RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Paper Details


Bibliographic Data:

Code: WDA00
Paper Type: Article
Author(s): Weerasooriya R, Dharmasena B, Aluthpatabendi D
Title: Copper-gibbsite interactions: an application of 1-pK surface complexation model
Journal: Colloids and Surfaces A
Volume: 170   Year: 2000   Pages: 65-77
ISSN-Print: 0927-7757
Internal Storage: V1229
DOI: 10.1016/S0927-7757(00)00453-2
Abstract:

Copper and proton adsorption on gibbsite were determined at differing experimental conditions. The pHzpc of gibbsite was 8.70. As determined by the basic Stern-layer model (BSM), the optimized binding constants of electrolytic ions were KNa=−0.31 and KNO3=7.94. These parameters were coupled with the charge-distribution multi-site ion complexation (CD-MUSIC) model in quantifying copper adsorption by following reaction stoichiometry.

(>AlOH−½)2 + Cu2+ = [(>AlOH)2zCuw]+1   logK = 7.15 ± 0.7


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