The following technique shows how waste can be converted to energy instead of a a harmful greenhouse gas. This is evidence for a brighter future and a step in becoming a less dependent on carbon-based fuel nation.
So how does this process work? Similar to composting, one method of
converting waste to energy is called anaerobic digestion. This is a
natural process where microorganisms are used to break down organic
waste materials in an air-sealed tank, which is heated up to accelerate
processing.
This allows the waste material to decompose quickly and produce
biogas that can be captured and directed through a turbine to ultimately
generate electricity. This electricity can power homes and run
vehicles, and the heat that results from the process can be used onsite
to reheat the digester.
http://energy.gov/eere/articles/reducing-waste-and-harvesting-energy-halloween
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