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Process Simulation and Multi-aspect Analysis of Methanol Production Through Blast Furnace Gas and Landfill Gas by Fei Qiu; Zhen Sun; Huiping Li; Qian Qian is a Engineering article available to read on EtoBox.

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This paper presents a novel process for methanol production from blast furnace gas (BFG) and landfill gas (LFG). The process is evaluated using the energy, exergy, economic, and environmental (4E) analyses. The process consists of a power plant fueled by LFG, carbon dioxide (CO 2 ) chemisorption using 30% (wt.) solution of monoethanolamine, methanol synthesis and separation, and power and steam plants. Thermodynamic analysis shows that the total energy and exergy efficiencies for the proposed process are 59% and 63.2%, respectively. The carbon efficiency for this method is 42%. Environmental analysis shows that the total CO 2 emission is 2614.85 kg/h. Based on the simulation results, this process produces 18,200 kg/h methanol, which results in a CO 2 emission intensity of 0.144 kg CO 2 /kg MeOH. Economic evaluation determines that the proposed scheme has a capital cost of $100, 315, 128.9 with a payback period of 1.94 years. In addition, methanol production's annual profit is $4,798,088.309, and the minimum selling price of the produced methanol is $0.388/kg. The proposed process is a promising alternative for methanol production from BFG and LFG. It has high energy and exergy effi

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Author

Fei Qiu; Zhen Sun; Huiping Li; Qian Qian

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)