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Techno-Economic Analysis (TEA) of Different Pretreatment and Product Separation Technologies for Cellulosic Butanol Production from Oil Palm Frond

Author

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  • Nazira Mahmud

    (Department of Agricultural and Biosystems Engineering, Iowa State University, Elings Hall, Ames, IA 50011, USA
    Faculty of Industrial Sciences and Technology, University Malaysia Pahang, Lebuhraya Tun Razak, Kuantan 26300, Malaysia)

  • Kurt A. Rosentrater

    (Department of Agricultural and Biosystems Engineering, Iowa State University, Elings Hall, Ames, IA 50011, USA)

Abstract

Among the driving factors for the high production cost of cellulosic butanol lies the pretreatment and product separation sections, which often demand high amounts of energy, chemicals, and water. In this study, techno-economic analysis of several pretreatments and product separation technologies were conducted and compared. Among the pretreatment technologies evaluated, low-moisture anhydrous ammonia (LMAA) pretreatment has shown notable potential with a pretreatment cost of $0.16/L butanol. Other pretreatment technologies evaluated were autohydrolysis, soaking in aqueous ammonia (SAA), and soaking in sodium hydroxide solution (NaOH) with pretreatment costs of $1.98/L, $3.77/L, and $0.61/L, respectively. Evaluation of different product separation technologies for acetone-butanol-ethanol (ABE) fermentation process have shown that in situ stripping has the lowest separation cost, which was $0.21/L. Other product separation technologies tested were dual extraction, adsorption, and membrane pervaporation, with the separation costs of $0.38/L, $2.25/L, and $0.45/L, respectively. The evaluations have shown that production of cellulosic butanol using combined LMAA pretreatment and in situ stripping or with dual extraction recorded among the lowest butanol production cost. However, dual extraction model has a total solvent productivity of approximately 6% higher than those of in situ stripping model.

Suggested Citation

  • Nazira Mahmud & Kurt A. Rosentrater, 2020. "Techno-Economic Analysis (TEA) of Different Pretreatment and Product Separation Technologies for Cellulosic Butanol Production from Oil Palm Frond," Energies, MDPI, vol. 13(1), pages 1-26, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:1:p:181-:d:303997
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    References listed on IDEAS

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    1. Schnitkey, Gary, 2018. "Fertilizer Prices Higher for 2019 Crop," farmdoc daily, University of Illinois at Urbana-Champaign, Department of Agricultural and Consumer Economics, vol. 8, September.
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    Cited by:

    1. A. Alcantara & F. J. Lopez-Gimenez & M. P. Dorado, 2020. "Universal Kinetic Model to Simulate Two-Step Biodiesel Production from Vegetable Oil," Energies, MDPI, vol. 13(11), pages 1-15, June.
    2. Anu, & Kumar, Anil & Rapoport, Alexander & Kunze, Gotthard & Kumar, Sanjeev & Singh, Davender & Singh, Bijender, 2020. "Multifarious pretreatment strategies for the lignocellulosic substrates for the generation of renewable and sustainable biofuels: A review," Renewable Energy, Elsevier, vol. 160(C), pages 1228-1252.

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