Surface Complexation Modeling
Gibbsite
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Beschreibung
This book provides a description of the generalized two layersurface complexation model, data treatment procedures, andthermodynamic constants for sorption of metal cations and anions ongibbsite, the most common form of aluminum oxide found in natureand one of the most abundant minerals in soils, sediments, andnatural waters. The book provides a synopsis of aluminum oxideforms and a clearly defined nomenclature. Compilations of availabledata for sorption of metal cations and anions on gibbsite arepresented, and the results of surface complexation model fitting ofthese data are given. The consistency of the thermodynamic surfacecomplexation constants extracted from the data is examined throughdevelopment of linear free energy relationships which are also usedto predict thermodynamic constants for ions for which insufficientdata are available to extract constants. The book concludes with acomparison of constants extracted from data for sorption ongibbsite with those determined previously for hydrous ferric oxide(HFO), hydrous manganese oxide (HMO), and goethite.
The overall objective of this book is the development andpresentation of an internally consistent thermodynamic database forsorption of inorganic cations and anions on gibbsite, an abundantand reactive mineral in soils, sediments, and aquatic systems. Itssurface has a high affinity for sorption of metal cations andanions, including radionuclides. The gibbsite database will enablesimulation and prediction of the influence of sorption on the fateof these chemical species in natural systems and treatmentprocesses in which aluminum oxides are abundant. It thus will helpto advance the practical application of surface complexationmodeling.
Autor*in
Athanasios K. Karamalidis
Themen in »Surface Complexation Modeling«
Aluminiumoxide Bauingenieur- u. Bauwesen Boden- u. Geochemie Chemie Chemistry Civil Engineering & Construction Environmental Engineering Environmental Science Environmental Studies Soil & Geochemistry Umweltforschung Umwelttechnik Umweltwissenschaften