Investigating the potential for a self-sustaining slow pyrolysis system under varying operating conditions
Investigating the potential for a self-sustaining slow pyrolysis system under varying operating conditions
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DOI：
10.1016/j.biortech.2014.03.134
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发表时间：
2014-06-01
影响因子：
11.4
通讯作者：
Masek, Ondrej
中科院分区：
文献类型：
--
作者：
Crombie, Kyle;Masek, Ondrej
这项工作旨在研究最高处理温度（HTT）、加热速率、载气流量和原料对热解气体的成分和能量含量的影响，以评估是否可以通过仅燃烧气体馏分来实现自持系统，从而使其他副产品可用于替代的高价值用途。基于气体成分的计算表明，热解过程可以仅通过热解气体中包含的能量来维持。 >= 450 摄氏度的热解超过了能量下限（6% 生物质高热值 (HHV)），而只有 650 摄氏度的 HTT 始终满足能量上限（15% 生物质 HHV）。这些发现填补了与生物炭生产热解系统能量平衡相关的文献中的一个重要空白，并表明，至少从能量平衡的角度来看；自持缓慢热解联产生物炭和液体产品是可行的。 (C) 2014 Elsevier Ltd. 保留所有权利。
This work aimed to investigate the impact of highest treatment temperature (HTT), heating rate, carrier gas flow rate and feedstock on the composition and energy content of pyrolysis gas to assess whether a self-sustained system could be achieved through the combustion of the gas fraction alone, leaving other co-products available for alternative high-value uses. Calculations based on gas composition showed that the pyrolysis process could be sustained by the energy contained within the pyrolysis gases alone. The lower energy limit (6% biomass higher heating value (HHV)) was surpassed by pyrolysis at >= 450 degrees C while only a HTT of 650 degrees C consistently met the upper energy limit (15% biomass HHV). These findings fill an important gap in literature related to the energy balance of the pyrolysis systems for biochar production, and show that, at least from an energy balance perspective; self-sustained slow pyrolysis for co-production of biochar and liquid products is feasible. (C) 2014 Elsevier Ltd. All rights reserved.