Advanced Materials for Wasteater Treatment [Hardcover]

Over the past few decades, rapid industrialization, fast urban encroachment, and improved agricultural operations have introduced substantial amounts of potentially toxic organic substances into the atmosphere and into the aquatic and terrestrial environments.

Advanced Materials for Wastewater Treatment brings together innovative methodologies and research strategies to remove toxic effluents from wastewaters.With contributions from leading scientists from all around the world, the book provides a comprehensive coverage of the current literature, up-to-date overviews of all aspects of toxic chemical remediation including the role of nanomaterials.

Preface xv

1 Arsenic: Toxic Effects and Remediation 1
Sharf Ilahi Siddiqui and Saif Ali Chaudhry

1.1 Introduction 1

1.2 Arsenic Concentration in Water 2

1.3 Exposure of Arsenic in Human Body 3

1.4 Metabolism and Excretion of Arsenious Compounds 4

1.5 Arsenic Toxicity and Mechanism 6

1.5.1 Oxidative Stress 6

1.5.2 Binding to Sulfhydryl Group 7

1.5.3 Replacement of Phosphate Group 8

1.5.4 Alternation in the Gene Expression 9

1.5.5 Arsenic Impairs Glucose Catabolism 9

1.6 Detoxification of Arsenic 10

1.6.1 Antioxidants Agents 10

1.6.2 Chelating Agents 11

1.7 Arsenic Remediation Technologies 12

1.8 Adsorption and Recent Advancement 15

1.9 Conclusion 16

Acknowledgment 17

Abbreviations 17

References 18

2 Recent Trends in Textile Effluent Treatments: A Review 29
Shumaila Kiran, Shahid Adel3'