translate English to French: scale studies employing a 0.8 m diam. refractory tunnel furnace, a light distillate oil was fired through a pressure jet burner which was supplied with combustion air in primary and secondary stages, and in some tests, with tertiary air as well.
Dans la documentation limitée dont on dispose sur la façon dont les interactions soufre-azote influent sur la formation de NOx dans les flammes, on trouve une importante étude conduite par Nimmo et al., (1998).