Improved method for filtering molten aluminum and molten...
Improved method for metal recovery and leaching agent...
Improved method for separating solids from the liquid in...
Improved method to remove antimony from copper electrolytes
Improved molten metal charge well
Improved thiosulphate leach process
Improvement to silver and gold leaching method with thiourea...
Improvements in and relating to processing materials
Improvements in composite briquettes for electric furnace...
Improvements in refining
Improvements to precious metals recovery from ores
Improving the recovery of precious metals from recalcitrant...
In-line salt refining of molten aluminium alloys
In-situ chemical reactor for recovery of metals or...
Indirect reduction of oxidized zinc ores
Indium purification using barium sulphate, strontium...
Indium purification using proteinaceous materials
Indium recovery
Induction furnace for a metal reduction and melting process
Induction melting of metals without a crucible