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The report relates the implementation of a wood roasting demonstration unit with a nominal capacity of 15 000 T/year. Roasted wood is an intermediate product between raw wood and charcoal. Compared to the latter, it has the advantage of being less crumbly and dirty, it lights easily and does not take moisture back. Roasted wood may be used as a reducing agent in electrometallurgy or as a fuel, notably for barbecuing and for cooking in the developing countries. The process used is a low temperature (about 280 C) pyrolysis of wood chips in a vessel with heat transfer by conduction. The demonstration project has proved the technical reliability of the process and has led to a definition of the economic viability limits.

Additional information

Authors: DREYER J L, Le bois torréfié du Lot, Laval-de-Cère, Bretenoux (FR)
Bibliographic Reference: EUR 12092 FR/EN (1989) FS, 84 pp., ECU 7.50
Availability: (2)
ISBN: ISBN 92-825-9455-8;CD-NA-
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