PrefaceChapter 1: Wastewater Treatment Techniques for Dyes RemovalProfile of the Adsorption Ability of Sulfonate-Modified Lignocellulose Based on Bagasse Waste to Some Batik Textile DyesThe Effectiveness of Arenga Pinnata Fiber Carbon Modified with Iron Oxide as an Adsorbent for Various Cationic DyesBentonite Impregnation Ammonium-Assisted as Eco-Friendly Dye Adsorbent: Analyses of Kinetics and Thermodynamics in Cationic Dye AdsorptionCoconut Shell Charcoal Combination with Teakwood Sawdust (CSC-TS): An Effective Low-Cost Adsorbent for the Removal Cr(VI) Ion on Industrial WasteChapter 2: Food ChemistryAntibacterial Activity Edible Coating of Jackfruit Seed Starch and Alginate Incorporated with ZnO Nanoparticles Applied to Cherry TomatoesPhysicochemical and Characterization Nano-Calcium Catfish Bone Flour (Clarias gariepinus)Anthocyanins from Java Plum Fruits (Syzygium cumini) and Their Stability in Various pHsApplication of Microbial Fuel Cell (MFC) for Bioremediation of AmmoniaChapter 3: Materials for Biomedical ApplicationsElectrosprayed Chitosan Nanoparticles for Drug Carriers in Cancer Treatment - A Mini ReviewThe Effect of Curcumin on Blood Glucose Patients with Type 2 Diabetes Mellitus: A Systematic ReviewPublic Perception of the Chemical Composition of Covid-19 Vaccine that Hinders the Implementations of COVID-19 Vaccination in IndonesiaAlcohol-Based Hand Sanitizer Combination of Eucalyptus Oil Extract against Aspergillus Niger FungusSynthesis of Colloidal Silver Nanoparticles Using Alginate as Reducing and Stabilizing Agents and its Application as Antibacterial MaterialChapter 4: BiocompositesEffects of Nanocellulose Extracted from Pineapple Leaf Fiber Incorporation on the Physico-Chemical and Thermal Properties of Reinforced Epoxy NanocompositesEco-Friendly of Sound-Absorbing Material Based on Polyurethane-Urea with Natural Fiber WasteChapter 5: Biofuel ProductionEffect of Added Acrylate Demulsifier for Increasing Antioxidants Functional in Diesel Fuel OilWaste Cooking Oil Purification with Various Adsorbents for Synthesizing BiodieselChapter 6: Technologies of Chemical ProductionComparation Review between of Titania (TiO2) Synthesis Using CTAC and Fe-TiO2 Synthesis Using Pluronic P123 as SurfactantThe Structural Change of TiO2 and Fe2O3 Using P123 Template: ReviewThe Effect of Reductor Type in Thermal Upgrading of Limonite