Method of and an arrangement for pre-heating coking coal

Method of and apparatus for treating granular material

Method of and apparatus for treating granular material

Method of and device for heating finely divided solid particles

Method of burning calcined and uncalcined pulverous raw material

Method of burning granular or pulverulent raw material and kiln

Method of burning or sintering fine-grain material

Method of burning pulverous raw material and rotary kiln plant t

Method of burning pulverous raw material and rotary kiln plant t

Method of calcining minerals containing heat-value components

Method of calcining solid materials and single column kiln there

Method of cofiring hazardous waste in industrial rotary kilns

Method of discharging material from a rotary furnace

Method of heat treating a material

Method of heat treating fine granular material

Method of heat treating pulverulent or granular raw materials an

Method of heat-treating particles and apparatus therefor

Method of mixing high temperature gases in mineral...

Method of operating a rotary calciner retrofitted to coal-firing

Method of operating an open ring-type furnace