English to Spanish Tech/Engineering Metallurgy / Casting Copper hydrometallurgy

Hola, esto aparece en la revista mining engineering, en un artículo que se llama Copper hydrometallurgy - evolution and milestones, en contexto: "The evolution of copper hydrometalurgy is reviewed. Key factors in recent major developments are presented with details of specific operations and with trends for the future indicated." Chao, gracias