Arsenic in soil and groundwater environment [[electronic resource] ] : biogeochemical interactions, health effects and remediation / / editors, Prosun Bhattacharya ... [et al.] |
Edizione | [1st ed.] |
Pubbl/distr/stampa | Amsterdam ; ; Boston, : Elsevier, 2007 |
Descrizione fisica | 1 online resource (685 p.) |
Disciplina | 363.7384 |
Altri autori (Persone) | BhattacharyaProsun |
Collana | Trace metals and other contaminants in the environment |
Soggetto topico |
Arsenic - Environmental aspects
Arsenic compounds Soil pollution Water - Pollution |
Soggetto genere / forma | Electronic books. |
ISBN |
1-281-02152-0
9786611021528 0-08-052290-4 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Front Cover; Arsenic in Soil and Groundwater Environment; Copyright Page; Table of Contents; Preface; About the Editors; List of Contributors; Section I: Introduction; Chapter 1. Arsenic in soil and groundwater: an overview; Abstract; 1.1 Introduction; 1.2 Occurrence, distribution, and sources of As; 1.2.1 Occurrence and distribution; 1.2.2 Sources of As in soils and groundwater; 1.2.2.1 Natural sources; 1.2.2.2 Transport and partitioning of As from natural sources; 1.2.3 Anthropogenic sources; 1.2.3.1 Industrial As transport and partitioning
1.3 Geogenic As in groundwater and soils: a brief overview 1.3.1 Distribution and chemodynamics of As in groundwater; 1.4 Accumulation and behavior of As in soils; 1.5 Bioaccumulation of As in plants and crops; 1.5.1 Arsenic in crops; 1.5.2 Phytoremediation of As-contaminated soils; 1.6 Speciation and behavior of As in contaminated sites; 1.7 Biogeochemical Controls on As mobilization; 1.8 Health risks associated with chronic exposure to As in groundwater; 1.8.1 Impact of high As ingestion; 1.8.1.1 Social problem; 1.8.2 Treatment; 1.9 Removal of As from drinking water 1.9.1 Conventional technique 1.9.2 Other established and emerging arsenic removal method; 1.9.2.1 Pond Sand Filters (PSFs); 1.9.2.2 Activated alumina filter (ALCAN filter); 1.9.2.3 Bishuddhya filter; 1.9.2.4 Low cost arsenic removal; 1.9.2.5 Photocatalytic methods; 1.10 Conclusions; References; Section II: Arsenic in Groundwater: Global Occurrences; Chapter 2. Trends in arsenic concentration at tube wells in Bangladesh: conceptual models, numerical models, and monitoring proxies; Abstract; 2.1 Introduction; 2.2 The hydrogeological context of As occurrence 2.2.1 A conceptual model of As in the aquifer 2.3 Predicting As in tube well discharge; 2.3.1 Modelling As at shallow HTWs; 2.3.2 Modelling As at DTWs; 2.4 Evidence for changing As concentration at tube wells; 2.4.1 Arsenic concentration and tube well age in Bangladesh; 2.4.2 Arsenic concentration and tube well age at village scale; 2.4.3 Time-series monitoring of As concentration; 2.4.4 Isotopic indication of vertical leakage; 2.5 Discussion; 2.6 Future directions; Acknowledgements; References; Chapter 3. Source identification for groundwater arsenic in the Verde Valley, Central Arizona, USA Abstract 3.1 Introduction; 3.2 Geology of Verde Valley; 3.2.1 Verde Formation; 3.2.2 Precambrian rocks; 3.2.3 Montezuma Well; 3.2.4 Verde Hot Springs; 3.2.5 Chemical composition of Verde Valley groundwater; 3.2.6 Local channelization of groundwater; 3.3 Experimental; 3.3.1 Cation and anion analyses; 3.3.1.1 ICP-MS analysis; 3.4 Results and discussion; 3.5 Future directions; Acknowledgments; References; Chapter 4. Natural arsenic in groundwater and alkaline lakes at the upper Paraguay basin, Pantanal, Brazil; Abstract; 4.1 Introduction; 4.2 Regional setting; 4.3 Materials and methods 4.3.1 Fieldwork |
Record Nr. | UNINA-9910457293403321 |
Amsterdam ; ; Boston, : Elsevier, 2007 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Arsenic in soil and groundwater environment [[electronic resource] ] : biogeochemical interactions, health effects and remediation / / editors, Prosun Bhattacharya ... [et al.] |
Edizione | [1st ed.] |
Pubbl/distr/stampa | Amsterdam ; ; Boston, : Elsevier, 2007 |
Descrizione fisica | 1 online resource (685 p.) |
Disciplina | 363.7384 |
Altri autori (Persone) | BhattacharyaProsun |
Collana | Trace metals and other contaminants in the environment |
Soggetto topico |
Arsenic - Environmental aspects
Arsenic compounds Soil pollution Water - Pollution |
Soggetto non controllato |
Groundwater environment
Trace elements Biogeochemistry |
ISBN |
1-281-02152-0
9786611021528 0-08-052290-4 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Front Cover; Arsenic in Soil and Groundwater Environment; Copyright Page; Table of Contents; Preface; About the Editors; List of Contributors; Section I: Introduction; Chapter 1. Arsenic in soil and groundwater: an overview; Abstract; 1.1 Introduction; 1.2 Occurrence, distribution, and sources of As; 1.2.1 Occurrence and distribution; 1.2.2 Sources of As in soils and groundwater; 1.2.2.1 Natural sources; 1.2.2.2 Transport and partitioning of As from natural sources; 1.2.3 Anthropogenic sources; 1.2.3.1 Industrial As transport and partitioning
1.3 Geogenic As in groundwater and soils: a brief overview 1.3.1 Distribution and chemodynamics of As in groundwater; 1.4 Accumulation and behavior of As in soils; 1.5 Bioaccumulation of As in plants and crops; 1.5.1 Arsenic in crops; 1.5.2 Phytoremediation of As-contaminated soils; 1.6 Speciation and behavior of As in contaminated sites; 1.7 Biogeochemical Controls on As mobilization; 1.8 Health risks associated with chronic exposure to As in groundwater; 1.8.1 Impact of high As ingestion; 1.8.1.1 Social problem; 1.8.2 Treatment; 1.9 Removal of As from drinking water 1.9.1 Conventional technique 1.9.2 Other established and emerging arsenic removal method; 1.9.2.1 Pond Sand Filters (PSFs); 1.9.2.2 Activated alumina filter (ALCAN filter); 1.9.2.3 Bishuddhya filter; 1.9.2.4 Low cost arsenic removal; 1.9.2.5 Photocatalytic methods; 1.10 Conclusions; References; Section II: Arsenic in Groundwater: Global Occurrences; Chapter 2. Trends in arsenic concentration at tube wells in Bangladesh: conceptual models, numerical models, and monitoring proxies; Abstract; 2.1 Introduction; 2.2 The hydrogeological context of As occurrence 2.2.1 A conceptual model of As in the aquifer 2.3 Predicting As in tube well discharge; 2.3.1 Modelling As at shallow HTWs; 2.3.2 Modelling As at DTWs; 2.4 Evidence for changing As concentration at tube wells; 2.4.1 Arsenic concentration and tube well age in Bangladesh; 2.4.2 Arsenic concentration and tube well age at village scale; 2.4.3 Time-series monitoring of As concentration; 2.4.4 Isotopic indication of vertical leakage; 2.5 Discussion; 2.6 Future directions; Acknowledgements; References; Chapter 3. Source identification for groundwater arsenic in the Verde Valley, Central Arizona, USA Abstract 3.1 Introduction; 3.2 Geology of Verde Valley; 3.2.1 Verde Formation; 3.2.2 Precambrian rocks; 3.2.3 Montezuma Well; 3.2.4 Verde Hot Springs; 3.2.5 Chemical composition of Verde Valley groundwater; 3.2.6 Local channelization of groundwater; 3.3 Experimental; 3.3.1 Cation and anion analyses; 3.3.1.1 ICP-MS analysis; 3.4 Results and discussion; 3.5 Future directions; Acknowledgments; References; Chapter 4. Natural arsenic in groundwater and alkaline lakes at the upper Paraguay basin, Pantanal, Brazil; Abstract; 4.1 Introduction; 4.2 Regional setting; 4.3 Materials and methods 4.3.1 Fieldwork |
Record Nr. | UNINA-9910784592703321 |
Amsterdam ; ; Boston, : Elsevier, 2007 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Arsenic in soil and groundwater environment : biogeochemical interactions, health effects and remediation / / editors, Prosun Bhattacharya ... [et al.] |
Edizione | [1st ed.] |
Pubbl/distr/stampa | Amsterdam ; ; Boston, : Elsevier, 2007 |
Descrizione fisica | 1 online resource (685 p.) |
Disciplina | 363.7384 |
Altri autori (Persone) | BhattacharyaProsun |
Collana | Trace metals and other contaminants in the environment |
Soggetto topico |
Arsenic - Environmental aspects
Arsenic compounds Soil pollution Water - Pollution |
ISBN |
1-281-02152-0
9786611021528 0-08-052290-4 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Front Cover; Arsenic in Soil and Groundwater Environment; Copyright Page; Table of Contents; Preface; About the Editors; List of Contributors; Section I: Introduction; Chapter 1. Arsenic in soil and groundwater: an overview; Abstract; 1.1 Introduction; 1.2 Occurrence, distribution, and sources of As; 1.2.1 Occurrence and distribution; 1.2.2 Sources of As in soils and groundwater; 1.2.2.1 Natural sources; 1.2.2.2 Transport and partitioning of As from natural sources; 1.2.3 Anthropogenic sources; 1.2.3.1 Industrial As transport and partitioning
1.3 Geogenic As in groundwater and soils: a brief overview 1.3.1 Distribution and chemodynamics of As in groundwater; 1.4 Accumulation and behavior of As in soils; 1.5 Bioaccumulation of As in plants and crops; 1.5.1 Arsenic in crops; 1.5.2 Phytoremediation of As-contaminated soils; 1.6 Speciation and behavior of As in contaminated sites; 1.7 Biogeochemical Controls on As mobilization; 1.8 Health risks associated with chronic exposure to As in groundwater; 1.8.1 Impact of high As ingestion; 1.8.1.1 Social problem; 1.8.2 Treatment; 1.9 Removal of As from drinking water 1.9.1 Conventional technique 1.9.2 Other established and emerging arsenic removal method; 1.9.2.1 Pond Sand Filters (PSFs); 1.9.2.2 Activated alumina filter (ALCAN filter); 1.9.2.3 Bishuddhya filter; 1.9.2.4 Low cost arsenic removal; 1.9.2.5 Photocatalytic methods; 1.10 Conclusions; References; Section II: Arsenic in Groundwater: Global Occurrences; Chapter 2. Trends in arsenic concentration at tube wells in Bangladesh: conceptual models, numerical models, and monitoring proxies; Abstract; 2.1 Introduction; 2.2 The hydrogeological context of As occurrence 2.2.1 A conceptual model of As in the aquifer 2.3 Predicting As in tube well discharge; 2.3.1 Modelling As at shallow HTWs; 2.3.2 Modelling As at DTWs; 2.4 Evidence for changing As concentration at tube wells; 2.4.1 Arsenic concentration and tube well age in Bangladesh; 2.4.2 Arsenic concentration and tube well age at village scale; 2.4.3 Time-series monitoring of As concentration; 2.4.4 Isotopic indication of vertical leakage; 2.5 Discussion; 2.6 Future directions; Acknowledgements; References; Chapter 3. Source identification for groundwater arsenic in the Verde Valley, Central Arizona, USA Abstract 3.1 Introduction; 3.2 Geology of Verde Valley; 3.2.1 Verde Formation; 3.2.2 Precambrian rocks; 3.2.3 Montezuma Well; 3.2.4 Verde Hot Springs; 3.2.5 Chemical composition of Verde Valley groundwater; 3.2.6 Local channelization of groundwater; 3.3 Experimental; 3.3.1 Cation and anion analyses; 3.3.1.1 ICP-MS analysis; 3.4 Results and discussion; 3.5 Future directions; Acknowledgments; References; Chapter 4. Natural arsenic in groundwater and alkaline lakes at the upper Paraguay basin, Pantanal, Brazil; Abstract; 4.1 Introduction; 4.2 Regional setting; 4.3 Materials and methods 4.3.1 Fieldwork |
Record Nr. | UNINA-9910810448703321 |
Amsterdam ; ; Boston, : Elsevier, 2007 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
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 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
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 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|