4.6 Article

Reaction-transport model for the pyrolysis of shrinking cellulose particles

期刊

CHEMICAL ENGINEERING SCIENCE
卷 74, 期 -, 页码 160-171

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2012.02.016

关键词

Renewable energy; Kinetics; Mathematical modelling; Chemical processes; Transport processes; Numerical analysis

资金

  1. Directorate For Engineering
  2. Emerging Frontiers & Multidisciplinary Activities [0937895] Funding Source: National Science Foundation

向作者/读者索取更多资源

A reaction-transport model is developed for the pyrolysis of cellulose particles. The model incorporates recently measured kinetic parameters, intra- and extra-particle heat transfer, and particle shrinkage as gaseous products are formed. Numerical predictions for measurable properties, including the temporal evolution of the residual mass and the final char yield, are validated through comparison to data from experiments, and strong agreement is found. Predicted char yields and effectiveness factors are presented for a wide range of parameters, and operating conditions are identified under which the process is transport- vs. reaction-controlled due to the limitations of intraparticle heat transport. (C) 2012 Elsevier Ltd. All rights reserved.

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