The Adsorption Characteristics of NI (II) Onto Bubble Surfaceby C. P. Huang, Univ of Delaware, Dep of Civil, Engineering, Newark, DE, USA,
J. M. Tseng, Univ of Delaware, Dep of Civil, Engineering, Newark, DE, USA,
Abstract: The removal of Ni(II) by foam fractionation is brought about by the electrostatic mechanism. From removal and zeta potential measurements, it clearly demonstrates that Ni**2** plus and NiOH** plus ions become associated with the dodecylsulfonate coated (negative charge) N//2 gas bubbles. The optimal Ni(II) to NaDS (molar ratio) is 0. 2. The Ni**2** plus species forms moderately strong complexes with dodecylsulfonate ions.
Subject Headings: Adsorption | Alloys | Wastewater treatment | Nickel
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