Environmental Engineering Reference
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the optimal temperature for the ozone injection technology, based on the present
results, should be lower than 473 K. Meanwhile, only 0.09 s of residence time is
needed. The temperature range that exists behind the air preheater is feasible and
convenient for retrofitting boilers equipped with a WFGD system.
Fig. 3.10 NO oxidation property with ozone added at different temperatures
Fig. 3.11 By-products of NO oxidation by ozone at 473 K
Fig. 3.12 Ozone decomposition rate at different temperatures
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