Transcript Tour of a Landfill

Tour of a Landfill
Enemies of the landfill
Water
 Oxygen
 Volume
 Settling of garbage
(shrinking)
 Actually want to limit
decomposition
Things do NOT
decompose in a
landfill!

Decomposition
Aerobic
Decomposition
 Waste+ Bacteria+
Oxygen+ water=
Decomposition
renders free carbon,
Carbon Dioxide, water
and oxygen

Anaerobic
Decomposition
 Waste + Bacteria in
the absence of
oxygen and water=
 Methane Production

One cell is being built
 One cell is being filled
with garbage
 One cell is being
closed

Creating the walls of the cell
Leachate
Garbage Juice!
 On site treatment
 Off Site treatment

Leachate Collection System

Can be synthetic
mesh plastic OR
layers of sand and
gravel
Leachate Collection
Methane and Leachate Collection
http://www.youtube.com/watch?v=epLv2t9kmos&feature=related
Capping the Landfill





Filled to capacity
Capp the entire
landfill/ all of the cells
3 feet of clay and 3 to
6 feet of soil
Vegetative Layer
Angled to encourage
run off of storm water
Creating the Cap