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Title:
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Thermochemical conversion of willow from short rotation forestry
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Author(s):
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Published by:
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Publication date:
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ECN
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1-2-2000
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ECN report number:
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Document type:
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ECN-C--00-028
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ECN publication
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Number of pages:
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Full text:
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21
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Download PDF
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Abstract:
This report is one of three technical reports that are to form the basisof a written guide to energy from willow - the REGROW Guide. Several
thermochemical conversion technologies that are most relevant for energy
production from willow biomass are described. The other two technical reports
cover the production of willow and its pre-treatment prior to energy
conversion and are written by the Swedish University of Agricultural Science
(SLU) and the Scottish Agricultural College (SAC), respectively. A broad
variety of conversion technologies are available. Combustion technology is
already applied commercially, whereas gasification and pyrolysis are still in
a demonstration stage. If only heat is generated, combustion appears most
suitable. If electricity is to be produced at high efficiency, gasification
and pyrolysis are promising options. The latter (with flash pyrolysis as an
exception) is applied for contaminated streams rather than clean biomass such
as willow from short rotation forestry. The respective suitability of the
different available technologies depends on the type of fuel to be used (e.g.
moisture content, ash content, particle size), the capacity of the
installation (small-scale or large-scale application), and the envisaged
product (heat, electricity, CHP). 19 refs.
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