期刊
BIORESOURCE TECHNOLOGY
卷 177, 期 -, 页码 328-336出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.11.072
关键词
Co-combustion; Biochar; Poultry litters; Biomass; Kinetic
资金
- TUBITAK [114M001]
In this study, the combustion behavior of different kinds of torrefied biomass ( lignocellulosic and animal wastes) and their blends with lignite was investigated via non-isothermal thermogravimetric method under air atmosphere. For comparison, combustion characteristics of raw biomasses were also determined. Torrefaction process improved the reactivity of char combustion step of biomasses. Characteristic combustion parameters for blends showed non-additivity behavior. It was found that the mixture of torrefied biomasses and lignite at a ratio of 1:1 had a lower ignition and burnout temperature than the coalonly sample. Although no interactions were observed between the lignite and torrefied biomass at initial step of combustion, a certain degree of interaction between the components occurred at char combustion step. Kinetic parameters of combustion were calculated by using the Coats Redfern model. Overall, this study showed that poultry litters can be used as a substitute fuel in coal/biomass co-firing systems by blending with lignocellulosic biomass. (C) 2014 Elsevier Ltd. All rights reserved.
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