Bridging particle and reactor scales in the simulation of biomass fast pyrolysis by coupling particle resolved simulation and coarse grained CFD-DEM
[1];
[2];
- National Energy Technology Lab. (NETL), Morgantown, WV (United States); West Virginia Univ. Research Corporation, Morgantown, WV (United States)
- National Energy Technology Lab. (NETL), Morgantown, WV (United States); Leidos Research Support Team, Morgantown, WV (United States)
- National Energy Technology Lab. (NETL), Morgantown, WV (United States)
Efficient utilization of biomass is challenging due to the complexity of the feedstock at molecular, particle, and reactor scales. Direct coupling of particle scale model and reactor scale simulation is computationally infeasible. In this work, the results from a particle resolved simulation were used to calibrate the heat transfer and reaction kinetics of particles. A hybrid drag model was used to consider the different fluidization properties of sands and biomass particles. The computation cost was reduced using a coarse-grained Discrete Element Method (DEM). The simulated conversion rate, char yield, tar yield, and pyrolysis gas yield compare well with experiment. The residence time and axial distributions of biomass were also analyzed. This novel multi-scale method provides an efficient and accurate tool for the modeling of biomass pyrolysis reactors.
- Research Organization:
- National Energy Technology Laboratory (NETL), Morgantown, WV (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Bioenergy Technologies Office; USDOE Office of Fossil Energy (FE)
- Contributing Organization:
- Feedstock-Conversion Interface Consortium (FCIC)
- OSTI ID:
- 1635631
- Journal Information:
- Chemical Engineering Science, Journal Name: Chemical Engineering Science Vol. 216; ISSN 0009-2509
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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