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Nuclear materials /
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
Nova Science Publishers, Inc.,
[2011]
|
| Colección: | Physics research and technology.
Materials science and technologies series. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- NUCLEAR MATERIALS ; NUCLEAR MATERIALS ; Contents; Preface; Co-Precipitation Model Coupled with Prediction Model for the Removal of Arsenic from Ground and Surface Waters Using Lanthanides; Abstract; 1. Introduction; 1.1. Sources of Arsenic in Ground Water; 1.2. Removal of Arsenic through Adsorption on Solid Surfaces; 1.3. Objectives of This Chapter; 2. Background; 2.1. Factors Influencing Arsenic Migration in Natural Waters; Inorganic Carbon Concentration; Phosphate and Silicate Concentration; Organic Matter Content; 2.2. Aqueous Speciation of Arsenic; 2.3. Surface Speciation of Arsenic.
- 2.4. Surface Complexation Models for Arsenic Adsorption2.5. Solubility of Rare Earth Arsenates Compared to Arsenates of Other Ions; Suitability of Calcium and Magnesium Arsenates; Suitability of Iron (III) Arsenates; Suitability of Lead Arsenates; Suitability of Arsenates of Lanthanides and Actinides; 3. Methods; 3.1. Predictive Model for Arsenic Removal from Soil; 3.1.1. Integrity of Data Used for Developing and Testing the Predictive Model; 3.1.2. Integrity of Data Used in Model Fitting; 3.1.3. Predictive Model Fitting; 3.1.4. Measured Adsorption Surfaces as a Function of Soils Parameters.
- 3.1.5. Adsorption Contours of Arsenic as a Function of Soil Parameters3.1.6. Adsorption Envelops of Arsenic; 3.2. Surface Precipitation Model for Arsenic Adsorption; 3.2.1. Linear Free Energy Model; 3.2.2. Model Adaptation for Surface Precipitation of Arsenic; 3.2.3. Surface Precipitation Reactions; 3.2.4. Calculating Equilibrium Surface Precipitation Constants; 4. Results and Discussion; 4.1. Fitted Predictive Model for Arsenic Adsorption; 4.1.1. Validation of Prediction Model; 4.2. Surface Precipitation of Arsenic onto Hydrated Oxides of Lanthanides and Actinides; 5. Conclusions.
- 2.1. First-Principles Calculations of Thermodynamic Properties of Ordered Solids2.2. First-Principles Calculations of Thermodynamics of Disordered Solids. The Cluster Expansion Formalism; 2.3. CALPHAD Modeling of Thermodynamics; 2.4. CALPHAD Modeling of Atomic Mobility; 3. Results and Discussion; 3.1. Cluster Expansion in the Bcc U-Mo System. U(Mo) Phase Stability; 3.2. UAl3 Stabilization by Si Addition. UAl3-USi3 Pseudobinary System Ground State; 3.3. Low Silicon U(Al, Si)3 Stabilization by Zr Addition. Experimental Results.