This is the only book that takes a zero-waste approach to propose 100% sustainable water purification techniques.
Table of Contents1 Introduction
1.1 Opening Remarks 1
1.2 Climate-Water-Food Nexus 5
1.3 Background 8
1.4 Insufficiency in Water Purification Processes 9
1.5 Introduction to Zero Waste Engineering 11
1.6 Scope of the Book 12
1.7 Organization and Introduction of the Chapters 12
2 Water Science
2.1 Introduction 15
2.2 Unique Features of Water 16
2.3 Natural State of Matter 30
2.4 Source of Water and Its Role in Sustaining Life 37
2.4.1 Inorganic Minerals 38
2.4.2 Organic Contaminants 49
2.4.3 Radioactive Minerals 49
2.4.4 Biological 50
3 Sustainability of Current Water Purification Technologies
3.1 Introduction 59
3.2 Sustainability Criteria 68
3.3 Sustainability in the Information Age
and Environmental Insult 69
3.3.1 Agriculture and Development 71
3.3.2 Desertification 72
3.3.3 Ecosystem Change 72
3.3.4 Fisheries 72
3.3.5 Deforestation 73
3.3.6 Marine Litter 74
3.3.7 Water Resources 75
3.4 Biological Processes 77
3.4.1 Sulfate Reducing Bacteria 80
3.5 Chemical Precipitation 82
3.6 Membrane Separation 85
3.6.1 Microfiltration 88
3.6.2 Ultrafiltration 90
3.6.3 Nanofiltration 92
3.6.4 Reverse Osmosis 95
3.7 Ion Exchange 97
3.8 Ozonation 99
3.9 UV Radiation 104
3.10 Adsorption 107
3.10.1 Existing Sorbents 108
3.10.2 Agricultural Waste 109
3.10.3 Industrial By-Products 114
3.10.4 Natural Materials 118
4 Sustainable Drinking Water Purification Techniques
4.1 Introduction 123
4.2 Natural Lifestyle 126
4.2.1 Environmental Awareness 131
4.2.2 Corporatization and Healthcare 134
4.2.3 Death and Lifestyle 135
4.2.4 Role of Water in Bodily Functions 140
4.2.5 A Relevant Anecdote 147
4.3 Natural Minerals 148
4.3.1 Filters 149
4.3.2 Ground Water Recharge 150
4.3.3 Aeration 150
4.3.4 Brick, Clay and Others 150
4.4 Solar UV Treatment 151
4.5 Natural Ozonation 152
5 Sustainable Purification Techniques for Agricultural Waters
5.1 Introduction 155
5.2 Organic vs. Chemical Agricultural Practices 161
5.2.1 Denaturing for a Profit 169
5.2.2 The Consequences 170
5.2.3 The Sugar Culture and Beyond 172
5.3 Removal of Heavy Metals 179
5.3.1 Application of Wood Sawdust for
Removal of Heavy Metals 181
5.3.1.1 Composition, Structure and Morphology
of Wood 182
5.3.1.2 Structure and Morphology of Wood 183
5.3.1.3 Removal of Heavy Metals Using Wood
Saw Dust 191
5.3.1.4 Conclusion 206
5.4 Removal of Heavy Metals Using Fish Scale 208
5.4.1 Fish Scale Collection and Treatment 208
5.4.2 Experimental Setup and Procedure 209
5.4.2.1 Static Method 209
5.4.2.2 Dynamic Method 211
5.4.3 Conclusions 215
5.5 Solar UV Treatment 216
5.5.1 Effects of UV-Radiation 217
5.5.2 Effects of Temperature (Infrared Radiation) 218
5.5.3 Advantages of Solar Water Disinfection (SoDis) 218
5.5.4 Limitations of Solar Water Disinfection 219
5.6 Bioremediation for Sustainable Purification of Water 219
6 Sustainable Purification Techniques for Industrial Wastes
6.1 Removal of Radionuclides 221
6.2 Removal of Heavy Metals Precious Metals 224
6.2.1 Precious Metals and Heavy Metals Recovery 225
6.3 Industry Lifestyle Change 231
6.3.1 Mercury 236
6.3.2 Sal Ammoniac 241
6.3.3 Sulphur 245
6.3.4 Arsenic Sulphide 250
6.3.5 Refining Techniques 256
6.4 The Energy/Water Crisis 258
6.4.1 Are Natural Resources Finite and Human
Needs Infinite? 258
6.4.2 The Finite/Infinite Conundrum 268
6.5 Certain Sustainable Technologies 270
6.5.1 Direct Use of Solar Energy 270
6.5.2 Effective Separation of Solid from Liquid 274
6.5.3 Effective Separation of Liquid from Liquid 275
6.5.4 Agricultural Waste for Water Purification and Value
Addition 276
6.5.4.1 Orange Peel 277
6.5.4.2 Pomelo Peel 277
6.5.4.3 Grapefruit Peel 278
6.5.4.4 Lemon Peels 278
6.5.4.5 Banana Peel 279
6.5.4.6 Cassava Peel 280
6.5.4.7 Jackfruit Peel 281
6.5.4.8 Pomegranate Peel 281
6.5.4.9 Garlic Peel 282
6.5.5 A Novel Desalination Technique 283
6.5.6 A Novel Separation Technique 296
7 Summary and Conclusions
7.1 Summary 297
7.2 Conclusions 298
7.2.1 Chapter 1: Introduction 298
7.2.2 Chapter 2: Water Science 298
7.2.3 Chapter 3: Sustainability of Current Water
Purification Techniques 299
7.2.4 Chapter 4: Sustainable Drinking Water Purification
Techniques 299
7.2.5 Chapter 5: Sustainable Purification Techniques
for Agricultural Wastes 300
7.2.6 Chapter 6: Sustainable Purification Techniques
for Industrial Wastes 300
References and Bibliography 301
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