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LANDFILL DESIGN, Carried out after the daily portion of tipping, Carried…

- - - - Means to collect gases
      - Control and treat gases
      - Use gases to benefits the community
    - - Passive Gas Collection System
      - Active Gas Collection System
        
        Should be considered for all deep landfill sites
    - - Landfill Cover
      - Flaring
      - Venting
  - - - Rainfall
      - Groundwater
      - Surface drainage
      - Water from underground springs
    - - Discharge
      - Evaporation
      - Recycling
        
        Collect & recirculate leachate through landfill (greater rate of gas production)
      - Treatment
        
        On site treatment
        
        Reed bed
        
        Wetland System
        
        Aerated lagoon
        
        Advantages
        
        Prevent public disturbances
        
        Potential for fertilization production
        
        Lowest cost
  - - - Landfill Gas
        
        Carbon Dioxide
        
        Hydrogen Sulfide
        
        Methane
        
        Ammonia
    - - Tyoe of waste
      - Volume of potentially odorous material
      - Time required to unload and cover
      - Meteorological and topographic conditions
      - Size of working face
      - Time of day
    - - Illness
        
        Depression
        
        Asthma
        
        Phychological
      - Health effect
        
        Sore throat
        
        Cough
        
        Nausea
    - - Cover the waste to reduce odor
        
        Cover waste with more dirt
        
        Cover mainhole and leachate cleanout riser
      - Collect landfill gas
      - Eliminate the generation of odor
      - Masking waste
  - - - Cover and landscape design
      - Control of landfill gas
      - Collection and treatment of leacate
      - Environmental monitoring systems
    - - Routine inspection
      - Infrastructure maintenance
      - Environmental monitoring systems
    - - Green Areas
      - Recreation
      - Agriculture
      - Housing
- - - - Trench method
      - Area method
      - Canyon method
    - - Phase 1: Excavated land
      - Phase 3: Install leachate collection system
      - Phase 4: Install geosynthetic linear
      - Phase 5: Add a sloped, sand drainage layer
      - Phase 2: Add compacted clay layer/synthetic liner
    - - Phase 6: Deposit solid waste (open and landfill)
      - Phase 7: Install groundwater and gas monitor wells
    - - Phase 11: Install sand drainage layer
      - Phase 13: Plant grass and other short rooted plants
      - Phase 12: Add a layer of top soil
      - Phase 10: Install geosynthetic cap
      - Phase 8: Add a soil layer
      - Phase 9: Install clay cap
      - Phase 14: Construct methane recovery building
  - - - Phase 2: Identification of site areas (positive areas)
      - Phase 3: Site Investigation
      - Phase 1: Site rating process (negative mapping)
      - Phase 4: Final decision
  - - - Intermediate operation
      - Final covering operation
      - Daily operation