Athanasios K. Karamalidis - Böcker
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2 produkter
2 produkter
1 975 kr
Skickas inom 7-10 vardagar
This book provides a description of the generalized two layer surface complexation model, data treatment procedures, and thermodynamic constants for sorption of metal cations and anions on gibbsite, the most common form of aluminum oxide found in nature and one of the most abundant minerals in soils, sediments, and natural waters. The book provides a synopsis of aluminum oxide forms and a clearly defined nomenclature. Compilations of available data for sorption of metal cations and anions on gibbsite are presented, and the results of surface complexation model fitting of these data are given. The consistency of the thermodynamic surface complexation constants extracted from the data is examined through development of linear free energy relationships which are also used to predict thermodynamic constants for ions for which insufficient data are available to extract constants. The book concludes with a comparison of constants extracted from data for sorption on gibbsite with those determined previously for hydrous ferric oxide (HFO), hydrous manganese oxide (HMO), and goethite. The overall objective of this book is the development and presentation of an internally consistent thermodynamic database for sorption of inorganic cations and anions on gibbsite, an abundant and reactive mineral in soils, sediments, and aquatic systems. Its surface has a high affinity for sorption of metal cations and anions, including radionuclides. The gibbsite database will enable simulation and prediction of the influence of sorption on the fate of these chemical species in natural systems and treatment processes in which aluminum oxides are abundant. It thus will help to advance the practical application of surface complexation modeling.
Del 79 - Special Publications
Rare Earth Elements
Sustainable Recovery, Processing, and Purification
Inbunden, Engelska, 2024
2 090 kr
Skickas inom 7-10 vardagar
Explores innovations in the production of rare earths that would be more sustainableRare earth elements are used in many modern technologies including electronics, clean energy, defense, aerospace, and automotive. It is important that increasing demand is met in ways that are more environmentally, socially, and economically sustainable than in the past.Rare Earth Elements: Sustainable Recovery, Processing, and Purification describes sources of rare earths and methods of production that have the potential to make recovery, processing, and purification more sustainable.Volume highlights include: Global overview of rare earth production, reserves, and resourcesImprovements in the recovery process to reduce costs and environmental impactsPotential new sources of rare earths that were not previously technically feasibleOptions for recovery of rare earths as byproducts of other activitiesContributions from experts in academia, industry, government, research, and nonprofit organizationsLearn more about this book in a Q&A with the editors.The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.