ABSTRACT
This article explores the potential of microwave-induced plasma technology for gasifying sewage sludge (SS) and recovering energy. It addresses waste management challenges and the need for sustainable energy sources. Guided by EU environmental policies and circular economy initiatives, the study focuses on plasma gasification as a thermochemical conversion process. Plasma gasification offers advantages like high temperatures, efficient carbon conversion, and versatility in handling different feedstock materials. The resulting syngas can be used for power generation, chemical production, and synthetic fuels. Microwave (MW) plasma systems are modular, cost-effective, and suitable for decentralized waste treatment, promoting local sustainability. The proposed gasification reactor design incorporates a plasma torch, cyclone-type particle separator, catalytic converter, and scrubber. The environmentally friendly inert slag produced can be utilized in various applications. Plasma gasification, especially using MW plasma, shows promise for waste management, energy production, and environmental preservation. However, challenges such as initial costs and economic performance must be considered for successful commercialization.
