Abstract: Significant amounts of blast furnace slag (BFS) are generated daily as by-product from iron and steel industries. This waste material usually has interesting physical properties and mineralogical and chemical composition, ...

Abstract: An experimental Environmental Watch System, the so-called Observatorio Andino (OA), has been implemented in Venezuela, Colombia, Ecuador, Peru, Bolivia, and Chile over the past 2 yr. The OA is a collaborative and regional ...