Numerical investigation of in situ gasification chemical looping combustion of biomass in a fluidized bed reactor

Weijie Yin, Shuai Wang, Kai Zhang and Yurong He

Renewable Energy, 2020, vol. 151, issue C, 216-225

Abstract: In-situ gasification chemical looping combustion (iG-CLC) depends on the solid fuel gasification rate and the contact between gasification products and oxygen carriers. In this work, a three-dimensional simulation is carried out to investigate the iG-CLC performance of biomass in a fluidized bed reactor by means of the multi-fluid model with the bubble-based bi-disperse drag model to consider the bubble effect on the interphase drag force. The model can give a reasonable prediction on the experimental results. The result reveals that an increase of operating pressure of 0.2 MPa can promote the CO2 yield by 5%, whereas the change of the feed port height from the reactor bottom also greatly influences the outlet gas compositions.

Keywords: Chemical looping combustion; Fluidized bed; Computational fluid dynamics; Biomass (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:151:y:2020:i:c:p:216-225

DOI: 10.1016/j.renene.2019.11.016

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