Systematic evaluation of pyrolysis processes and biochar quality in the operation of low-cost flame curtain pyrolysis kiln for sustainable biochar production
Systematic evaluation of pyrolysis processes and biochar quality in the operation of low-cost flame curtain pyrolysis kiln for sustainable biochar production
复制标题
DOI：
10.1016/j.crsust.2023.100213
复制
发表时间：
2023-03-27
影响因子：
4.4
通讯作者：
Masek, Ondrej
中科院分区：
文献类型：
--
作者：
Jayakumar, Anjali;Morrisset, David;Masek, Ondrej
火焰幕热解窑等低成本热解装置在生物炭生产中越来越受欢迎。然而，控制这些单元工作的流程还没有被很好地理解。在这里，在窑炉运行过程中实时监测排放、温度和质量损失，然后进行广泛的生物炭采样。我们发现，通过调整窑炉运行期间原料的分层率，我们可以获得与连续规模热解装置中相同原料生产的生物炭产量（28 wt%，固定碳含量为 65 wt%）相当，这凸显了优化窑炉运行的系统指南的重要性。
Low-cost pyrolysis units such as flame curtain pyrolysis kilns are gaining popularity for biochar production. However, the processes that govern the working of such units are not well understood. Here, emissions, tem- peratures and mass loss are monitored in real-time during kiln operation, followed by extensive biochar sam- pling. We found that by adjusting the layering rates of feedstock during kiln operation, we can obtain a biochar yield (28 wt% with a fixed carbon content of 65 wt%) comparable to that produced from the same feedstock in a continuous-scale pyrolysis unit, highlighting the importance of systematic guidelines for optimal kiln operation.