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Mechanism Study on N2O Reduced with Biomass Gas

The reduction of N2O by adding biomass gas as reburning fuel is studied on a small-scale vertical reactor tube and experimental results are analyzed using the theory of chemical kinetics. The result showed that for the flue gas containing a certain concentration of N2O, when the biomass gas contained H2, CH4, CO and CO2 was used, the reburning fuel ratio should be more than 1.4%. The decomposition of N2O is caused by free radicals, including H and OH in the process.