Journal of Siberian Federal University. Chemistry / Properties of Porous Carbon Materials Obtained by Alkaline Activation of Thermally Modified Aspen Wood

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Issue
Journal of Siberian Federal University. Chemistry. 2015 8 (1)
Authors
Mikova, Nadezhda M.; Ivanov, Ivan P.; Chesnokov, Nikolai V.; Kuznetsov, Boris N.
Contact information
Mikova, Nadezhda M.:Institute of Chemistry and Chemical Technology SB RAS 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia; Ivanov, Ivan P.:Institute of Chemistry and Chemical Technology SB RAS 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia; Chesnokov, Nikolai V.:Institute of Chemistry and Chemical Technology SB RAS 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia; Siberian Federal University 79 Svobodny, Krasnoyarsk, 660041, Russia; Kuznetsov, Boris N.:Institute of Chemistry and Chemical Technology SB RAS 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia; Siberian Federal University 79 Svobodny, Krasnoyarsk, 660041, Russia;E-mail:
Keywords
aspen wood; modification; pyrolysis; explosive autohydrolysis; alkaline activation; porous carbon; properties
Abstract

Изучено влияние термической предобработки древесины осины в условиях пиролиза и взрывного автогидролиза на текстурные и адсорбционные свойства пористых углеродных материалов (ПУМ), получаемых щелочной активацией модифицированных образцов. Предварительный пиролиз древесины при 300-400 °С в большей степени, чем автогидролиз при 170-200 °С, способствует развитию пористой структуры ПУМ. При оптимальных условиях процессов пиролиза и щелочной активации возможно получение ПУМ с удельной поверхностью около 3000 м2/г

The influence of thermal pretreatment of aspen wood at conditions of pyrolysis and explosive autohydrolysis on the texture and adsorption properties of porous carbon materials (PCM), obtained by alkaline activation of modified samples, was studied. Preliminary pyrolysis of wood at 300-400 °С promotes the development of porous structure of PCM in the higher degree as compared to explosive autohydrolysis at 170-200 °С. At optimal conditions of pyrolysis and alkaline activation processes it is possible to obtain PCM with specific surface area about 3000 m2/g

Pages
78-85
Paper at repository of SibFU
https://elib.sfu-kras.ru/handle/2311/16789