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Leduc, S., Schmid, E., Obersteiner, M., and Riahi, K.,.
(2009): Methanol production by gasification using a geographically explicit model
BIOMASS BIOENERG, 33/3, 745-751; ISSN 0961-9534 FullText FullText_BOKU

Methanol mixed with 15% gasoline appears to be a viable alternative energy source for the transportation sector. Produced from gasification of certified wood coming from well-managed forests, its production could be considered as sustainable and the well-to-wheel emissions can be reduced significantly. The physical flows of the entire bio-energy chain consisting of harvesting, biomass transportation, methanol production by gasification, methanol transportation, and methanol distribution to the consumers are assessed and costs are estimated for each part of the chain. A transportation model has been constructed to estimate the logistic demands of biomass supply to the processing plant and to the supply of gas station. The analysis was carried out on a case study for the geography of Baden-Wurttemberg, Germany. It has been found that a typical optimal size for methanol production of some 130,000 m 3, supplies about 100 gas stations, and the biomass supply requires on average 22,000 ha of short-rotational poplar, with an average transportation distance of biomass of some 50 km to the methanol processing plant. The methanol production costs appear to be most sensitive with respect to methanol plant efficiency, wood cost, and operating hours of the plant. In an area where biomass is spread heterogeneously, apart from the demand, the geographical position of the plant would appear to have a major impact on the final biofuel cost. (C) 2008 Elsevier Ltd. All rights reserved.
Authors BOKU Wien:
Schmid Erwin

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