Superior recovery of ferrous waste

Abstract

Our experimental research has confirmed many practical results regarding the possibilities of ferrous waste recovery and has generated new perspectives for their use. It turned out that through an adequate preparation of ferrous waste involving washing - calcination - fragmentation - magnetic and granulometric sorting - rigorous dosing of the reducer - with or without the addition of new components (alloying elements, fluxes, etc.), depending on the purpose pursued, by carrying out closed, opened or virtual metallothermic reactions, pure technical iron, ferroalloys, alloy steels, additives used for non-removable joints by welding (welding aluminothermy) or powdery active components (virtual thermitic mixtures) used in thermochemical treatments can be obtained.