期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 -, 期 -, 页码 -出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.2c03853
关键词
bioethanol-to-jet fuel; process model; techno-economic analysis; CO2 emissions; ethanol dehydration; ethylene oligomerization; hydrogenation
资金
- National Research Foundation of Korea (NRF) - Ministry of Science and ICT of the Republic of Korea [NRF-2021M1A2A2037010]
- Industrial Techno-logical Innovation Program - Ministry of Trade, Industry, and Energy (MOTIE) of the Republic of Korea [KEIT-20012726]
A model for the bioethanol-to-jet fuel process was developed to analyze its techno-economics and CO2 emissions. The study found that the process had low profitability but was environmentally friendly.
A model for the bioethanol-to-jet fuel process, based on ethanol dehydration, ethylene oligomerization, and hydrogenation, was developed to analyze its techno-economics and CO2 emissions. A reactor model of ethanol dehydration with estimated kinetic parameters and experimental data-driven reactor models for oligomerization and hydrogenation were used for the process simulator. The techno-economic analysis of the process using the developed model showed that the total production cost (TPC) surpassed the total capital investment, and the bioethanol price contributed the most (approximately 75%) toward TPC with a normalized sensitivity of 0.80. The minimum selling price was calculated to be $119 per barrel, making the process only marginally profitable compared to the market price of $120 per barrel. However, the process was found to be environmentally friendly, exhibiting a negative value of net CO2 emissions per unit mass of the product (-1.54 kg CO2 equivalents/kg) after considering the biomass credit, indicating that CO2 reduction was achievable. Further analysis demonstrated that the hydrogen production methods significantly influenced CO2 emissions with a normalized sensitivity of 0.18.
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