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
Modifié le: mercredi 30 septembre 2026, 12:58