Drinking water treatment . Volume 2. : chemical and physical elimination of organic substances and particles / / Kader Gaid

• Record Nr.: UNINA9910830067703321
• Autore: Gaid Kader
• Pubbl/distr/stampa: London, England : , : ISTE Ltd and John Wiley & Sons, Inc., , [2023]; ©2023
• ISBN: 1-394-22603-9; 1-394-22601-2
• Descrizione fisica: 1 online resource (404 pages)
• Disciplina: 628.162
• Soggetti: Drinking water - Purification; Water - Purification; Biotechnology
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Cover -- Title Page -- Copyright Page -- Contents -- Chapter 7. Removal of Natural Organic Matter -- 7.1. Natural organic matter: humic substances -- 7.2. Methods of quantification and assessment of organic substances in water -- 7.2.1. Total organic carbon -- 7.2.2. Absorbance of ultraviolet light at 254 nm (UV 254) -- 7.2.3. Specific UV absorbance -- 7.2.4. Liquid chromatography -- 7.2.5. Hydrophobic organic carbon -- 7.2.6. Fluorescence -- 7.3. Conditions for the removal of NOM -- 7.4. NOM removal techniques -- 7.4.1. Coagulation-flocculation -- 7.5. Adsorption on activated carbon -- 7.5.1. Mechanism of NOM removal by activated carbon -- 7.5.2. Implementation of activated carbon adsorption for NOM removal -- 7.6. Ozonation -- 7.6.1. Preozonation -- 7.6.2. Interozonation -- 7.7. Biological treatment -- 7.7.1. Biological treatment with PAC: operating principle of the Opaline® B process (Veolia) -- 7.7.2. Biological treatment combining ozone and GAC -- 7.8. Treatment of ion exchange resins -- 7.8.1. Use of resins for NOM removal: mechanism of NOM removal -- 7.8.2. Parameters affecting the performance of resins for the removal of NOM -- 7.8.3. Resin regeneration -- 7.8.4. The Opalix® process -- 7.9. NOM removal by high-pressure ; membranes -- 7.10. References -- Chapter 8. Filtration -- 8.1. Rapid filters and very high-rate filters (TGV) -- 8.2. Multimedia filters -- 8.3. Direct filtration -- 8.4. Pressurized filters -- 8.5. Filtration mechanisms -- 8.5.1. General principle -- 8.5.2. Mechanisms involved in filtration -- 8.6. Implementation parameters -- 8.6.1. Materials -- 8.6.2. Material height/d10 ratio -- 8.6.3. ES ratio -- 8.7. Sizing parameters: filtration rate and material height -- 8.8. Operating parameters -- 8.8.1. Pressure loss in a clean filter -- 8.8.2. Pressure loss during clogging.; 8.8.3. Estimation of the turbidity of filtered water in single-layer filters -- 8.8.4. Retention capacity -- 8.8.5. Filter washing conditions: theory and calculations -- 8.8.6. Cycle time -- 8.8.7. Main parameters involved in filter sizing -- 8.9. Veolia filtration technologies: general information -- 8.9.1. Characteristics of open gravity filters -- 8.10. Regulation systems -- 8.10.1. Hydraulic regulators -- 8.10.2. Control valves -- 8.11. Recycling and microbiological risks -- 8.12. Monitoring the operation and performance of filters -- 8.12.1. Turbidity -- 8.12.2. Particle count -- 8.12.3. Problems with the operation of filters -- 8.13. References -- Chapter 9. Adsorption on Activated Carbon -- 9.1. Activation processes of activated carbon -- 9.1.1. Chemical activation -- 9.1.2. Physical activation -- 9.2. Physicochemical properties of activated carbon -- 9.2.1. Parameters influencing adsorption -- 9.3. Transport process in activated carbon: mass transfer -- 9.3.1. Adsorption mechanisms and isotherms -- 9.4. The different forms of conditioning of activated carbons -- 9.4.1. Powdered activated carbon -- 9.4.2. Micrograin activated carbon (ìgrain) -- 9.4.3. Granular activated carbon -- 9.5. Adsorption reactors on activated carbon: removal process -- 9.6. PAC reactors: description of PAC reactors -- 9.6.1. Mass balance -- 9.6.2. GAC reactors in adsorption mode: GAC filters -- 9.6.3. Fluidized bed activated carbon reactors -- 9.6.4. GAC-ìgrain-PAC comparison -- 9.6.5. Hybrid process with a PAC reactor associated with UF membranes -- 9.7. Veolia technologies: treatment process with PAC reactors -- 9.7.1. Implementation in a settler without PAC recirculation -- 9.7.2. Implementation with PAC recirculation -- 9.7.3. Opaline® C process: PAC-membrane hybrid -- 9.8. Micrograin activated carbon reactors.; 9.8.1. Integration of ìgrain activated carbon in the treatment process -- 9.8.2. The Filtraflo® Carb -- 9.8.3. Opacarb®FL -- 9.8.4. Opacarb®MG -- 9.9. Fixed bed reactors - GAC filters -- 9.9.1. The GAC filter (Veolia) -- 9.9.2. GAC filters in series -- 9.9.3. Implementation modes for GAC filters -- 9.10. Pressurized GAC filters (Opacarb™ filters) -- 9.11. References -- Index -- Summaries of other volumes -- EULA.