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7/25/2019 Solid Waste System
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Solid Waste System
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This part of the waste system typically accountsfor 40 to 80 percent of the total cost.
For residential waste, the most common collection
method is kerbside.
Storage, ollection, and Transport
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!ecycling is to con"ert wastes into newproducts.
#t can reduce the consumption of fresh raw
materials, energy usage, air pollution andwater pollution.
!ecycling
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omposting is a microbial process used totreat biodegradable wastes.
$urposes%
&. to reduce waste mass'. to reduce pollution potential
(.to destroy pathogens
4. to produce compost as nutrients for gardens,
landscaping and agriculture
omposting
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Waste)to)energy or energy reco"ery
#ncineration is a process to liberate the energyin waste by combustion.
#ncineration
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*ass)burn
*odular
!efused)deri"ed fuel
o0incineration+aardous waste
ement kilns
ommonly used incinerationsystems%
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- landll is a site for the disposal of solidwastes by burial.
/andll
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