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Heavy metals ions can be removed from industrial wastewaters by numerous methods, such are precipitation, electrolysis, electrodyalisis etc. Sorption, i.e. adherence of a dissolved specie on solid sorbent, may be a cost-effective alternative to these conventional methods, in case a low-cost material is used as sorbent. Heavy metals are well sorbed by zeolites, clay minerals, char coal, carbon nanomaterials or numerous biopolymers. In this research, waste ceramic was used as sorbent for heavy metals (Cu, Pb, Zn). T...