Material flow management: Approaches for emission reduction and cleaner production in Vietnamese foundries

"Material flow management is a method to compare different choices of action by their ecological and economic effects. This article describes the method and the possibilities to manage material flows in waste and wastewater management systems. Aims and the procedure how to deal with waste flows in waste management networks are described. The example of the production of refuse derived fuel is given. The method of material flow management has been applied to the material flows and environmental aspects looking at the example of foundries."