NDLI: ABE production from corn: a recent economic evaluation

Content Provider	Springer Nature Link
Author	Blaschek, HP
Copyright Year	2001
Abstract	This article details an economic assessment of butanol production from corn using the newly developed hyper-butanol-producing strain of Clostridium beijerinckii BA101. Butanol is produced in batch reactors and recovered by distillation. For a plant with 153,000 metric tons of acetone, butanol, and ethanol (ABE) production capacity, the production equipment cost and total working capital cost is US $33.47×106 and US$ 110.46×106, respectively. Based on a corn price (C p) of US $79.23 ton−1 (US$ 2.01 bushel−1), an ABE yield of 0.42 (g ABE/g glucose) butanol price is projected to be US $0.34 kg−1. An improved yield of 0.50 will reduce this price to US$ 0.29 kg−1. Assumptions, such as by-product credit for gases and complete conversion of corn steep liquor (CSL) to fermentation by-products, have been taken into consideration. An increased price of corn to US $197.10 ton−1 would result in a butanol price of US$ 0.47 kg−1. A grass-rooted plant would result in a butanol price of US $0.73 kg−1 (C p US$ 79.23 ton−1). In a worst case scenario, the price of butanol would increase to US $1.07 kg−1 (C p 197.10 ton−1 for a grass-rooted plant and assuming no credit for gases). This is based on the assumption that corn price would not increase to more than US$ 197.10 ton−1. Journal of Industrial Microbiology & Biotechnology (2001) 27, 292–297.
Starting Page	292
Ending Page	297
Page Count	6
File Format	PDF
ISSN	13675435
Journal	Journal of Industrial Microbiology and Biotechnology
Volume Number	27
Issue Number	5
e-ISSN	14765535
Language	English
Publisher	Nature Publishing Group
Publisher Date	2001-11-01
Publisher Place	London
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Applied Microbiology and Biotechnology Biotechnology

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