Techno-economic analysis of ethanol production from sugarcane bagasse using a Liquefaction plus Simultaneous Saccharification and co-Fermentation process

Gubicza, Krisztina; Nieves, Ismael U.; Sagues, William J.; Barta, Zsolt; Shanmugam, K. T.; Ingram, Lonnie O.

doi:10.1016/j.biortech.2016.01.093

Techno-economic analysis of ethanol production from sugarcane bagasse using a Liquefaction plus Simultaneous Saccharification and co-Fermentation process

Journal Article · Sun Jan 31 23:00:00 EST 2016 · Bioresource Technology

DOI:https://doi.org/10.1016/j.biortech.2016.01.093· OSTI ID:1770945

Gubicza, Krisztina ^[1]; Nieves, Ismael U. ^[2]; Sagues, William J. ^[2]; Barta, Zsolt ^[3]; Shanmugam, K. T. ^[4]; Ingram, Lonnie O. ^[4]

Budapest Univ. of Technology and Economics (Hungary); University of Florida
Univ. of Florida, Perry, FL (United States)
Budapest Univ. of Technology and Economics (Hungary)
Univ. of Florida, Perry, FL (United States); Univ. of Florida, Gainesville, FL (United States)

A techno-economic analysis was conducted for a simplified lignocellulosic ethanol production process developed and proven by the University of Florida at laboratory, pilot, and demonstration scales. Data obtained from all three scales of development were used with Aspen Plus to create models for an experimentally-proven base-case and 5 hypothetical scenarios. The model input parameters that differed among the hypothetical scenarios were time of L+SScF, enzyme loading, enzymatic conversion, solids loading, and overall process yield. The minimum ethanol selling price (MESP) varied between 50.38 and 62.72 US cents/L. The feedstock and the capital cost were the main contributors to the production cost, comprising between 23-28% and 40-49% of the MESP, respectively. A sensitivity analysis showed that overall ethanol yield had the greatest effect on the MESP. Here, these findings suggest that future efforts to increase the economic feasibility of a cellulosic ethanol process should focus on optimization for highest ethanol yield.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Florida, Gainesville, FL (United States)

Sponsoring Organization:: USDOE Office of International Affairs (IA)

Grant/Contract Number:: PI0000031

OSTI ID:: 1770945

Alternate ID(s):: OSTI ID: 1358841

Journal Information:: Bioresource Technology, Journal Name: Bioresource Technology Vol. 208; ISSN 0960-8524

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Economic Analysis of Cellulosic Ethanol Production from Sugarcane Bagasse Using a Sequential Deacetylation, Hot Water and Disk-Refining Pretreatment Cheng, Ming-Hsun; Wang, Zhaoqin; Dien, Bruce S. Processes, Vol. 7, Issue 10, p. 642 https://doi.org/10.3390/pr7100642	journal	September 2019
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