Method of drying lignocellulose material
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United States of America Patent
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-
Nov 23, 2004
Grant Date -
N/A
app pub date -
May 31, 2002
filing date -
Dec 3, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods for drying fibrous lignocellulosic material are provided in connection with the manufacture of fiberboard. The fibrous material is transported with a first drying gas through a first drying line to a first cyclone where the first drying gas in conducted away from the fibrous material. Thereafter, the material is transported with a second drying gas through a second drying line to a second cyclone, where the second drying gas is conducted away while the fibrous material is advanced to a subsequent step. The second drying gas, which is conducted away from the second cyclone, is recirculated to the first drying step and used as a portion of the first drying gas. A portion of the first drying gas, which is conducted away from the first cyclone, is recirculated and used as drying gas at the first drying step.
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