creation of new technologies. Both economic and technical aspects need to be considered in order to secure their successful introduction to markets. This article discusses two concepts: Power-to-Methanol and Methanol-to-Power that, combined, enable a closed energy cycle where methanol is used as energy carrier. The adaptation of conventional methanol synthesis technology using CO2-rich feed gases was successfully demonstrated under laboratory conditions, thus proving technical feasibility of this part of the Power-to-Methanol concept. However, techno-economic analysis revealed highly challenging process economics under present day cost assumptions. Portable Methanol-to-Power (MtP) generators were shown to achieve energy efficiencies that range from 36 % to 50 %. Despite the relatively high initial investment cost of these generators, they were shown to become more profitable in comparison to conventional portable power generators at long operational times due to their high energy efficiency.
Original languageEnglish
Pages (from-to)32-37
JournalGas for Energy
Issue number2
Publication statusPublished - 2016
MoE publication typeD1 Article in a trade journal

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Methanol
Energy efficiency
Economics
Economic analysis
Fossil fuels
Costs
Gases

Cite this

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title = "Closing energy cycle: Power-to-Methanol and Methanol-to-Power",
abstract = "Shifting from fossil-fuel based energy system to renewable energy sources requires the adaptation of conventional technologies but also creation of new technologies. Both economic and technical aspects need to be considered in order to secure their successful introduction to markets. This article discusses two concepts: Power-to-Methanol and Methanol-to-Power that, combined, enable a closed energy cycle where methanol is used as energy carrier. The adaptation of conventional methanol synthesis technology using CO2-rich feed gases was successfully demonstrated under laboratory conditions, thus proving technical feasibility of this part of the Power-to-Methanol concept. However, techno-economic analysis revealed highly challenging process economics under present day cost assumptions. Portable Methanol-to-Power (MtP) generators were shown to achieve energy efficiencies that range from 36 {\%} to 50 {\%}. Despite the relatively high initial investment cost of these generators, they were shown to become more profitable in comparison to conventional portable power generators at long operational times due to their high energy efficiency.",
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Closing energy cycle: Power-to-Methanol and Methanol-to-Power. / Vidal Vázquez, Francisco; Hannula, Ilkka; Simell, Pekka.

In: Gas for Energy, No. 2, 2016, p. 32-37.

Research output: Contribution to journalArticleProfessional

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N2 - Shifting from fossil-fuel based energy system to renewable energy sources requires the adaptation of conventional technologies but also creation of new technologies. Both economic and technical aspects need to be considered in order to secure their successful introduction to markets. This article discusses two concepts: Power-to-Methanol and Methanol-to-Power that, combined, enable a closed energy cycle where methanol is used as energy carrier. The adaptation of conventional methanol synthesis technology using CO2-rich feed gases was successfully demonstrated under laboratory conditions, thus proving technical feasibility of this part of the Power-to-Methanol concept. However, techno-economic analysis revealed highly challenging process economics under present day cost assumptions. Portable Methanol-to-Power (MtP) generators were shown to achieve energy efficiencies that range from 36 % to 50 %. Despite the relatively high initial investment cost of these generators, they were shown to become more profitable in comparison to conventional portable power generators at long operational times due to their high energy efficiency.

AB - Shifting from fossil-fuel based energy system to renewable energy sources requires the adaptation of conventional technologies but also creation of new technologies. Both economic and technical aspects need to be considered in order to secure their successful introduction to markets. This article discusses two concepts: Power-to-Methanol and Methanol-to-Power that, combined, enable a closed energy cycle where methanol is used as energy carrier. The adaptation of conventional methanol synthesis technology using CO2-rich feed gases was successfully demonstrated under laboratory conditions, thus proving technical feasibility of this part of the Power-to-Methanol concept. However, techno-economic analysis revealed highly challenging process economics under present day cost assumptions. Portable Methanol-to-Power (MtP) generators were shown to achieve energy efficiencies that range from 36 % to 50 %. Despite the relatively high initial investment cost of these generators, they were shown to become more profitable in comparison to conventional portable power generators at long operational times due to their high energy efficiency.

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