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The removal of heavy metals from refinery effluents by sulfide precipitation
Kartal, Levent; Şen, Aysel; Timur, Servet (BERG FAC TECHNICAL UNIV KOSICE, 2023)This study investigated the selective precipitation of copper (Cu2+), nickel (Ni2+) and zinc (Zn2+) ions from industrial wastewater by using sodium sulfide (Na2S). The effects of pH, time and free sulfide concentration on ...