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Modeling and simulation of an entrained flow coal gasifier
Author(s) -
Govind Rakesh,
Shah Jogen
Publication year - 1984
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690300113
Subject(s) - wood gas generator , coal , coal slurry , slurry , coal water , coal gasification , waste management , environmental science , flow (mathematics) , petroleum engineering , mechanics , momentum (technical analysis) , coal liquefaction , liquefaction , chemistry , thermodynamics , engineering , environmental engineering , physics , finance , economics
A mathematical model has been developed to simulate the Texaco downflow entrained‐bed pilot‐plant gasifier using coal liquefaction residues and coal‐water slurries as feedstocks. This model describes the physical and chemical processes occurring in an entrained coal gasifier. The gasification kinetics describes different complex reactions occurring in the gasifier and the hydrodynamics describes mass, momentum and energy balances for solid and gas phases. Temperature, concentration and velocity profiles along the reactor height were obtained by solving the mass, momentum and energy balances. Parameter studies were made to provide a better understanding of the reactor performance for various inlet feed conditions utilizing the model.