木質バイオペレットの熱分解・燃焼特性(<特集>バイオマス資源のエネルギー利用)

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From a viewpoint of environmental preservation and resource protection, the recycling of wastes has been promoting. Expectations to new energy resource are growing by decrease of fossil fuel. Biomass is one of new energies with prevent global warming. This study is an attempt to burn pelletized woody biomass (Bio-pellet) made from sawdust and logging residue in order to thermally recycle waste products of forestry and lumbering industry. The devolatilization property of Bio-pellet were observed by the thermogravimerty and differential thermal analysis (TG/DTA) to obtained fundamental data of Bio-pellet pyrolysis. The thermogravimetric analyzer was used to measure weight loss and temperature difference. It observed that the weight of Bio-pellet decreased under three stages with endothermic reaction during pyrolysis , and with exothermic reaction during combustion. The combustion behavior of Bio-pellets was observed in the electric furnace, where the video-recording and measurements of pellet temperature and weight were carried out at sequential steps of the combustion process. The effects of furnace temperature and pellet size were examined in order to elucidate the combustion characteristics of Bio-pellets, such as ignition delay, burning period, char-combustion time and the change of weight decrease and temperature rise. The results indicated that they are influenced at each step of the combustion process such as devolatilization, ignition, visible envelope flame combustion and char combustion.
一般社団法人日本エネルギー学会の論文
2004-10-20

木質バイオペレットの熱分解・燃焼特性(<特集>バイオマス資源のエネルギー利用)

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