Environmental Issues of LANDFILLS. Philosophy: To contain the waste in a environmentally sound manner Landfill method of Solid Waste Disposal Landfill Siting considerations Liner Systems for landfills Leachate Collection & Removal System Final Cover System
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Philosophy: To contain the waste in a environmentally sound manner
Biological, physical/chemical reactions occurring in the landfill
GW contamination hazard rating
Source hazard rating
Pathway hazard rating
Receptor hazard rating
Sub-soil / groundwater
Vadose zone parameters
Landfill cover parameters
Aquifer zone parameters
Ground- water well
Direction of GW flow
CaHbOcNd +(4a + b − 2c + 3d)/4 O2 → aCO2
+ (b − 3d)/2 H2O + dNH3.
CaHbOcNd + (4a-b-2-3d)/4 H2O → ( 4a-b+2c+3d)/8 CO2
+ (4a+b-2c-3d)/8 CH4 + dNH3
CH4 is considered as a relatively important gas as compared to the
Landfill methane generation at its peak shortly after initial waste
Identify key environmental issues associated with the proposed landfill project?