Selenium Contamination in Water

Selenium Contamination in Water
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The contamination of environment and water resources by Selenium (Se) and its oxyanions from various sources are emerging contaminants of significant health and environmental concern. The primary sources include agricultural drainage water, mine drainage, residues from fossil fuels, thermoelectric power plants, oil refineries, and metal ores. Various methods and technologies have been developed which focus on the treatment of selenium-containing waters and wastewater. High concentrations of selenium in water cause various adverse impact to human health, such as carcinogenic, genotoxic, and cytotoxic effects. But in the lower concentrations, it is a useful constituent of the biological system. The range between toxicity and deficiency of selenium is minimal (40 to 400 μg per day), due to its dual nature.  Selenium Contamination in Water  contains the latest status and information on selenium’s origin, its chemistry and its toxicity to humans. The book represents a comprehensive and advanced reference book for students, researchers, practitioners, and policymakers in working in the field of metalloids, in particular selenium. A special emphasis is given on its geological distribution, monitoring techniques, and remedial technologies. As such, the authors critically analyze the various techniques used for the monitoring and removal of selenium from water.  Featuring chapters arranged according to the major themes of the latest research, with specific case-studies from industrial experiences of selenium detection and removal,  Selenium Contamination in Water  will be particularly valued by researchers, practitioners, and policymakers in working in the field of metalloids including selenium.

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Группа авторов. Selenium Contamination in Water

Table of Contents

List of Tables

List of Illustrations

Guide

Pages

Selenium Contamination in Water

List of Contributors

1 Mapping of Selenium Toxicity and TechnologicalAdvances for its Removal: A Scentiometric Approach

1.1 Introduction

1.1.1 Contamination Status of Selenium

1.1.2 Mapping Selenium Research Dynamics Advances

1.1.3 Bibliometric Analysis

1.2 Selenium Reduction Technologies Used in India

1.3 Selenium Reduction Technologies Used in China

1.4 Selenium Research Dynamics Using AI Techniques

1.5 Conclusion

Acknowledgment

Conflict of Interest

References

2 Selenium Distribution and Chemistry in Water and Soil

2.1 Introduction

2.2 Environmental Distribution and Forms

2.3 Species of Selenium

2.4 Interaction of Selenium with Organic Matters and Microorganisms

2.5 Interaction of Selenium with Clay Mineral

2.6 Conclusion

References

3 Occurrence and Sources of Selenium Contaminationin Soil and Water and its Impacts on Environment

3.1 Introduction

3.1.1 Chemistry of Se

3.1.2 Forms of Se

3.1.3 Chemical and Physical Properties

3.2 Sources and Occurrence of Se in the Environment

3.2.1 Natural Sources

3.2.2 Anthropogenic Sources of Contamination in Environment

3.3 Drinking Water Standards and Criteria

3.4 Effect of Se in Human, Terrestrial, and Aquatic Life

3.4.1 Human Population

3.4.2 Aquatic and Terrestrial Life

3.4.3 Biological Role

3.5 Industrial Applications

3.6 Conclusions

References

4 Selenium Toxicity in Domestic Animals: Sources, Toxicopathology, and Control Measure

4.1 Introduction

4.2 Sources of Selenium to Domestic Animals

4.2.1 Soil

4.2.2 Water

4.2.3 Forage

4.2.4 Feed Supplements

4.2.5 Diagnosis of Se in Soil, Forages, and in Livestock Animals

4.3 Toxicopathology of Selenium in Different Domestic Animals

i Acute intoxication:

ii Chronic intoxication:

4.3.1 Cattle

4.3.2 Sheep

4.3.3 Pigs

4.3.4 Poultry

4.3.5 Camel and Horse

4.3.6 Antelope

4.4 Control Measures of Selenium Toxicity

4.5 Conclusion

References

5 Positive and Negative Impacts of Seleniumon Human Health and Phytotoxicity

5.1 Introduction

5.2 Exposure of Selenium in the Environment

5.2.1 Water

5.2.2 Soil

5.2.3 Air

5.2.4 Direct Exposure of Selenium to Humans by Feed

5.3 Effect of Selenium on Human Health

5.3.1 Toxicity of Selenium

5.4 Selenium Phytotoxicity. 5.4.1 Se Uptake and Accumulation

5.4.2 Effect of Se on Plants

5.5 Conclusion

References

6 Various Analytical Techniques for Se Determination in Different Matrices

6.1 Introduction

6.1.1 Health Hazards: Impact of Se on Human Health

6.1.2 Industrial Techniques Used for Selenium Removal

6.1.3 Se Monitoring Recommendations

6.1.4 Development and Challenges during Se Treatment Practices

6.2 Spectroscopic Techniques. 6.2.1 Atomic Absorption Spectrometry (AAS)

6.2.2 Flame Atomic Absorption Spectrometer (FAAS)

6.2.3 Inductively Coupled Plasma‐Atomic Emission Spectrometry (ICP‐AES)

6.2.4 Inductively Coupled Plasma Mass Spectrometry (ICP‐MS)

6.2.5 Inductively Coupled Plasma‐Optical Emission Spectrometry (ICP‐OES)

6.3 Chromatographic Methods

6.4 Electroanalytical Methods

6.4.1 Other Analytical Methods

6.4.2 Atomic Fluorescence and Emission Spectroscopy (AFS and AES)

6.5 Electrochemical Methods

6.6 Other Analytical Methods

6.7 X‐Ray Techniques

6.7.1 Activation Investigation

6.8 Conclusions

References

7 Voltammetric Sensors and Materials for Selenium Detection in Water

7.1 Introduction

7.2 Voltammetric Method: Basic Principles and Mechanism

7.3 Type of Voltammetric Methods for Selenium Detection in Water

7.3.1 Stripping Voltammetry

7.3.1.1 Anodic Stripping Voltammetry

7.3.1.2 Cathodic Stripping Voltammetry (CSV)

7.3.2 Square Wave Voltammetry

7.3.3 Linear Sweep Voltammetry

7.3.4 Cyclic Voltammetry

7.3.5 Differential Pulse Voltammetry (DPV) Methods

7.4 Electrodes and Electrode Materials/Modifiers for Voltammetric Detection of Selenium in Water: Designing and Sensing Performance. 7.4.1 Electrodes

7.4.2 Electrode Materials

7.5 Realization of Voltammetric Sensors for Selenium Detection in Water: Concluding Remarks and Future Scope

References

8 Optical Sensors and Materials for Selenium Determination in Water

8.1 Introduction

8.2 Health Effects and Sources of Selenium Toxicity

8.3 Sensing Principles and Design of Optical Sensory Probes

8.4 Advances in Optical Sensory Probes: A Meta‐Analysis on Optical Materials

8.4.1 Absorbance‐Based Platforms

8.4.2 Photoluminescence‐Based Platforms

8.5 Commercial Optical Sensors for Selenium Analysis

8.6 Summary and Future Outlook

References

9 Biosensors for the Detection of Selenium in Environment

9.1 Introduction

9.2 Biosensors and Their Types

9.2.1 Working

9.2.2 Types of Biosensors

9.3 Biosensors for Selenium Detection. 9.3.1 Enzyme‐Based Biosensors

9.3.2 Whole Cell‐based Biosensors

9.3.3 DNA‐based Biosensors

9.4 Conclusion

References

10 Physical and Chemical Methods for Selenium Removal

10.1 Introduction. 10.1.1 Selenium and Origin of Contamination

10.1.2 Why Se Removal is Essential

10.2 Methods Available for Se Removal

10.3 Physical Methods for Se Removal

10.3.1 Reverse Osmosis

10.3.2 Nanofiltration

10.4 Chemical Methods for Se Removal

10.4.1 Precipitation

10.4.2 Adsorption

10.4.3 Ion Exchange

10.4.4 Photocatalytic Reduction

10.4.5 Zero‐Valent Ion Reduction

10.4.6 Electrochemical Methods

10.5 Combination of Physical and Chemical Methods

10.6 Conclusion

Acknowledgments

References

11 Chemical Methods for Removal and Treatment of Selenium from Water

11.1 Introduction

11.2 Selenium Removal Methods

11.3 Chemical Treatment

11.4 Adsorption. 11.4.1 Magnetic Graphene Oxide Nanocomposite

11.4.2 Dendrimer Functionalized Graphene Oxide

11.4.3 Poly (allylamine) (PAA) –Graphene Oxide

11.4.4 Hematite‐Coated Magnetic Nanoparticles (MNPs)

11.4.5 Organic Ligands

11.4.6 Se Adsorption Using Metal Oxides/Hydroxides

11.4.7 FeOOH

11.4.8 Natural Goethite

11.4.9 Biosorption

11.4.10 Chitosan‐Nanocomposite Hollow Fibers

11.4.11 Modified Cellulose Aerogels

11.4.12 Ion‐Imprinted Polymeric Adsorbents

11.5 Combination of Adsorption and Ion Exchange. 11.5.1 Iron Oxide‐anion Exchange Resin

11.5.2 Ferrous‐Manganese Hydrous Oxide

11.6 Combination of Adsorption and Reduction. 11.6.1 Zero‐Valent Iron

11.6.2 Biosynthesized Nanoscale Zero‐Valent Iron

11.7 Precipitation and Reduction

11.8 Bioreactor (Reduction)

11.9 Conclusions

Acknowledgment

References

12 Biological Treatment Advancements for the Remediation of Selenium from Wastewater

12.1 Introduction

12.2 Bacteria‐Mediated Selenium Removal

12.2.1 Mechanism

12.2.2 Treatment Technologies

12.2.2.1 Biofilm Bioreactor

12.2.2.1.1 ABMet

12.2.2.1.2 FBR (Fluidized Bed Reactor) System

12.2.2.1.3 MBfR (Membrane Biofilm Reactor) System

12.2.2.1.4 BSeR System

12.2.2.2 Sludge‐Based Bioreactors

12.2.2.2.1 UASB Reactor

12.2.2.2.2 SBR Reactor

12.2.2.3 Selenium Volatilization

12.3 Algae‐Mediated Se Removal

12.3.1 Mechanism

12.3.2 Treatment Technologies. 12.3.2.1 Constructed Wetland

12.3.2.2 Algal‐Bacterial Selenium Removal (ABSR) System

12.3.2.3 Biosorption

12.4 Phytoremediation

12.4.1 Phytoremediation Processes

12.4.1.1 Phytoextraction

12.4.1.2 Phytovolatilization

12.5 Remediation of Selenium by Fungi

12.6 Conclusion

Acknowledgment

References

13 Nanomaterials for the Remediation of Selenium in Water

13.1 Introduction

13.2 Various Selenium Remediation Techniques

13.2.1 Chemical Precipitation

13.2.2 Phytoremediation

13.2.3 Bioremediation

13.2.4 Coagulation‐Flocculation

13.2.5 Electrocoagulation (EC)

13.2.6 Co‐Precipitation Method

13.3 Selenium Removal Using Adsorption

13.4 Nano Materials for Remediation of Selenium in Water

13.4.1 Single Metallic Nanoparticles as Adsorbents

13.4.2 Mixed Metal‐Based Nanoparticles

13.4.3 Magnetic Nanoparticles

13.4.4 Nanocomposites

13.4.4.1 Nanocomposites Using Inorganic Frameworks

13.4.4.2 Nanocomposites Using Porous Polymeric Matrix

13.4.4.3 Carbon/Graphene‐Based Nanocomposites

13.4.5 Photocatalytic Nanoparticles/Nanocomposites (Titanium‐Based Nanoparticles)

13.5 Conclusions and Future Trends

References

14 Harnessing Biogeochemical Principals for Remediation of Selenium‐Contaminated Soils

14.1 Introduction

14.2 Selenium as a Nutrient for Humans and Animals

14.3 Selenium Toxicity to Humans

14.4 Selenium Toxicity in Plants

14.5 Selenium Toxicity in Animals

14.6 Sources of Selenium: Natural and Anthropogenic

14.7 Concentrations of Selenium in Terrestrial, Aquatic, and Atmospheric Environments

14.8 Selenium Chemistry and Movement in the Environment

14.9 Conventional Remediation Techniques

14.10 Nanomaterial‐Based and Innovative Remediation Techniques

14.11 Conclusions

References

15 Membrane Separation Technologies for Selenium

15.1 Introduction

15.2 Se Resources

15.2.1 Soil

15.2.2 Waters

15.2.3 Plants

15.2.4 Air

15.2.5 Food

15.3 Health Hazards

15.4 Membrane Applications

15.4.1 Hybrid System

15.4.2 Adsorbent Membrane

15.4.3 Ultrafiltration and Nanofiltration

15.4.4 Novel Thin‐film Composite Membranes. 15.4.4.1 What Is TFC?

15.4.4.2 Thin‐Film Nanocomposite Membranes

15.4.4.3 TFC & Zwitterionic Polymer

15.4.5 Functionalized Nanowire Membrane

15.5 Commercial Aspect

15.6 Conclusion

References

16 Intensifying Approaches for Removal of Selenium

16.1 Introduction

16.2 Selenium

16.3 Selenium and Wastewater

16.4 Process Intensification

16.5 Process Intensification in Wastewater Treatment

16.6 Conventional and Intensified Ways for Selenium Removal

16.6.1 Biological Treatment

16.6.1.1 Microbial Reduction

16.6.1.2 Microbial Volatilization

16.6.1.3 Enzymatic Reduction

16.6.1.4 Enhanced In‐Situ Microbial Reduction

16.6.1.5 Algal Treatment

16.6.1.6 Microbial Fuel Cell

16.6.1.7 Packed Bioreactor

16.6.1.8 Fluidized Bed Reactor

16.6.1.9 Hydrogen‐Based Membrane Biofilm Reactor

16.6.1.10 Moving Bed Biofilm Reactor

16.6.1.11 Biochemical Reactor

16.6.2 Constructed Wetlands

16.6.3 Phytoremediation

16.6.4 Adsorption

16.6.4.1 Metal Oxides

16.6.4.2 Activated Adsorbents

16.6.4.3 Low‐Cost Adsorbent

16.6.4.4 Soil as Adsorbent

16.6.4.5 Layered Double Hydroxides

16.6.4.6 Ferrihydrite Adsorbent

16.6.4.7 Maghemite Adsorbent

16.6.4.8 Conjugate Adsorbent

16.6.4.9 Graphene Oxides

16.6.4.10 Ion Exchange

16.6.4.11 In‐Situ Solidification and Chemisorption

16.6.4.12 Nanoadsorbents

16.6.4.12.1 Metal Oxide/Hydroxide Nanomaterial

16.6.4.12.2 Ligand Immobilized Nanocomposites

16.6.4.12.3 Nanoparticle Graphene Oxide

16.6.4.12.4 Nanocomposites Layered Double Hydroxide

16.6.4.12.5 Polymer‐Clay Nanocomposites

16.6.5 Membrane Technologies

16.6.5.1 Reverse Osmosis

16.6.5.2 Emulsion Liquid Membranes

16.6.5.3 Nanofiltration

16.6.5.4 Ceramic Microfiltration

16.6.6 Oxidation/Reduction

16.6.6.1 Zero‐Valent Iron (ZVI)

16.6.6.2 Catalyzed ZVI

16.6.6.3 Advanced Reduction Process

16.6.6.4 Nanoscale Zero‐Valent Iron (nZVI)

16.6.7 Evaporation

16.6.7.1 Evaporation Ponds

16.6.7.2 Enhanced Evaporation Systems

16.6.7.3 Salinity Gradient Solar Pond

16.6.7.4 Mechanical Evaporator/Crystallizer

16.6.8 Coagulation

16.6.9 Electrocoagulation

16.6.10 Photoreduction

16.6.11 Precipitation

16.6.12 Permeable Reactive Barriers

16.7 Discussion

References

17 The Emerging Threat of Selenium Pollution: A Spatial Analysis of Its Sources and Vulnerable Areas in India

17.1 Introduction

17.2 Understanding of Selenium. 17.2.1 Selenium Chemistry

17.2.2 Uses of Selenium

17.3 Toxicity of Selenium. 17.3.1 Selenium as a Toxic Substance

17.3.2 Mechanism of Selenium Toxicity

17.4 Selenium Pollution. 17.4.1 State of Art of Selenium Pollution

17.4.2 Mechanism of Selenium Pollution

17.4.3 Pollution at Global Level

17.4.4 Selenium Pollution of Aquifers in India

17.5 Identification of Vulnerable Areas

17.5.1 Least Vulnerable Areas

17.5.2 Moderately Vulnerable Areas

17.5.3 Highly Vulnerable Areas

References

Index. a

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Edited by

.....

Ipsita Nandi Institute of Environmental Science Banaras Hindu University Varanasi Uttar Pradesh India

Sakshi Narula CSIR – National Institute of Science Technology and Development studies (CSIR-NISTADS) New Delhi India

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