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Published Subscription Review Article
Co-Digestion of Sewage Sludge and Food Waste for Enhanced Bio-fertilizer ProductionBy Al-Amin Shafa Abdulkarim, Jibril Mohammed, Kabir Abogunde Abdulyekeen, Olamide Olu Olubajo, Umar Adam Musa
Abstract: This study investigated the production and effectiveness of liquid and solid biofertilizers derived from co-digested water treatment plant sludge and food waste, with the aim of enhancing soil fertility and plant growth while ensuring microbiological safety. Biofertilizer samples were formulated at three concentrations (100%, 75%, and 50% sludge-based mixtures) and evaluated for physicochemical quality, microbial composition, and agronomic performance on test crops. The microbial assessment of liquid formulations revealed total …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 3, 2026 · pp. 1–11 Read article →