...F S SINNATT; R REDMAYNE; C H LANDER; E F ARMSTRONG; R LESSING; H L PIRIE; J G BENNETT; A C WALSH; G W ANDERSON; C HINDLEY PROBLEMS UTILISATION COAL USE SEAMS CLEANING PULVERISED BURNING BURNERS CARBONISATION METHODS FUEL ENERGY RESEARCH HYDROGENATION ECONOMICS EFFICIENCY PLANT...

... the pulverized-coal particles a t as low a velocity as possible, and by keeping thearea of the burner-opening small in comparison with the surface of the surrounding furnace walls. The ignition space should be reduced in size by conserving theheat received byradiation from the walls ; this could be achieved...