D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
92/57.3
D21C 1/02 (2006.01) D21C 11/06 (2006.01)
Patent
CA 1135100
Abstract of the Disclosure A method of cooking cellulose material and effectively preserving the heat and turpentine content of the cooking liquor. The cooking liquor is allowed to expand and the expansion steam (blow steam) is conveyed into a bed of cellulose material in a storage container to heat and impregnate the cellulose material before cooking. A heated zone is maintained in the bed of material below the surface of the bed by regulating the flow of expansion steam into the container. Uncondensed, evil-smelling and poisonous gases are at the same time prevented from flowing out into the atmosphere. These gases are drawn off from the storage container for destruction.
332628
Andersson Per-Erik
Kroneld Erik G.
Fetherstonhaugh & Co.
Obbola Linerboard Aktiebolag
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