Management of hazardous residues containing Cr(VI) /
Clasificación: | Libro Electrónico |
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Otros Autores: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Hauppauge, N.Y. :
Nova Science Publishers,
[2011]
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Colección: | Waste and waste management series.
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Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- MANAGEMENT OF HAZARDOUS RESIDUES CONTAINING CR(VI); MANAGEMENT OF HAZARDOUS RESIDUES CONTAINING CR(VI); Contents; Preface; The Transfer and Speciation Transformation of Cr Leaching From Hazardous Wastes Containing Cr (VI) in an Underground Environment; Abstract; 1. Introduction; 2. Collection and Preparation of Soil Samples; 3. Thermodynamics of Cr(VI), As(V) and Pb Adsorption on the Soils; 4. Transport of Cr(VI), As(V) and Pb in Soil Unsaturated zones; 5. Concentrations of Cr, As and Pb in Original Soils and Leached Soils; 6. Fractions of Cr, As and Pb in Original Soils and Leached Soils.
- 7. Valences of Cr and As in Original Soils and Leached Soils8. Transport and Speciation Transformation of Cr(VI) and As(V) in an Aquifer; Conclusion; References; Waste Management and Minimisation of the Residues Containing Cr(VI); Abstract; 1. Introduction; 2. Ferrochrome Slag; 3. COPR; 3.1. Zero-Waste Technology; 3.2. Low Lime and No Lime COPR Processes; 4. Other Solid Wastes; Conclusion; References; Technologies for Treating Cr(VI)-Containing Wastes; Abstract; 1. Introduction; 2. Cr(VI) Adsorption; 2.1. Activated Carbon; 2.2. Biosorbents; 3. Phytoremediation; 4. Reduction Technologies.
- 4.1. Zero Valent Iron (ZVI)4.2. Photocatalysis; 5. Bioreduction and Related Biological Treatments; 5.1. Bacteria Types; 5.2. Bacteria Sources; 5.2.1. Landfill Leachate; 5.3. Reduction Mechanisms; 6. Stabilisation/Solidification; Conclusion; References; An Overview of Chromium (VI) Free Conversion Coatings in Current Use; Abstract; 1. Introduction; 2. Cleaning and Deoxidization; 3. Alternatives to Chromium (VI) based Conversion Coatings in Current Use; 3.1. Chromium (III) based Conversion Coatings; 3.2. Permanganate Based Conversion Coatings; 3.3. Phosphate Based Conversion Coatings.
- 3.4. Synthetic Polymer Based Conversion CoatingsConclusion; References; Volume Reduction of Cr(VI)-Bearing Sorbent Materials; Abstract; 1. Removal of Cr(VI) From Wastewater Using Biosorbent; 2. Biosorbent Preparation; 2.1. Formaldehyde Treatment; 2.2. Drying Procedure; 3. Characterization Methods; 3.1. Scanning Electron Microscopy (SEM); 3.2. Metal Detection in Aqueous Solution; 3.3. Thermogravimetric Analysis (TGA); 4. Application of Kinetic and Isotherm Models to the Removal of Cr (VI); 4. Adsorption Kinetics; 4.1. Adsorption Isotherms.
- 5. Optimization on a Laboratory Scale of the Removal Process of Cr (VI) From Wastewater6. Physical-Chemical Characterization Of Biosorbent; 6.1. Scanning Electron Microscopy (SEM); 6.2. Thermogravimetric Analysis (TGA); 7. Drying Results of Biosorbent (Sludge); Conclusion; References; Advances in Chromium (Vi) Separations Technology From Wastewaters; 1. Overview; 2. Chromium (VI): Occurrence and Uses; 3. Cancer and Other Health Effects of Chromium (VI) Compounds; 4. The Need For Chromium (VI) Removal From Liquid Effluents and Waters; 5. Liquid-Liquid Extraction; 6. Liquid Membranes.