Chapter 1: Synthesis and Optical Properties of Metal-Organic FrameworksSynthesis and Optical Properties of Copper Terephthalate Metal Organic Frame WorksStudy of Temperature Effect on the Structure and Optical Properties of RIT- 62 Cu-MOFsChapter 2: Waste RecyclingCoconut Shell Liquid Smoke Production Quality from Size and Power Using Microwave-Assisted PyrolysisSynthesis and Electrochemical Properties of ZnO/ Activated Carbon from Vetiver Distillation WasteOptimization of Methylene Blue Ultrasound-Assisted Adsorption onto Magnetic Sugarcane Bagasse Activated Carbon Using Response Surface MethodologyLDPE Film Waste Treatment into Liquid Fuel Using Catalytic CrackingStudy of the Degradation of Dyes by a Mononuclear Copper Complex Forming a Zigzag Chain