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Chapter 12: Solid and Hazardous Waste Management Chapter 12: Solid and Hazardous Waste Management
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Philadelphia’s Traveling Trash
Central Question
12.1-12.2 Science
12.1 The “waste” generated by economic systems does not occur in ecosystems
SOURCES OF WASTE
Think About It
12.2 Waste has diverse sources and properties and varies with level of economic development
Municipal Solid Waste
hazardous waste A
Properties of Hazardous Waste
TABLE 12.1 CATEGORIES OF MUNICIPAL SOLID WASTE
4. Toxic: Relatively low amounts of these substances are harmful to living organisms.
Sources of Hazardous Waste
Think About It
12.1-12.2 Science: Summary
12.3–12.6 Issues
12.3 Municipal solid waste management is a growing problem
INCREASING GENERATION OF MUNICIPAL SOLID WASTE
Municipal Solid Waste
Food Waste
Plastic Waste
PLASTIC WASTE: DEADLY TO SEA LIFE
Think About It
12.4 Hazardous waste generation is increasing and is often handled unsafely
Love Canal
Brownfields
Herr’s Island, Pennsylvania
Sydney, Nova Scotia
Think About It
12.5 New forms of hazardous waste are on the rise
Electronic Waste
AN ELECTRONICS REVOLUTION CREATES A NEW WASTE STREAM
electronic waste
low-level nuclear waste
Think About It
12.6 Safe nuclear waste disposal requires long-term security
Technical Challenges
ONSITE MANAGEMENT AND STORAGE OF HIGH-LEVEL NUCLEAR WASTE
high-level nuclear
⚠️ Think About It
12.3-12.6 Issues: Summary
12.7-12.10 Solutions
12.7 Modern waste management emphasizes reduced disposal
Reducing the Waste Stream
INTEGRATED WASTE MANAGEMENT REDUCES THE WASTE STREAM
integrated waste
Hazardous Waste Reduction
Think About It
12.8 Food waste and other biodegradable trash can be reduced and repurposed
Reducing Food Waste
Composting
Turning Decomposing Waste into Energy
Think About It
12.9 Recycling and demanufacturing are critical to reducing waste
Financial Incentives for Recycling
Take Back Laws and Demanufacturing
Progress in Municipal Waste Management
Incineration and Energy Recovery
Think About It
12.10 Safe and secure long-term disposal is the last resort
Municipal Landfills
Treatment and Disposal of Hazardous Waste
Incineration
Hazardous Waste Landfills
Surface Impoundments
THREE MAIN WAYS FOR HAZARDOUS WASTE DISPOSAL
Deep Well Injection
Nuclear Waste Disposal: An Unresolved Hazardous Waste Problem
Think About It
12.7-12.10 Solutions: Summary
Central Question: How can we reduce the environmental impact of solid waste and dispose of hazardous waste safely?
12.1–12.2 Science
12.3–12.6 Issues
Waste Management and You
□ Stay informed.
Use less.
Recycle.
☐ Safely dispose of hazardous wastes.
12.7-12.10 Solutions
Answer the Central Question:
Chapter 12
Review Questions
2. Which of the following is “organic” waste, according to the World Bank?
3. Which is the largest source of hazardous waste in the United States?
4. Even though growth in global per capita waste production is slowing, why has growth in total waste production not slowed?
5. Plastic waste in the Pacific Ocean threatens marine life. How does it potentially impact humans?
6. Which was not an impediment to developing the nuclear waste repository at Yucca Mountain?
7. What was the main purpose of the Resource Conservation and Recovery Act (RCRA)?
8. How does landfill gas differ from the natural gas extracted from deep wells in gas and oil fields?
9. What mechanisms have been used to increase recycling rates?
10. What is the main difference between landfills for municipal solid waste and hazardous waste landfills?
Critical Analysis
Central Question: How can we control and reduce environmental pollution?