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Dec 15,  · Compositing: Li et al. recommended that kitchen wastes, largely agricultural solid waste from food wastage could be used as an animal feed via sterilization, fertilizer via composting and bioenergy via anaerobic digestion. These wastes are important candidates for compositing owing to their high organic matter content and nutrients, although.

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The collected methane gas is used to produce biogas. The biogas can be used for electricity generation, or as fuel for heating systems and transportation. The whole process creates a digestate which is rich in nutrients which is used as fertilizer in agriculture, and also in the process of land regeneration. Food waste recycling: Solutions 1.