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Einfluß der Trocknungsbedingungen auf Emissionen bei der Holzspänetrocknung

: Becker, M.; Mehlhorn, L.


Holz als Roh- und Werkstoff 53 (1995), No.4, pp.209-214
ISSN: 0018-3768
Journal Article
Fraunhofer WKI ()
drying climate; emission; Holzpartikeltrocknung; Spänetrocknung; wood particle drying

In the production process of particleboards it is necessary to dry wood particles from their natural moisture to low and homogenous humidity contents. Pollution regulations are responsible for further restrictions to minimise particulate and gaseous, often odorous, emissions of the used dryers. The influences of different drying conditions in releasing or formation of volatile organic components are examined in a laboratory dryer by variation between tree species, temperature and velocity of the drying medium. Probes with gas humidity between dry air and superheated steam show differences in drying curves and volatizing of organic components.