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Correlative HHV prediction from proximate and ultimate analysis of char obtained from co-cracking of residual fuel oil with plastics
Korean Journal of Chemical Engineering ( IF 2.9 ) Pub Date : 2021-06-17 , DOI: 10.1007/s11814-021-0790-8
Pamreishang Kasar , Md. Ahmaruzzaman

It is imperative to know the energy content of the char to ascertain its application, which is environmentally friendly and efficient. In this context, the higher heating values (HHV) of the char resulting from the co-cracking of residual fuel oil (RFO) with various other waste plastics have been determined experimentally. Experimental results of the proximate and ultimate analysis of the char obtained from the co-cracking process were used to estimate the higher heating values (HHV) using eight different correlation models. The char obtained from the co-cracking of RFO and polypropylene (PPI) was found to have higher heating values (HHV) of 31.02 MJ/kg, while the HHV of Bakelite (BL) showed 23.56 MJ/kg. The best among the proximate correlations considered in this study resulted in the coefficient (R2) of 0.971, the average bias of −0.68%, and absolute error of 1.70%. The most relevant among the ultimate correlation models resulted in the coefficient of determination (R2) of 0.980, whereas the average and absolute bias errors were found to be −1.29% and 0.25%, respectively. The proximate and ultimate analysis of the chars reveals a direct interaction between the reactive species during the co-cracking of RFO with various types of plastic waste used in the study.



中文翻译:

残余燃料油与塑料共裂化所得炭的近似和最终分析的相关 HHV 预测

必须了解炭的能量含量才能确定其应用,这既环保又高效。在这种情况下,通过实验确定了由残余燃料油 (RFO) 与各种其他废塑料共裂化产生的炭的较高热值 (HHV)。从共裂化过程中获得的炭的近似和最终分析的实验结果被用于使用八种不同的相关模型来估计较高的热值 (HHV)。发现从 RFO 和聚丙烯 (PPI) 共裂解获得的炭具有较高的热值 (HHV),为 31.02 MJ/kg,而电木 (BL) 的 HHV 显示为 23.56 MJ/kg。在本研究中考虑的近似相关中最好的导致系数 (R 2) 为 0.971,平均偏差为 -0.68%,绝对误差为 1.70%。最终相关模型中最相关的决定系数 (R 2 ) 为 0.980,而平均和绝对偏差误差分别为 -1.29% 和 0.25%。焦炭的近似和最终分析揭示了在 RFO 与研究中使用的各种类型的塑料废物共同裂解期间反应性物质之间的直接相互作用。

更新日期:2021-06-18
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