The book presents the proceedings of the International Conference on "Sustainable Processes and Clean Energy Transition" (2022).Topics covered include Biomass and Biofuel, Green Processes and Materials, and Safety and Energy Systems. Keywords: Palm Oil, Acid Gases, Syngas, Graphitic Carbon Nitride, Bioactive Compounds, Carbon Fiber Reinforced Plastics, Saline Water, Synthesis of Mxene, Bioethanol Production, Urea Fertilizer, Synthetic Wastewater, Porous Media, Palm Kernel, Biodiesel Purification, Lignocellulose, Human Reliability Assessment, Flax/Elium Biocomposites, Geopolymer, Energy Generation, Recycling of Lithium-ion Batteries, Arsenic Removal from Water, Gas Turbine Combustion, Machine Learning Models, Chicken Eggshell, Agriculture Biomass, Carbon/Graphene Electrodes, Blood Mimicking Fluid, Computational Study, Catalytic Microwave Heating, Freezing Point Depression, Petroleum Refinery, Safety Assessment, Flammability Parameter, Urea Granule Fertilizer, Paint & Coating, Methane, Catalyst for Syngas Production, Bacterial Biomass. Graphene Nanoplatelets, Nafion, Resource Assessment, Ultra-fine Friction Grinding, Renewable Energy Policy.