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Reactions between calcium oxide and flue gas containing sulfur dioxide at lower temperatures
Author(s) -
Hartman M.,
Trnka O.
Publication year - 1993
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.690390410
Subject(s) - flue gas desulfurization , sulfur dioxide , chemistry , flue gas , calcium oxide , reaction rate , atmospheric temperature range , inorganic chemistry , sulfur , chemical engineering , thermodynamics , oxide , analytical chemistry (journal) , chromatography , organic chemistry , catalysis , physics , engineering
An experimental study has been performed of the reactions occurring when the reactive particles of calcium oxide are exposed to sulfur dioxide bearing flue gas. Using a differential, fixed‐bed reactor, kinetic measurements have been made in the temperature range of 170 and 580°C. A relatively simple correlation based on the amassed data has been proposed. This correlation allows the estimation of the reaction rate as a function of temperature, conversion of the solids and concentration of sulfur dioxide in the gas phase. The proposed rate law equation makes it possible to predict in a straightforward manner the rate of sorption which would be required to design the performance of a desulfurization unit.