Record Display for the EPA National Library Catalog
RECORD NUMBER: 265 OF 533Main Title | Infared spectroscopic study of gas-solid interactions : final report / | ||||||||||||||||
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Author | Burton, James S. ; Burto, James S. | ||||||||||||||||
CORP Author | General Technologies Corp., Reston, Va. | ||||||||||||||||
Publisher | General Technologies Corp., | ||||||||||||||||
Year Published | 1969 | ||||||||||||||||
Report Number | PB-182 988 | ||||||||||||||||
Stock Number | PB-182 988 | ||||||||||||||||
OCLC Number | 40486281 | ||||||||||||||||
Additional Subjects | ( Waste gases ; Absorption) ; ( Sulfur compounds ; Air pollution) ; ( Infrared spectroscopy ; Waste gases) ; Dioxides ; Limestone ; Oxidation ; Spectra(Infrared) ; Reaction kinetics ; Combustion ; Sulfur dioxide | ||||||||||||||||
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Collation | viii, 100 columns : ill., facsims. | ||||||||||||||||
Abstract | Infrared spectroscopy was applied to the study of gas--solid interactions between sulfur dioxide in a simulated flue gas and various solid absorbents. In situ spectroscopic studies have been conducted in a high-temperature infrared cell up to 300C. By measuring the integrated intensities of the sulfate absorption band of the reacted product, it was possible to calculate the rates at which limestone adsorbed sulfur dioxide from a simulated flue gas at 262C. An activation energy of 11.8 kcal/mole was calculated for the adsorption process. These studies combined with the recorded spectra of various limestone samples before and after exposure to sulfur dioxide at 750 and 1800F. showed that the most probable reaction mechanism of samples exposed at 750F. was adsorption of sulfur dioxide as sulfite and the oxidation of the sulfite to sulfate. At temperatures above 1800F., the oxidation of sulfite to sulfate was very rapid and only sulfate was detected in the spectrum of the reacted samples. In addition, a proposed design is presented for conducting the infrared studies in the 1600 - 2000F. temperature region. Preliminary investigations were also conducted on the mechanism of dead-burning. The results have shown that the silicates probably play a role in the dead-burning process. (Author) |
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Notes | "January 1969." "PB-182 988." "APTD-1260." Includes bibliographical references (97-98) |