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ADVANCED OXIDATION PROCESSES - TEST OF A KINETIC MODEL FOR THE OXIDATION OF ORGANIC COMPOUNDS WITH OZONE AND HYDROGEN IN A SEMIBATCH REACTOR
Citation:
Glaze, W. AND J. Kang. ADVANCED OXIDATION PROCESSES - TEST OF A KINETIC MODEL FOR THE OXIDATION OF ORGANIC COMPOUNDS WITH OZONE AND HYDROGEN IN A SEMIBATCH REACTOR. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-89/517.
Description:
Experimental data are presented to test a kinetic model of the O3/H2O2 process in a semibatch reactor. he effect of bicarbonate and carbonate ions is measured and found to be in concurrence with model predictions. he effect of pH in the ozone mass-transfer-limited-region was examined in bicarbonate-spiked distilled water. Since the reaction is mass transfer limited, the primary effect above pH 7 is the result of changes in the distribution of inorganic carbon species which are OH-radical scavengers. elow pH 7, there is a lag period during which ozone and peroxide increase until the chain reaction begins. he effects of chloride ion and the concentration of radical scavengers other than carbonate species in ground waters are also measured. he mass-transfer/reaction rate model has been used to estimate rate constants for the reaction of hydroxyl radicals with trichloroethylene, 1,2-dibromo-ethane, l,2-dibromo-3-chloropropane, carbon tetrachloride, and two bicyclic alcohols, 2-methylisoborneol and geosmin.