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LEACHATE AND GAS GENERATION Mai Syadiah binti Khidzir (2016249822) …

- - - - most of the parameters examined in the leachate samples found higher in the fresh leachate than aged leachate
    - - Non hazardous
      - hazardous
- - - - Aerobic bacteria consume oxygen and break down the long molecular chains of complex carbohydrates, proteins, and lipids
    - - Anaerobic bacteria will take place and convert compounds into acetic, lactic, formic acids and alcohols
      - Start after all the oxygen has been used up
    - - Start when certain anaerobic bacteria consume the organic acids produced and form acetate
    - - Start when the composition and production rates of landfill gas remain relatively constant.
  - - - Move from the high concentrations areas to lower concentrations areas.
    - - Move from high pressure area to low pressure area.
    - - Move through high permeability area (e.g., sand or gravel) rather than through ow permeability area (e.g clay or silt).