Process for upgrading low-quality wood

A process for upgrading low-quality wood to high-quality wood comprising the following stages: a) softening the wood by directly heating it electrically in the presence of a softening agent at a pressure of at least the equilibrium vapor pressure of the softening agent at the operating temperature;...

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Bibliographische Detailangaben
Hauptverfasser:	REM, PETER C, RUYTER, HERMAN P, VAN DER POEL, HANS
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS PHYSICS PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR SIGNALLING TRAFFIC CONTROL SYSTEMS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	A process for upgrading low-quality wood to high-quality wood comprising the following stages: a) softening the wood by directly heating it electrically in the presence of a softening agent at a pressure of at least the equilibrium vapor pressure of the softening agent at the operating temperature; b) drying the softened wood; c) curing the dried wood; and d) cooling the cured wood.