Published 8 issues per year
ISSN Print: 2150-3621
ISSN Online: 2150-363X
Indexed in
REVIEW OF RECENT ADVANCES IN PROCESS MODELING AND COMPUTATIONAL FLUID DYNAMICS SIMULATION OF CHEMICAL-LOOPING COMBUSTION
ABSTRACT
The paper presents a review of recent advances in system-level simulations and computational fluid dynamics (CFD) simulations of the Chemical-Looping Combustion (CLC) process. Process-level simulations are presented for CLC using Aspen Plus and the inflow rates are optimized to maximize energy output. The multi-stage fuel reaction concept is demonstrated to address the slow char gasification when solid coal is used as fuel. The development of the multiphase modeling process for CFD simulations of a CLC reactor is reviewed, and the utility of the various drag models that account for the solid-gas interaction is discussed. The review is concluded with a complete multiphase CFD simulation of reacting flow in a CLC reactor that ties together the various developments in this field in the current literature. The work presented in this paper provides valuable insights into the various process and design optimizations critical to the efficient operation and performance of the CLC process.
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