Economic evaluations of bioconversion processes for producing sugars from lignocellulosic biomass can assist in the indentification of areas for investigation, and appraisal of the potential of the technology. The Forintek economic analysis of comparative cost serves that purpose. A similar case is the Monte Carlo simulation (Douglas, 1986) used by the Solar Energy Research Institute (SERI). The Forintek analysis uses a Lotus spreasheet to eliminate the less profitable processes, leaving the more efficient processes for further analysis. In particular, comparing the cost of various factors such as temperature, duration, addition of catalysts and post steam pretreatment. The analysis will guide subsequent work of model building. The spreadsheet is used as a record of data on technical and economic characteristics of processes, and also serves for documentation, and communication.
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