Making stronger concrete with 'sewage-enhanced' steel slag

(RMIT University) Researchers examined whether steel slag that had been used to treat wastewater could then be recycled as an aggregate material for concrete. Their findings? Concrete made with post-treatment steel slag was about 17% stronger than concrete made with conventional aggregates, and 8% stronger than raw steel slag.
Source: EurekAlert! - Social and Behavioral Science - Category: International Medicine & Public Health Source Type: news