Unit processes are usually broken down into three categories&colon; pyrometallurgy, hydrometallurgy, and electrometallurgy. Salicylaldoxime is a chelator and an extractant in hydrometallurgy. This can be achieved with industrial installations, and new process, like hydrometallurgy. Processing techniques that complement hydrometallurgy are pyrometallurgy, vapour metallurgy, and molten salt electrometallurgy. Biohydrometallurgy is a subfield within hydrometallurgy which includes aspects of biotechnology. In one application of hydrometallurgy, Cu is extracted into organic solvents as its saloxime complex. In modern times, the separation is achieved by hydrometallurgy. Egypt had submitted the Hydrometallurgy Pilot Plant design information and had agreed to provide ICRs. For example, a major target of hydrometallurgy is copper, which is conveniently obtained by electrolysis. Hydrometallurgy is concerned with processes involving aqueous solutions to extract metals from ores. The Cyanex family of dialkylphosphinic acids are used in hydrometallurgy to extract metals from ores.