Metallurgy | ChemistryTutorVistaBenefaction: The process of removal of unwanted impurities from the ore. .. Concentration: Since iron ores are heavier than their impurities, hydraulic washing . Powder metallurgy is a cost effective process to produce a component of a given.production of concentrated iron benefaction,Metallurgy | What is Metallurgy? | ChemistryTutorCircleThis step is known as benefaction or concentration of ore. .. The manufacturing of steel from pig iron was discovered in 11th century by reheating of iron in a.
production of concentrated iron benefaction