Uncertainty in techno-economic estimates of cellulosic ethanol production due to experimental measurement uncertainty

@inproceedings{Vicari2012UncertaintyIT,
  title={Uncertainty in techno-economic estimates of cellulosic ethanol production due to experimental measurement uncertainty},
  author={Kristin Jenise Vicari and Sai Sandeep Tallam and Tatyana A Shatova and Koh Kang Joo and Christopher J. Scarlata and David Humbird and Edward Wolfrum and Gregg T Beckham},
  booktitle={Biotechnology for biofuels},
  year={2012}
}
UNLABELLED BACKGROUND Cost-effective production of lignocellulosic biofuels remains a major financial and technical challenge at the industrial scale. A critical tool in biofuels process development is the techno-economic (TE) model, which calculates biofuel production costs using a process model and an economic model. The process model solves mass and energy balances for each unit, and the economic model estimates capital and operating costs from the process model based on economic… CONTINUE READING
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GlucoseNo subtypeXylose
We perform a sensitivity analysis on the TE model and identify the feedstock composition and conversion yields from three unit operations ( xylose from pretreatment , glucose from enzymatic hydrolysis , and ethanol from fermentation ) as the most important variables .
The uncertainty in the pretreatment xylose yield arises from multiple measurements , whereas the glucose and ethanol yields from enzymatic hydrolysis and fermentation , respectively , are dominated by a single measurement : the fraction of insoluble solids ( fIS ) in the biomass slurries .
XyloseNo subtypeGlucose
The uncertainty in the pretreatment xylose yield arises from multiple measurements , whereas the glucose and ethanol yields from enzymatic hydrolysis and fermentation , respectively , are dominated by a single measurement : the fraction of insoluble solids ( fIS ) in the biomass slurries .
We perform a sensitivity analysis on the TE model and identify the feedstock composition and conversion yields from three unit operations ( xylose from pretreatment , glucose from enzymatic hydrolysis , and ethanol from fermentation ) as the most important variables .
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