A - Human Necessities – 23 – K
Patent
A - Human Necessities
23
K
99/27
A23K 1/14 (2006.01) A23K 1/12 (2006.01)
Patent
CA 1112936
ABSTRACT OF THE DISCLOSURE Ligno-cellulose material such as aspen poplar wood, is rendered suitable for use as ruminant fodder by treating the material with saturated steam at elevated pressure in a digester. In order to enhance the yield of digestible product formed, whilst at the same time retaining economically favor- able process conditions, special process features are employed in feeding and discharging the material to and from the diges- ter, to avoid overheating the material, even locally. The material is maintained at or above the fibre moisture satura- tion point and is compacted, prior to entry into the digester. Then it is abruptly subjected to steam pressures and tempera- tures in the digester, so that it promptly decompresses and permits prompt and even steam penetration. For discharging, the treated material is mechanically compacted, its free moisture content maintained at or adjusted to at least the fibre saturation point, and then discharged in small batches with substantially instantaneous decompression and cooling.
295496
Gowling Lafleur Henderson Llp
Ontario Development Corporation
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