Method and arrangement for torrefaction with controlled addition of cooling liquid to the torrefied material
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United States of America Patent
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Jan 31, 2017
Grant Date -
Nov 20, 2014
app pub date -
Nov 29, 2011
filing date -
Nov 29, 2011
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Abstract
The improved method and arrangement are for cooling torrefied lignocellulosic material. By adding water in controlled amounts to the torrefied material in a grinder at exit from a roaster the entire volume of torrefied material could be cooled down to a temperature well below the critical temperature without increasing the water content of the final product.
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