INTELLIGENT SYSTEM FOR CONTROLLING OPERATIONAL PARAMETERS OF A SMELTING FURNACE

Process and system for recycling E-waste material

Method and carrier for transporting reductant such as coke into a metallurgical furnace and production method of the carrier

Manufacturing method of crude copper from low-grade copper sludge

Method and arrangement for refining copper concentrate

Method for recovering valuable metals

Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma