Change in Relaxation State of Polymer Components of Wood During its High-Temperature Biorefining


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The change in relaxation state of polymer components of wood during its high-temperature biorefining and extrusion briquetting and subsequent heating at 380-450°C, i.e., above the thermal decomposition temperature of wood, is analyzed. It is demonstrated that the system can be translated into brittle state by changing the moisture content of the wood and treatment temperature and into forced plastic state by subsequent moistening, heating, and compression-shearing. Carbonization and activation of charcoal briquettes can be combined by subsequent low-temperature pyrolysis in controlled vaporgas environment conditions.

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E. Akim

St. Petersburg State University of Industrial Technologies and Design

编辑信件的主要联系方式.
Email: akim-ed@mail.ru
俄罗斯联邦, St. Petersburg

Yu. Mandre

St. Petersburg State University of Industrial Technologies and Design

Email: akim-ed@mail.ru
俄罗斯联邦, St. Petersburg

A. Pekarets

St. Petersburg State University of Industrial Technologies and Design; Forest Technology Company LLC

Email: akim-ed@mail.ru
俄罗斯联邦, St. Petersburg; Kachug, Irkutsk Region

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