PrefaceChapter 1: Membranes and Membrane TechnologiesApplication of Hybrid Conventional Filter and PVDF-TiO2/SBE Hollow Fibre Membrane for Peat Water TreatmentComparison of Hollow Fiber and Flat Sheet Membranes for Removing TDS and Turbidity of Palm Oil Mill Effluent WastewaterOrganosilane Modification of Lignin and Lignosulfonate: Structure and Compatibility in PVDF MembraneChapter 2: Functional MaterialsBiosynthesis of Gold Nanoparticles Using Sambiloto Leaf Extracts and its CharacteristicsThe Formation of Porous Silicon Using Vertical Photoelectrochemical Method with Laser Energy VariationChapter 3: CompositesCompare the Properties of Composite Material by Date Leaves with Different AdditivesBallistic Performance of Polycarbonate Plate Subjected to Truncated Cone Projectile