1. Adsorption Processes in Biopolymer Systems: Fundamentals to Practical Applications 2. Plant polysaccharide-based adsorbents 3. Chitin and chitosan as adsorbents 4. Nanocellulose: A sustainable and Renewable Material for Water and Wastewater Treatment 5. Lignin, the most abundant natural polymer as bio- and nanosorbents 6. Agrowaste-derived adsorbents for water purification 7. Natural polymer-based organic-inorganic hybrid nanosorbents 8. Lignocellulosics as adsorbents for removal of dyes from water 9. Adsorbents based on chemically modified natural polymers 10. Conductive polymer-based nanocomposites for removal of hexavalent chromium and arsenide from wastewater solution 11. Natural polymers-based hydrogels for adsorption applications 12. Polymer nanocomposites based on alginate and their blends for remediation of pollutants from wastewater