Preface Chapter 1: Biobased and Naturally Derived Materials Innovative Bioplastic-Lead Composites for Radiation Dose Reduction in Femur Examinations: Optimizing Portrait and Diagonal Detector Positions Through Image and Anatomical Analysis Effects of Catalyst Loading and Reaction Temperature on the Production of Hydroxymethylfurfural (HMF) from Brewers' Spent Grain (BSG) Hydrolysate Advances and Trends in the Development of Organic-Based Composite Materials with Polymeric Matrices Kraft Pulping of Mango Seed Husk: Lignin Yield Optimization and Potential Resin Application Effects of the Packaging Material and Storage Time on the Controlled Release of the Volatile Compounds in Lemongrass and Cinnamon in Cinnamal Tea Bags Analysis of Functional Groups in 3D Printing Filaments Made from Biocomposite Polymer and OPEFB Natural Fiber Chapter 2: Wastewater Treatment and Water Purification, Waste Recycling Green Synthesis of Azolla Pinnata Extract Nanoparticles for Nickel Removal from Industrial Wastewater: An Optimization Study Physical Characteristics and Oil Sorption Behavior of Fibers Derived from Oil Palm Empty Fruit Bunch Spikelets Review of Potential Waste Recycling Materials in Microbial-Induced Calcite Precipitation Technology Utilization of Magnetic Charcoal from Oil Palm Shells in Reducing Free Fatty Acids (ALB) of Used Cooking Oil as a Pretreatment for Biodiesel Production Proposal for Alternative Recycled Plastic Formwork System for Tie Columns and Tie Beams Analysis of Muara Angke Well Water Quality before and after Filtering with Sedimentation Technique Sustainable Removal of Heavy Metals from Aqueous Solutions Using Untreated Cellulose from Office Paper Waste Based on the Circular Economy Approach Manufacture and Recycle Environmental Waste Materials to Eliminate Soil Salinity The Ability of Indigenous Bacterial Isolates and their Biosurfactants to Treat the Oily Sludge in the South Refineries Company, Basrah, Iraq.