Us4259081a Process Of Calcining Limestone In A Rotary
A process for the calcining oflimestoneor hydratedlimeby thermal treatment thereof with hot gases in a rotarykilnthrough which thekilnatmosphere and thechargeare countercurrently passed whichkilnis fed with solid carbonaceous fuel is described the invention resides in introducing an oxygencontaining gas into a horizontal region across the rotarykilndefined by a point along
