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The Main Stages of Waste Degradation in a Landfill. Process. Products. Leachate. Waste organic fraction. Time. gases. Hydrolysis and Aerobic Degradation. Stage 1. CO 2 H 2 O. Aerobic. Anaerobic. Hydrolysis & Fermentation. Organic Acids, H 2, CO 2 H 2 O Ammoniacal nitrogen.
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The Main Stages of Waste Degradation in a Landfill Process Products Leachate Waste organic fraction Time gases Hydrolysis and AerobicDegradation Stage 1 CO2 H2O Aerobic Anaerobic Hydrolysis & Fermentation Organic Acids, H2, CO2 H2 O Ammoniacal nitrogen Stage 2 Autogenesis Stage 3 Acetic Acid, H2, CO2 Methanogenesis Stage 4 CH4 CO2 Anaerobic Aerobic Oxidation CO2 Stage 5 Leachate (After HMSO (UK), 1995, Waste Management Paper 26B)