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Full-Text Articles in Physical Sciences and Mathematics

Economic Analysis Of Cellulase Production Methods For Bio-Ethanol, Jun Zhuang, Mary A. Marchant, Sue E. Nokes, Herbert J. Strobel Jan 2007

Economic Analysis Of Cellulase Production Methods For Bio-Ethanol, Jun Zhuang, Mary A. Marchant, Sue E. Nokes, Herbert J. Strobel

Biosystems and Agricultural Engineering Faculty Publications

The cost of cellulase enzymes has limited the feasibility of producing ethanol from fibrous biomass. Traditional submerged fermentation (SmF) was compared to an alternative method of producing cellulase, solid state cultivation (SSC). Results from an economic analysis indicated that the unit costs for cellulase enzyme production were $15.67 (The prices are all 2004 prices in this article, except otherwise stated. We deflated newer prices to 2004 prices using a deflation factor 0.9 per year and inflated older prices to 2004 prices using an inflation factor 1.1.) per kilogram ($/kg) and $40.36/kg, for the SSC and SmF methods, respectively, while the …


Kentucky Water Resources Research Institute Annual Technical Report Fy 2006, Kentucky Water Resources Research Institute, University Of Kentucky Jan 2007

Kentucky Water Resources Research Institute Annual Technical Report Fy 2006, Kentucky Water Resources Research Institute, University Of Kentucky

KWRRI Annual Technical Reports (USGS’s 104b Grant Program)

The 2006 Annual Technical Report for Kentucky consolidates reporting requirements of the Section 104(b) base grant award into a single techincal report that includes: 1) a synopsis of each student research enhancement project conducted during the period, 2) citations for related reports and presentations, 3) a description of information transfer activities, 4) a summary of student support during the reporting period, 5) notable awards and achievements during the year, and 6) publications from prior projects.