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Waste & recycling

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Waste and Recycling Notes
Love Canal — There Is No “Away” ,[object Object],[object Object],[object Object]
Love Canal — There Is No “Away” ,[object Object],[object Object],[object Object]
Love Canal — There Is No “Away” ,[object Object],[object Object],Figure 22-1
Love Canal — There Is No “Away” ,[object Object],[object Object]
Definitions: ,[object Object],[object Object],[object Object],[object Object]
WASTING RESOURCES ,[object Object],Figure 22-3
WASTING RESOURCES ,[object Object],[object Object],[object Object],[object Object]
Electronic Waste: A Growing Problem ,[object Object],[object Object],Figure 22-4
Nuclear Waste ,[object Object],[object Object],[object Object]
[object Object],[object Object],Landfills
Current Criteria ,[object Object],[object Object],[object Object]
Oil ,[object Object],[object Object]
Tires ,[object Object]
Antifreeze ,[object Object],[object Object]
Air Conditioner Coolants ,[object Object],[object Object]
Lead Acid (Car Batteries) ,[object Object],[object Object]
Reducing Solid Waste
Organic ,[object Object],[object Object],[object Object]
[object Object],Composts
Needs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Benefits ,[object Object],[object Object],[object Object],[object Object]
[object Object],Recycling
General Purpose ,[object Object],[object Object]
Examples ,[object Object]
Problems ,[object Object],[object Object],[object Object]
Benefits ,[object Object],[object Object],[object Object],[object Object]
Specific Recycled Items
Glass ,[object Object],[object Object],[object Object]
Aluminum ,[object Object],[object Object],[object Object]
Paper ,[object Object],[object Object],[object Object],[object Object],[object Object]
Recyclable Plastics
#1 – PET (Polyethylene terephthalate) ,[object Object],[object Object]
#2 - HDPE (High-density polyethylene) ,[object Object],[object Object]
#3 - PVC (Polyvinyl chloride) ,[object Object]
#4 - LDPE (Low-density polyethylene) ,[object Object],[object Object]
#5 - PP (Polypropylene) ,[object Object],[object Object]
#6 - PS (Polystyrene) ,[object Object],[object Object]
#7 - Other ,[object Object]
[object Object],[object Object],Integrated Waste Management
INTEGRATED WASTE MANAGEMENT ,[object Object],Figure 22-5
Solutions: Reducing Solid Waste ,[object Object],[object Object],[object Object],[object Object],[object Object]
RECYCLING ,[object Object],[object Object],[object Object],[object Object]
RECYCLING ,[object Object],[object Object]
RECYCLING ,[object Object],[object Object],[object Object],[object Object],[object Object]
BURNING AND BURYING SOLID WASTE ,[object Object],[object Object]
Waste-to-Energy Incineration ,[object Object],[object Object],[object Object],[object Object]
Burying Solid Waste ,[object Object],[object Object],[object Object]
Fig. 22-12, p. 532 Sand When landfill is full, layers of soil and clay seal in trash Methane storage and compressor building Leachate storage tank Leachate monitoring well Groundwater monitoring well Electricity generator building Leachate treatment system Methane gas recovery well Compacted solid waste Leachate pipes Leachate pumped up to storage tank for safe disposal Groundwater Clay and plastic lining to prevent leaks; pipes collect leachate from bottom of landfill Topsoil Sand Clay Subsoil Probes to detect methane leaks Garbage Garbage Synthetic liner Sand Clay Pipes collect explosive methane as used as fuel to generate electricity
Hazardous Waste Regulations in the United States ,[object Object],[object Object],[object Object],[object Object],[object Object]
Hazardous Waste Regulations in the United States ,[object Object],[object Object]
Conversion to Less Hazardous Substances ,[object Object],[object Object]
Conversion to Less Hazardous Substances ,[object Object],[object Object],[object Object]
Inorganic metal contaminants Organic contaminants Radioactive contaminants Brake fern Poplar tree Indian mustard Willow tree Sunflower Oil spill Landfill Groundwater Soil Polluted leachate Decontaminated water out Polluted groundwater in Groundwater Soil
Conversion to Less Hazardous Substances ,[object Object]
Long-Term Storage of Hazardous Waste ,[object Object],[object Object],[object Object]
Long-Term Storage of Hazardous Waste ,[object Object],[object Object]
Secure Hazardous Waste Landfill ,[object Object],Figure 22-22
ACHIEVING A LOW-WASTE SOCIETY ,[object Object],[object Object]
Making the Transition to a Low-Waste Society: A New Vision ,[object Object],[object Object],[object Object],[object Object]

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Waste & recycling

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  • 49. Fig. 22-12, p. 532 Sand When landfill is full, layers of soil and clay seal in trash Methane storage and compressor building Leachate storage tank Leachate monitoring well Groundwater monitoring well Electricity generator building Leachate treatment system Methane gas recovery well Compacted solid waste Leachate pipes Leachate pumped up to storage tank for safe disposal Groundwater Clay and plastic lining to prevent leaks; pipes collect leachate from bottom of landfill Topsoil Sand Clay Subsoil Probes to detect methane leaks Garbage Garbage Synthetic liner Sand Clay Pipes collect explosive methane as used as fuel to generate electricity
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  • 54. Inorganic metal contaminants Organic contaminants Radioactive contaminants Brake fern Poplar tree Indian mustard Willow tree Sunflower Oil spill Landfill Groundwater Soil Polluted leachate Decontaminated water out Polluted groundwater in Groundwater Soil
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Notas del editor

  1. Figure 22.12 Solutions: state-of-the-art sanitary landfill, which is designed to eliminate or minimize environmental problems that plague older landfills. Even these landfills are expected to leak eventually, passing both the effects of contamination and cleanup costs on to future generations. Since 1997, only modern sanitary landfills are allowed in the United States. As a result, many older and small landfills have been closed and replaced with larger local and regional modern landfills.
  2. Figure 22.17 Solutions: phytoremediation. Various types of plants can be used as pollution sponges to clean up soil and water and radioactive substances (left), organic compounds (center), and toxic metals (right). (Data from American Society of Plant Physiologists, U.S. Environmental Protection Agency, and Edenspace)