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• W4312192123 endingPage "012038" @default.
• W4312192123 startingPage "012038" @default.
• W4312192123 abstract "Abstract A small-scale 10 ton per day methanol (MeOH) synthesis plant, from CO 2 and hydrogen, is designed and simulated with Aspen Plus and a techno-economic analysis is conducted. The e-fuel (MeOH) is produced in a conventional fixed bed reactor featuring an innovative Cu/Zn/Al/Zr catalyst, converting biogenic CO 2 from a biogas upgrading plant with H 2 produced by a grid powered PEM electrolyzer. The process is thermally autonomous as a result of heat integration and combustion of purged unconverted reactants. A sensitivity analysis is carried out in order to evaluate and compare the impact of the different technical (purge fraction, Gas Hourly Space Velocity and Pressure of the methanol synthesis) and economic parameters (Capital Charge Factor, electricity and H 2 cost) on the Levelized Cost Of Methanol (LCOM). Results show that, although the energy efficiency is greater (47.4 % electricity to methanol conversion) in the scenario with “self-sufficiency” in which all the net heat required by the process is provided by off-gas streams, the case with the highest profitability is the one with maximum methanol yield and, therefore, minimum purge and non-zero thermal energy import (provided by a biogas boiler). The best case scenario features a LCOM equal to 1,361 €/ton MeOH , with a GHSV of 7,500 h −1 and synthesis reactor operating at 70 bar, 250 °C. H 2 production cost is the key variable and shall be reduced from the base case value of 5.8 €/kg H2 to 1.6 €/kg H2 in order to make the CO 2 to methanol plant competitive with a MeOH market price of 550 €/ton MeOH ; synthesis reactor operating conditions have more limited impact from a cost perspective, except for the purge fraction that shall be optimized to maximize the amount of MeOH produced." @default.
• W4312192123 created "2023-01-04" @default.
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• W4312192123 date "2022-12-01" @default.
• W4312192123 modified "2023-09-26" @default.
• W4312192123 title "Process Design and Techno-Economic Assessment of biogenic CO₂ Hydrogenation-to-Methanol with innovative catalyst" @default.
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• W4312192123 doi "https://doi.org/10.1088/1742-6596/2385/1/012038" @default.
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