Multi-Variate and Multi-Response Analysis of Hydrothermal Carbonization of Food Waste: Hydrochar Composition and Solid Fuel Characteristics
Multi-Variate and Multi-Response Analysis of Hydrothermal Carbonization of Food Waste: Hydrochar Composition and Solid Fuel Characteristics
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DOI：
10.3390/en15155342
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发表时间：
2022-07
期刊：
影响因子：
3.2
通讯作者：
Jaime E. Borbolla-Gaxiola;A. Ross;V. Dupont
中科院分区：
文献类型：
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作者：
Jaime E. Borbolla-Gaxiola;A. Ross;V. Dupont
为了最大限度地利用食物垃圾，有必要了解过程变量对产品分布的影响。到目前为止，还没有研究评估HTC的多个变量对食物浪费的影响。实验设计（DoE）的方法已被用来调查的产品分布和食品垃圾的HTC工艺流的组成的三个过程变量的影响。本文研究了水热炭化工艺条件对餐厨垃圾水热炭组成和利用性能的影响。采用中心组合旋转设计（CCRD）和响应面法（RSM）进行参数分析。采用Derringer意愿函数进行多响应评价。最佳工艺条件为：反应温度260.4 °C，反应时间29.5 min，固载量19.6%。预测的优化响应为EMC = 2.7%，SY = 57.1%，EY = 84.7%，艾德= 1.5，HHV为31.8 MJ/Kg，综合期望值为0.68。温度和固体负荷对所有评价的反应有显著影响，而反应时间不显著。
To maximize food waste utilization, it is necessary to understand the effect of process variables on product distribution. To this day, there is a lack of studies evaluating the effects of the multiple variables of HTC on food waste. A Design of Experiment (DoE) approach has been used to investigate the influence of three process variables on the product distribution and composition of process streams from the HTC of food waste. This work evaluates the effect of hydrothermal carbonization process conditions on the composition and utilization capabilities of hydrochar from food waste. Parametric analysis was carried out with a design of experiments of central composite rotatable design (CCRD) and response surface methodology (RSM). Derringer’s desirability function was employed to perform a multi-response evaluation. The optimized process conditions were 260.4 °C, 29.5 min reaction time, and 19.6% solid load. The predicted optimized responses were EMC = 2.7%, SY = 57.1%, EY = 84.7%, ED = 1.5, and HHV of 31.8 MJ/Kg, with a composite desirability of 0.68. Temperature and solid load had a significant effect on all evaluated responses, while reaction time was non-significant.