Processing of ligno-cellulose materials
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United States of America Patent
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Dec 4, 2007
Grant Date -
Aug 11, 2005
app pub date -
Oct 16, 2002
filing date -
Nov 6, 2001
priority date (Note) -
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Abstract
A method of processing lignocellulosic material includes the steps of comminuting the material to a size that it can be processed in a hydrothermal pressure vessel, drying the material in moving air to obtain a specific moisture content, packing the material into the vessel and subjecting the material within the vessel to steam under pressure, decompressing the vessel to return the temperature and pressure to ambient and drying the product to specific moisture content; the product so formed can be used for injection moulding or to form panel boards and the like.
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