Chemistry / Kimya

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  • Article
    Citation - WoS: 259
    Citation - Scopus: 284
    Heavy Metal Removal From Waste Waters by Ion Flotation
    (Elsevier Ltd., 2007) Polat, Hürriyet; Erdoğan, D.
    Flotation studies were carried out to investigate the removal of heavy metals such as copper (II), zinc (II), chromium (III) and silver (I) from waste waters. Various parameters such as pH, collector and frother concentrations and airflow rate were tested to determine the optimum flotation conditions. Sodium dodecyl sulfate and hexadecyltrimethyl ammonium bromide were used as collectors. Ethanol and methyl isobutyl carbinol (MIBC) were used as frothers. Metal removal reached about 74% under optimum conditions at low pH. At basic pH it became as high as 90%, probably due to the contribution from the flotation of metal precipitates.