Résumé de section

    • Course outline Page

      Part 1: Waste Valorization through Methanization

      • I. Waste Valorization through Methanization:

        • I.1. Waste Management

        • I.2. Biological Waste Treatment (Generalities)

          • I.2.1. Main types of waste concerned

          • I.2.2. Energy metabolism and its implications (Theoretical aspects, Aerobic respiration, Anaerobic respiration and fermentations, Practical implications)

      • II. Anaerobic Digestion of Waste: Biomethanization:

        • II.1. Definition

        • II.2. Metabolic steps of methanization (Hydrolysis & Acidogenesis, Acetogenesis, Methanogenesis)

        • II.3. Key parameters of methanic fermentation:

          • Temperature

          • Redox potential

          • pH and buffer equilibrium

          • Hydrogen partial pressure

          • Nutrient requirements & C/N ratio

          • Moisture content & Pre-treatments

          • Methanization inhibitors

      • III. Biogas:

        • III.1. Definition & Characterization (Chemical composition, Properties, Energy valorization)

        • III.2. Methanization Bioreactors:

          • Classification by feeding mode, substrate type, and number of stages

        • III.3. Gas Purification Systems ($\text{CO}_2$ and $\text{H}_2\text{S}$ removal)

        • III.4. Advantages and disadvantages of anaerobic digestion

      • IV. The Rumen Ecosystem

      • Biogas digester animation on Make a GIF
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