One-Dimensional Biomass Fast Pyrolysis Model with Reaction Kinetics Integrated in an Aspen Plus Biorefinery Process Model

Abhijit Dutta, David Humbird, Anna Trendewicz, Robert Braun

Research output: Contribution to journalArticlepeer-review

39 Scopus Citations

Abstract

A biomass fast pyrolysis reactor model with detailed reaction kinetics and one-dimensional fluid dynamics was implemented in an equation-oriented modeling environment (Aspen Custom Modeler). Portions of this work were detailed in previous publications; further modifications have been made here to improve stability and reduce execution time of the model to make it compatible for use in large process flowsheets. The detailed reactor model was integrated into a larger process simulation in Aspen Plus and was stable for different feedstocks over a range of reactor temperatures. Sample results are presented that indicate general agreement with experimental results, but with higher gas losses caused by stripping of the bio-oil by the fluidizing gas in the simulated absorber/condenser. This integrated modeling approach can be extended to other well-defined, predictive reactor models for fast pyrolysis, catalytic fast pyrolysis, as well as other processes.

Original languageAmerican English
Pages (from-to)2463-2470
Number of pages8
JournalACS Sustainable Chemistry and Engineering
Volume5
Issue number3
DOIs
StatePublished - 6 Mar 2017

Bibliographical note

Publisher Copyright:
© 2017 American Chemical Society.

NREL Publication Number

  • NREL/JA-5100-67468

Keywords

  • Aspen Custom Modeler
  • Aspen Plus
  • Entrained flow
  • Fast pyrolysis
  • Predictive model
  • Reactor model

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