How Is Trash Disposed of ?
The trash production in the United States has almost tripled since 1960. This trash is handled in various ways. About 27 percent of the trash is recycled or composted, 16 percent is burned and 57 percent is buried in landfills. The amount of trash buried in landfills has doubled since 1960. The United States ranks somewhere in the middle of the major countries in landfill disposal. The United Kingdom ranks highest, burying about 90 percent of its solid waste in landfills.
What Is a Landfill?
There are two ways to bury trash:
Dumpan open hole in the ground where trash is buried and that is full of various animals .
Landfillcarefully designed structure built into or on top of the ground in which trash is isolated from the surrounding environment . This isolation is accomplished with a bottom liner and daily covering of soil.
Sanitary landfillland fill that uses a clay liner to isolate the trash from the environment
Municipal solid waste landfilllandfill that uses a synthetic liner to isolate the trash from the environment
The purpose of a landfill is to bury the trash in such a way that it will be isolated from groundwater, will be kept dry and will not be in contact with air. Under these conditions, trash will not decompose much. A landfill is not like a compost pile, where the purpose is to bury trash in such a way that it will decompose quickly.
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