Sorting of mineral construction and demolition wastes by near-infrared technology

Construction and demolition waste (CDW) from building constructions are heterogeneous mixtures, containing clay brick, mineral bounded building materials, like concrete, calcium silicate unit, aerated concrete and lightweight concrete, mortar, plaster, insulation material, wood, plastic etc. Even after processing – such as presorting by hand,...

Characterization of filler fraction from the production of recycled sand from construction and demolition waste

The concept of circular economy envisages that the highest utility and value of a material can be achieved through proper management along its all life cycle. Therefore reducing waste, through increased reuse and recycling, is a major driver to close the loop. Within this framework, construction and demolition waste, which constitutes up to 30%...