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Groundwater arsenic remediation : treatment technology and scale up / / Parimal Pal
| Groundwater arsenic remediation : treatment technology and scale up / / Parimal Pal |
| Autore | Pal Parimal |
| Pubbl/distr/stampa | Amsterdam, [Netherlands] : , : Butterworth-Heinemann, , 2015 |
| Descrizione fisica | 1 online resource (329 p.) |
| Disciplina | 628.52 |
| Soggetto topico |
Arsenic - Environmental aspects
Arsenic compounds Groundwater - Pollution |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Groundwater Arsenic Remediation: Treatment Technology and Scale UP; Copyright; Dedication; Contents; Acknowledgements; Preface; Chapter 1: Introduction to the Arsenic Contamination Problem; 1.1. Arsenic chemistry; 1.2. Occurrence and causes of arsenic in groundwater; 1.3. Regulations and maximum contaminant level of arsenic; 1.4. Toxicity and health hazards; 1.5. Introduction to methods of arsenic removal; 1.5.1. Chemical Precipitation; 1.5.1.1. Alum Precipitation; 1.5.1.2. Iron Precipitation; 1.5.1.3. Lime Softening; 1.5.1.4. Coprecipitation; 1.5.2. Adsorption
1.5.3. Ion Exchange1.5.4. Membrane Filtration; 1.5.4.1. Pressure-Driven Membrane Filtration; 1.5.5. Electrodialysis; 1.5.6. Temperature-Driven Membrane Filtration; 1.5.7. Hybrid Methods of Arsenic Removal; References; Chapter 2: Chemical Treatment Methods in Arsenic Removal; 2.1. Different forms of arsenic in groundwater; 2.2. Chemical precipitation; 2.2.1. Alum precipitation; 2.2.2. Lime softening; 2.2.3. Iron precipitation; 2.2.4. Enhanced coagulation; 2.2.5. Coprecipitation; 2.3. Physical separation; 2.3.1. Diffuse-double-layer theory 2.3.2. Destabilization of colloids and settling of particles2.3.2.1. Double-layer compression; 2.3.2.2. Adsorption and neutralization of charge; 2.3.2.3. Enmeshment-precipitation; 2.3.2.4. Interparticle bridging; 2.3.3. Filtration; 2.3.3.1. Rapid sand filtration; 2.3.3.2. Backwashing; 2.4. Modeling and simulation of the physico-chemical processes for scaleup; 2.4.1. Introduction; 2.4.2. Operation of the treatment plant; 2.4.3. Measuring arsenic concentration in water; 2.4.4. Computation of percentage removal of arsenic; 2.4.5. Modeling and simulation of physico-chemical treatment process 2.4.5.1. Process kinetics and modeling basis2.4.5.2. Modeling the process; 2.4.5.3. Material balance for the oxidizer unit; 2.4.5.4. Component mass balance of arsenic; 2.4.5.5. Component mass balance of oxidant; 2.4.5.6. Material balance of the coagulator and flocculator; 2.4.5.7. Material balance for the sedimentation unit; 2.4.5.8. Filtration Unit; 2.4.6. Determination of the model parameters; 2.4.6.1. Computation of flow rate and concentration of oxidant; 2.4.6.2. Computation of root mean square velocity gradient (G) in the coagulator/flocculator 2.4.6.3. Computation of average flock size (dQM) in the coagulator-flocculator unit2.4.6.4. Computation of flow rate and concentration of coagulant; 2.4.6.5. Determination of settling velocity and superficial velocity in sedimentation unit; 2.4.6.6. Determination of the filtration pressure drops due to filter cake and filter medium; 2.4.6.7. Effects of the operating parameters; 2.4.6.8. Effect of pH; 2.4.6.9. Effect of oxidant dose; 2.4.6.10. Effect of coagulant dose; 2.4.6.11. Effect of feed concentration; 2.4.7. Performance of the system and the model 2.5. Optimization and control of treatment plant operations |
| Record Nr. | UNINA-9910788280103321 |
Pal Parimal
|
||
| Amsterdam, [Netherlands] : , : Butterworth-Heinemann, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Groundwater arsenic remediation : treatment technology and scale up / / Parimal Pal
| Groundwater arsenic remediation : treatment technology and scale up / / Parimal Pal |
| Autore | Pal Parimal |
| Pubbl/distr/stampa | Amsterdam, [Netherlands] : , : Butterworth-Heinemann, , 2015 |
| Descrizione fisica | 1 online resource (329 p.) |
| Disciplina | 628.52 |
| Soggetto topico |
Arsenic - Environmental aspects
Arsenic compounds Groundwater - Pollution |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Groundwater Arsenic Remediation: Treatment Technology and Scale UP; Copyright; Dedication; Contents; Acknowledgements; Preface; Chapter 1: Introduction to the Arsenic Contamination Problem; 1.1. Arsenic chemistry; 1.2. Occurrence and causes of arsenic in groundwater; 1.3. Regulations and maximum contaminant level of arsenic; 1.4. Toxicity and health hazards; 1.5. Introduction to methods of arsenic removal; 1.5.1. Chemical Precipitation; 1.5.1.1. Alum Precipitation; 1.5.1.2. Iron Precipitation; 1.5.1.3. Lime Softening; 1.5.1.4. Coprecipitation; 1.5.2. Adsorption
1.5.3. Ion Exchange1.5.4. Membrane Filtration; 1.5.4.1. Pressure-Driven Membrane Filtration; 1.5.5. Electrodialysis; 1.5.6. Temperature-Driven Membrane Filtration; 1.5.7. Hybrid Methods of Arsenic Removal; References; Chapter 2: Chemical Treatment Methods in Arsenic Removal; 2.1. Different forms of arsenic in groundwater; 2.2. Chemical precipitation; 2.2.1. Alum precipitation; 2.2.2. Lime softening; 2.2.3. Iron precipitation; 2.2.4. Enhanced coagulation; 2.2.5. Coprecipitation; 2.3. Physical separation; 2.3.1. Diffuse-double-layer theory 2.3.2. Destabilization of colloids and settling of particles2.3.2.1. Double-layer compression; 2.3.2.2. Adsorption and neutralization of charge; 2.3.2.3. Enmeshment-precipitation; 2.3.2.4. Interparticle bridging; 2.3.3. Filtration; 2.3.3.1. Rapid sand filtration; 2.3.3.2. Backwashing; 2.4. Modeling and simulation of the physico-chemical processes for scaleup; 2.4.1. Introduction; 2.4.2. Operation of the treatment plant; 2.4.3. Measuring arsenic concentration in water; 2.4.4. Computation of percentage removal of arsenic; 2.4.5. Modeling and simulation of physico-chemical treatment process 2.4.5.1. Process kinetics and modeling basis2.4.5.2. Modeling the process; 2.4.5.3. Material balance for the oxidizer unit; 2.4.5.4. Component mass balance of arsenic; 2.4.5.5. Component mass balance of oxidant; 2.4.5.6. Material balance of the coagulator and flocculator; 2.4.5.7. Material balance for the sedimentation unit; 2.4.5.8. Filtration Unit; 2.4.6. Determination of the model parameters; 2.4.6.1. Computation of flow rate and concentration of oxidant; 2.4.6.2. Computation of root mean square velocity gradient (G) in the coagulator/flocculator 2.4.6.3. Computation of average flock size (dQM) in the coagulator-flocculator unit2.4.6.4. Computation of flow rate and concentration of coagulant; 2.4.6.5. Determination of settling velocity and superficial velocity in sedimentation unit; 2.4.6.6. Determination of the filtration pressure drops due to filter cake and filter medium; 2.4.6.7. Effects of the operating parameters; 2.4.6.8. Effect of pH; 2.4.6.9. Effect of oxidant dose; 2.4.6.10. Effect of coagulant dose; 2.4.6.11. Effect of feed concentration; 2.4.7. Performance of the system and the model 2.5. Optimization and control of treatment plant operations |
| Record Nr. | UNINA-9910809201503321 |
|
Pal Parimal
|
||
| Amsterdam, [Netherlands] : , : Butterworth-Heinemann, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Industrial water treatment process technology / / Parimal Pal
| Industrial water treatment process technology / / Parimal Pal |
| Autore | Pal Parimal |
| Pubbl/distr/stampa | Oxford, England ; ; Cambridge, Massachusetts : , : Butterworth-Heinemann, , 2017 |
| Descrizione fisica | 1 online resource (600 pages) : illustrations, tables |
| Disciplina | 333.91 |
| Soggetto topico |
Water-supply - Management
Water - Purification Water quality |
| ISBN | 0-12-810392-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910583378703321 |
|
Pal Parimal
|
||
| Oxford, England ; ; Cambridge, Massachusetts : , : Butterworth-Heinemann, , 2017 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||