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Removal of Ni(II), Cu(II), Zn(II), and Pb(II) ions from wastewater from municipal sewage treatment plants was investigated. Adsorption and ion exchange methods are most commonly used for removal of heavy metal ions from wastewater. Bentonite and palygorskite from a large number of sorbents are specially interesting because of their physicochemical properties. Sorption process of the above mentioned...
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