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Solid and Hazardous Waste. Solid Waste-unwanted soilds Municipal Soild Waste-garbage Industrial Solid Waste-indirect Hazardous (Toxic) Waste-threatens human health=toxic/flammable Batteries/pesticides/cleaners/sludge
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Solid Waste-unwanted soilds • Municipal Soild Waste-garbage • Industrial Solid Waste-indirect • Hazardous (Toxic) Waste-threatens human health=toxic/flammable • Batteries/pesticides/cleaners/sludge **Affluenza-US = 1/3 of the solid waste (55% MSW/30% recycled/15% burned) Al/tires/diapers/carpet/plastic bottles/Styrofoam/edible food/paper Types of waste
Waste Reduction • Waste Management • 75-90% of soild waste could be eliminated THE FOUR R’s! • Refuse • Reduce • Reuse • Repurpose • Recycle Integrated Waste Management (IWM)
Items: paper, glass, aluminum, steel, and plastics. • PRE CONSUMER and POST CONSUMER US recycles 30% Japan 50% • Primary-recycled into same product • Secondary-recycled into new product • MSWMRF’s (materials recovery facilities) • Composting Recycle
Where else would the garabage go? Power…..Burning….Burying.…..Landfills
Open Dumps-developing Sanitary Landfills-Lined with wells to monitor leakage. Thin layers (compacted) w/ clay/plastic (reduce leachate, fire, odor, animals). Leachates are pumped into tanks to store onsite. http://science.howstuffworks.com/environmental/green-science/landfill.htm Landfills
Soild/liquid that is toxic, ignitable, corrosive, or could explode. • Organic-solvents/pesticides/PCB’s, Dioxins • Heavy Metals-Pb (neurotoxin/teratogen), Hg (neurotoxin/coal burning, volcanoes/bioaccumulation fish), Arsenic U.S………is #1 (Let’s go China!) • Military – 1/3 – NO EPA INTERACTION • Chemical Companies • Mining Industry HAZARDOUS WASTE Government Regulates: CERCLA (SUPERFUND)-tax/regulate point source Resource Conservation and Recovery Act-illegal disposal/permits CRADLE to GRAVE
Superfund-allocated to clean up abondoned hazardous waste sites (brownfields)…..expired in 1995-now taxpayers pay….. Terrorists love hazardous waste
Recycle, reuse, detoxify, burn, bury? • Incineration or Plasma Torch-HIGH temp. break down hazards Air • Bury-Deep Well Disposal-underneath aquifers Air/Water • Detox: • Physical: Filters/electrostatics/capsules • Chemical: cyclodextrin- starch/nanomagnets • Biological-bioremediation-bacteria/enzymes convert to harmless • Phytoremediation-”Pollution Sponges” GM plants to absorb/filter contaminants from soil/water Integrated Management of Hazardous Waste