This project presents the design and development of a solar-powered fertilizer manufacturing machine that utilizes kitchen waste as a primary feedstock. The growing concern over waste management and the need for sustainable agricultural practices prompted the exploration of innovative solutions to recycle organic waste into valuable resources. The proposed machine employs a two-stage process: first, the anaerobic digestion of kitchen waste to produce biogas and digestate, followed by the solar-assisted thermal treatment of the digestate to create nutrient-rich organic fertilizer. By harnessing solar energy, the system minimizes reliance on conventional energy sources, reducing operational costs and environmental impact. The machine is designed for ease of use in urban households, promoting local waste management and fostering community involvement in sustainable practices. Pilot studies indicate a significant reduction in kitchen waste volume and the successful production of high-quality organic fertilizer, which can enhance soil health and crop yield. This project aims to contribute to a circular economy by transforming waste into a resource while addressing the dual challenges of
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