solid waste: the throwaway society. solid waste any discarded material that is not liquid or gas....
Post on 19-Jan-2016
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Solid Waste:Solid Waste:
The Throwaway SocietyThe Throwaway Society
Solid WasteSolid Waste
• Any discarded material that is not liquid or gas.
– 56% - Manufacturing Waste– 26% - Mining Waste– 9% - Agricultural Waste– 6% - Hazardous Waste– 2% - Municipal Solid Waste****– 1% - Other
Biodegradable WasteBiodegradable Waste
• A material that can be broken down by decomposers (fungus & bacteria).
• Created from living things.
– Newspapers– Paper Bags– Cotton– Food– Leather
Non-biodegradable WasteNon-biodegradable Waste
• Materials that cannot be degraded by living things.
• Made from oil, but chemically rearranged. – Nylon– Polyester– Plastic– Fleece
2005 MSW by TYPE (EPA)2005 MSW by TYPE (EPA)
• Paper - 34%• Yard Trimmings - 13%• Food Scraps - 12%• Plastics - 12%• Metals - 8%• Rubber, Leather & Textiles - 7%• Glass - 5%• Wood - 5%• Other - 4%
How is waste processed on Earth?How is waste processed on Earth?
• 57% Landfills
• 28% Recovered, Recycled or Composted
• 15% Incinerated (burned)
Solid Waste Management Solid Waste Management HierarchyHierarchy
LandfillsLandfills
• Modern waste-disposal facility where wastes are put on plastic-lined ground and covered each day with a layer of dirt & plastic.
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