Nitrogen removal from molten metal by slags containing...
Non-toxic process for recovery of photographic silver
Novel liquid metal seal on zirconium or hafnium reduction appara
NOx reduction using coal based reburning
Operating a blast furnace using dried top gas
Operation method of furnace equipment for magnesium alloys
Oxygen injection method
Oxygen smelting of copper or nickel sulfides
Partial oxidation process including the concentration of vanadiu
Partial reduction of particulate iron ores and cyclone reactor
Particle-stabilized metal foam and its production
Plant and process for the production of pig iron and/or sponge i
Plant and process for the production of pig iron and/or...
Plant for the processing of molten steel and method for the oper
Plant for the production of molten metals and method
Pneumatic injection of powder or granule through submerged tuyer
Portable metal extraction machine and method of using
Pre-heating and pre-reduction of a metal oxide
Pre-treatment process for feed material for direct reduction...
Precious metals recovery process