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Titolo:
Process design and costing of bioethanol technology: A tool for determining the status and direction of research and development
Autore:
Wooley, R; Ruth, M; Glassner, D; Sheehan, J;
Indirizzi:
Natl Renewable Energy Lab, Biotechnol Ctr Fuels & Chem, Golden, CO 80401 USA Natl Renewable Energy Lab Golden CO USA 80401 Chem, Golden, CO 80401 USA
Titolo Testata:
BIOTECHNOLOGY PROGRESS
fascicolo: 5, volume: 15, anno: 1999,
pagine: 794 - 803
SICI:
8756-7938(199909/10)15:5<794:PDACOB>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
ZYMOMONAS-MOBILIS; ETHANOL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
47
Recensione:
Indirizzi per estratti:
Indirizzo: Wooley, R Natl Renewable Energy Lab, Biotechnol Ctr Fuels & Chem, Golden, CO 80401 USA Natl Renewable Energy Lab Golden CO USA 80401 den, CO 80401 USA
Citazione:
R. Wooley et al., "Process design and costing of bioethanol technology: A tool for determining the status and direction of research and development", BIOTECH PR, 15(5), 1999, pp. 794-803

Abstract

Bioethanol is a fuel-grade ethanol made from trees, grasses, and waste materials. It represents a sustainable substitute for gasoline in today's passenger cars. Modeling and design of processes for making bioethanol are critical tools used in the U.S. Department of Energy's bioethanol research and development program. We use such analysis to guide new directions for research and to help us understand the level at which and the time when bioethanol will achieve commercial success. This paper provides an update on our latest estimates for current and projected costs of bioethanol. These estimates are the result of very sophisticated modeling and costing efforts undertaken in the program over the past few years. Bioethanol could cost anywherefrom $1.16 to $1.44 per gallon, depending on the technology and the availability of low cost feedstocks for conversion: to ethanol. While this cost range opens the door to fuel blending opportunities, in which ethanol can beused, for example, to improve the octane rating of gasoline, it is not currently competitive with gasoline as a bulk fuel. Research strategies and goals described in this paper have been translated into cost savings for ethanol. Our analysis of these goals shows that the cost of ethanol could drop by 40 cents per gallon over the next ten years by taking advantage of exciting new tools in biotechnology that will improve yield and performance in the conversion process.

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Documento generato il 31/03/20 alle ore 16:24:47