Method for refining molten metal bath to control nitrogen

Method for refining of steel melts

Method for refining precious metals

Method for refining steel

Method for refining very small heats of molten metal

Method for remelting reactive metals

Method for removal of plutonium impurity from americium oxides a

Method for removing boron from silicon

Method for removing impurities in liquid metal

Method for removing iron contamination from magnesium

Method for removing oil from mill scale and recovering metallic

Method for removing undesired elements, particularly H.sub.2 and

Method for removing zinc from zinc-containing slags

Method for removing zinc type metals and compounds in dust recov

Method for resources recovery from refractory carbonaceous magma

Method for roasting finely divided sulphide material consisting

Method for scrubbing the flues and for recovering _the salts in

Method for selective reduction of metallic oxides

Method for separating a mixture of molten oxidized ferrophosphor

Method for separating cobalt, nickel and the like from alloys