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Decentralization of sustainable aviation fuel production in Brazil through Biomass-to-Liquids routes: A techno-economic and environmental evaluation

机译:Decentralization of sustainable aviation fuel production in Brazil through Biomass-to-Liquids routes: A techno-economic and environmental evaluation

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摘要

The present study evaluated the influence of three strategies to improve the economic feasibility of sustainable aviation fuel (SAF) production through gasification and Fischer-Tropsch synthesis (GFT) of lignocellulosic biomass feedstocks in Biomass-to-Liquids (BtL) plants. Apart from the integration with sugarcane ethanol production and the use of economic incentives by the carbon credits market, we evaluated the decentralization of the production chain with fast pyrolysis (FP) units to densify the biomass into bio-oil, aiming to reduce feedstock transportation costs for biofuel production. These analysis made use of process simulation coupled with techno-economic assessment (TEA) and life cycle assessment (LCA). Carbon credits commercialization alone is not enough to enable the standalone GFT scenario with current prices (up to 30 US$/tonne CO_2 _(eq) avoided). However, integration into a 1G mill can decrease SAF production costs to as low as 0.4-0.7 US$/L and achieve over 70 g of CO_2 _(eq) avoided/MJ of SAF. The addition of the FP process for decentralization is a better option than a centralized production only for distances above 1,000 km. This is due to expenses with feedstock bio-oil being from 2 to 5 times higher than with the direct use of solid biomass. In conclusion, the path to make SAF production feasible lies in the integration with more mature routes and by relying on incentives from environmental policies, while the decentralization could help markets with highly disperse biomass availability.

著录项

  • 来源
    《Energy conversion & management》 |2023年第1期|116547.1-116547.14|共14页
  • 作者单位

    School of Food Engineering (FEA), University of Campinas (UNICAMP), 13083-862 Campinas, Sao Paulo, Brazil, Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), 13083-970 Campinas, Sao Paulo, Br;

    School of Chemical Engineering (FEQ), University of Campinas (UNICAMP), 13083-852 Campinas, Sao Paulo, Brazil;

    Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), 13083-970 Campinas, Sao Paulo, BrazilFuel Laboratory, Petroleum and Energy Research Institute (LITPEG), Federal University of Pernambuco (UFPE), Zip Code 50740-550, Recife, Pernambuco, BrazilSchool of Food Engineering (FEA), University of Campinas (UNICAMP), 13083-862 Campinas, Sao Paulo, Brazil, Industrial Ecology Programme, Department of Energy and Process Engineering, Norwegian University of Science and Technology, Trondheim, Norway;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类
  • 关键词

    Sustainable aviation fuel; Sugarcane; Fischer-Tropsch; Gasification; Fast pyrolysis;

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