Analyzing material flow and value added associated with non ‐ metallic mineral wastes in Japan

1 Background Rubble, slag, and sludge, referred to as non-metallic mineral wastes, are frequently recycled as alternate materials for natural non-metallic mineral resources such as dirt, crushed stone, sand, and clay. Concrete waste and asphalt concrete waste, which are non-metallic mineral wastes, are categorized as industrial wastes in Japan. According to… (More)