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2025 AOCS Annual Meeting & Expo.

Industrial Oil Products

Analytical

Advanced Analytical Methods for Biofuels and Renewable Energies

Advanced strategies for a zero-waste biorefinery: Valorization of agro-industrial waste into biogas and biofertilizers

Tuesday, April 29, 2025
9:15 AM – 9:35 AM PST
Room: C124
Abstract: This study presents an integrated zero-waste biorefinery model for the sustainable valorization of strawberry guava (Psidium cattleianum) agricultural residues. Using a combination of solid-liquid extraction (SLE) and anaerobic digestion (AD), the process enabled the recovery of natural antioxidants, methane-rich biogas, and nutrient-dense biofertilizers. The optimized extraction conditions facilitated efficient recovery of bioactive compounds, while the AD process generated renewable energy and nutrient-rich digestate, enhancing agricultural productivity. This comprehensive approach highlights the potential of agricultural residues to produce high-value products, reduce environmental impacts, and promote sustainable circular economy practices, benefiting both local communities and ecosystems.
Keywords: zero-waste, biorefinery, Psidium cattleianum, antioxidants, biogas, biofertilizers.