The processes of formation of nitrogen oxides in the boiler furnace BKZ 320-140 N.V. Vizgavljust, A.V. Starchenko, A.V. Gil and T.S. Taylasheva EPJ Web of Conferences, 82 (2015) 01040 Published online: 20 January 2015 DOI: 10.1051/epjconf/20158201040