The main byproduct is glycerin, which can be refined and sold for cosmetics, soaps, or industrial use. Protein-rich solids from rendering can be converted into animal feed, fertilizer, or biogas feedstock. Small amounts of methanol-water mix can be recovered and reused. The GlobeCore USB system includes glycerin separation and methanol recovery modules, enabling sustainable waste management and improving economic returns. Efficient byproduct utilization enhances the circularity of beef tallow biodiesel production.