Chapter 1. Introduction to recycling composites.- Chapter 2. Recycling of Polymeric Membranes.- Chapter 3. Composites based on polymeric matrices recycled from different wastes and natural fibers.- Chapter 4. Mechanical Properties of Recycled Polyolefin Composites.- Chapter 5. Polymeric substances recycled from excess sludge in wastewater treatment plant.- Chapter 6. Recycling of ground tire rubber according to the literature.- Chapter 7. Polymer Processing Technology to Recycle Polymer Blends.- Chapter 8. Sustainable Materials from Recycled Polypropylene Waste and Green Fillers: Processing, Properties & Applications.- Chapter 9. Comparative Studies of Natural Rubber/Virgin Ethylene Propylene Diene Rubber and Natural Rubber/Recycled Ethylene Propylene Diene Rubber and Natural Rubber/ Blends.- Chapter 10. Optimization of Accelerators on the Properties of Natural Rubber/Recycled Ethylene Propylene Diene Rubber Blends.- Chapter 11. Compatibilization of Natural Rubber/Recycled Ethylene Propylene Diene Rubber Blends.- Chapter 12. Effect of Metal Oxide Content on the Mechanical and Thermal Properties of Natural Rubber/Recycled Chloroprene Rubber Blends.- Chapter 13. Chloroprene Rubber Waste as Blend Component with Natural Rubber, Epoxidized Natural Rubber and Styrene Butadiene Rubber.- Chapter 14. Recycled cellulose and cellulose based materials by gamma rays and its use as reinforcement in composites.- Chapter 15. Tensile, Thermal Properties and Biodegradability Test of Paddy Straw Powder-filled Polyhydroxybutyrate-3-Valerate (PHBV) Biocomposites: Acrylation Pretreatment.- Chapter 16. Comparison between Natural Rubber, Liquid Natural Rubber and Recycled Natural Rubber as Secondary Matrix in Epoxy/Natural Rubber/Graphene Nano‐Platelets System.- Chapter 17. Recycling of commonly used waste plastics to fabricate membranes for filtration applications.- Chapter 18. Recycled Polymer Bio-Based Composites: A Review of Compatibility and Performance Issues.- Chapter 19. Productionand Recycling of Biocomposites: Present Trends and Future Perspectives.- Chapter 20. Recycled Polyethylene Blends and Composites: Current Trend, Technology and Challenges.- Chapter 21. Recycled Polyethylene Terephthalate Blends and Composites: Impact of PET waste, Engineering Design and their Applications.