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Simulation analysis of Co-Pyrolysis of oil shale and wheat straw based on the combination of chain reaction kinetics and improved CPD models

机译：基于链式反应动力学组合及改进的CPD模型的油页岩和小麦秸秆共热解剖

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摘要

In order to fill in the blank of the prediction model about the co-pyrolysis of oil shale with biomass, we proposed a novel co-pyrolysis model based on chemical structure using improved chemical percolation devolatilization (CPD) with chain reaction kinetics (CRK). Three basic elements of aromatic cluster, aliphatic bridge, and oxygencontaining bridge are chosen as the representative structure units for building the simplified pseudo-grid model. According to the pyrolysis characteristic, we divided the model to five processes: the breakage of bridge bonds, the adsorption of free radicals, the reaction of aliphatic chains, the aromatization reaction and the cross-linking reaction, and described it through 14 reaction pathways and 18 reaction kinetic equations. The predicted results are compared with experimental results of fixed bed and thermogravimetry (TG) analysis, while the error is within a reasonable range indicating the accuracy and rationality of our model. We believe that this paper provides a deep understanding of the co-pyrolysis processes and discovery of the distribution characteristics of different kinds of pyrolytic intermediates and free radicals at an atomic level beyond what laboratory experiments could achieve.
机译：为了填补与生物量的油页岩共热分解的预测模型的空白，我们提出了一种基于化学结构的新型共热分解模型，利用链式反应动力学（CRK）改进的化学渗透脱挥发脱色（CPD）。选择芳香族簇，脂族桥和氧气侧桥的三个基本元素作为用于构建简化伪电网模型的代表性结构单元。根据热解特性，我们将模型划分为五个过程：桥梁粘合的破损，自由基的吸附，脂族链的反应，芳族化反应和交联反应，并通过14反应途径描述了它18反应动力学方程。将预测结果与固定床和热重率（TG）分析的实验结果进行比较，而误差在合理的范围内，这表明我们模型的准确性和合理性。我们认为，本文对不同种类的热解中间体的共热分解过程和发现在原子水平之外，对不同种类的热解中间体的分布特性和自由基的发现。

著录项

  • 来源
    《Energy Conversion & Management》 |2021年第9期|114405.1-114405.11|共11页
  • 作者

    Chen Bin; Yuan Mengxue; You Yulong; Wang Sha; Shen Jun; Han Xiangxin; Jiang Xiumin; Guo Yun;

  • 作者单位

    Shanghai Univ Engn Sci Sch Mech & Automot Engn Shanghai 201620 Peoples R China|Shanghai Jiao Tong Univ Inst Thermal Energy Engn Sch Mech Engn Shanghai 200240 Peoples R China;

    Shanghai Univ Engn Sci Sch Mech & Automot Engn Shanghai 201620 Peoples R China;

    Shanghai Jiao Tong Univ Inst Thermal Energy Engn Sch Mech Engn Shanghai 200240 Peoples R China;

    Shanghai Univ Engn Sci Sch Mech & Automot Engn Shanghai 201620 Peoples R China|Shanghai Jiao Tong Univ Inst Thermal Energy Engn Sch Mech Engn Shanghai 200240 Peoples R China;

    Shanghai Univ Engn Sci Sch Mech & Automot Engn Shanghai 201620 Peoples R China|Shanghai Jiao Tong Univ Inst Thermal Energy Engn Sch Mech Engn Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Inst Thermal Energy Engn Sch Mech Engn Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Inst Thermal Energy Engn Sch Mech Engn Shanghai 200240 Peoples R China;

    Shanghai Univ Engn Sci Sch Mech & Automot Engn Shanghai 201620 Peoples R China|Shanghai Jiao Tong Univ Inst Thermal Energy Engn Sch Mech Engn Shanghai 200240 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Oil shale; Co-pyrolysis; Chemical percolation devolatilization; Chain reaction kinetics;

    机译：油页岩;共热分解;化学渗透脱挥发化;链反应动力学;

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