Methods for reducing NOx in combustion flue gas using metal-containing additives
作者： Peter M. Maly , Jerald A. Cole , William Randall Seeker , Vladimir M. Zamansky , Vitali V. Lissianski
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摘要: Various methods for decreasing the amount of nitrogen oxides released to atmosphere as a component combustion gas mixtures are provided. The specifically provide removal nitric oxide and dioxide (NOx) from emitted stationary systems. In particular, improving efficiency reduction systems include injecting metal-containing compounds into main zone (22) and/or reburning (24) system. react with active species, these reactions change radical concentrations significantly improve NOx conversion molecular nitrogen. additives can be injected fuel (30), in (22), secondary or addition (36) at several locations (28) (26). Optionally, nitrogenous reducing agents overfire air (38) downstream (26) further increase reduction.
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