期刊
BIORESOURCE TECHNOLOGY
卷 116, 期 -, 页码 471-476出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.03.122
关键词
Torrefaction; Response surface methodology; Severity factor; Energy value; Energy yield
资金
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Korea government Ministry of Knowledge Economy [20103020090040]
- Priority Research Centers Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2011-0018393]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20103020090040] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The optimal conditions for the torrefaction of mixed softwood were investigated by response surface methodology. This showed that the chemical composition of torrefied biomass was influenced by the severity factor of torrefaction. The lignin content in the torrefied biomass increased with the SF, while holocellulose content decreased. Similarly, the carbon content energy value of torrefied biomass ranged from 19.31 to 22.12 MJ/kg increased from 50.79 to 57.36%, while the hydrogen and oxygen contents decreased. The energy value of torrefied biomass ranged from 19.31 to 22.12 MJ/kg. This implied that the energy contained in the torrefied biomass increased by 4-19%, when compared with the untreated biomass. The energy value and weight loss in biomass slowly increased as the SF increased up until 6.12; and then dramatically increased as the SF increased further from 6.12 to 7.0. However, the energy yield started decreasing at SF value higher than 6.12; and the highest energy yield was obtained at low SF. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
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