Competitive adsorption of metals on cabbage waste from multi-metal solutions.
作者： MA Hossain , HH Ngo , WS Guo , LD Nghiem , FI Hai
DOI: 10.1016/J.BIORTECH.2013.12.107
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摘要: Abstract This study assessed the adsorption capacity of agro-waste ‘cabbage’ as a biosorbent in single, binary, ternary and quaternary sorption systems with Cu(II), Pb(II), Zn(II) Cd(II) ions. Dried ground powder cabbage waste (CW) was used for metals Carboxylic, hydroxyl, amine groups were found to be key functional metal sorption. The isotherms obtained could well fitted both mono- multi-metal models. In competitive systems, adsorbed larger amount Pb(II) than other three metals. However, presence competing ions suppressed target Except case binary system Cd(II)–Zn(II) Cd(II)–Cu(II), there linear inverse dependency between capacities number different types
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