The ability of pomelo peel (PP) as natural adsorbent to remove Cu (II) ions from aqueous solution was investigated. The influence of solution pH, contact time and temperature were evaluated. Cu (II) removal increased as ...

Since the metallic elements are covered with or encapsulated by various plastic or ceramic materials on printed circuit boards (PCBs), a pre-treatment process allowing their liberation and separation is first needed in ...

This paper aimed at investigating the possibility of alkali activated blast-furnace slag (BFS) to produce cement powder that could be alternative to ordinary Portland cement. It was found that an alkali activated BFS ...