The conversion of biomass to ethanol using geothermal energyderived from hot dry rock to supply both the thermal and electricalpower requirements
Brown, D.
Energy Conversion Engineering Conference, 1997. IECEC-97., Proceedings of the 32nd Intersociety
Volume 3, Issue , 27 Jul-1 Aug 1997 Page(s):1826 - 1830 vol.3
Digital Object Identifier 10.1109/IECEC.1997.656700
Summary:The potential synergism between a hot dry rock (HDR) geothermal
energy source and the power requirements for the conversion of biomass
to fuel ethanol is considerable. In addition, combining these two
renewable energy resources to produce transportation fuel has very
positive environmental implications. One of the distinct advantages of
wedding an HDR geothermal power source to a biomass conversion process
is flexibility, both in plant location and in operating conditions. The
latter obtains since an HDR system is an engineered system, where the
surface fluid production and injection conditions of flow rate,
pressure, temperature, and water chemistry are under the control of the
operator. The former obtains since, unlike a naturally occurring
geothermal resource, the HDR resource is very widespread, particularly
in the western US, and can be developed near transportation and
plentiful supplies of biomass
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