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Chapter 29 of Botkin and Keller's Environmental Science addresses the crucial aspects of waste management and industrial ecology. It explores the interconnectedness of industrial systems and natural ecosystems while emphasizing integrated waste management strategies such as reduction, reuse, recycling, composting, landfill operations, and incineration. The chapter calls for sustainable material use and resource conservation, suggesting financial incentives, penalties, and green building initiatives. Key topics include hazardous waste issues and pollution prevention, aiming for better environmental outcomes and public health safety.
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Chapter 29 Waste Management Botkin and Keller Environmental Science 5e
Modern Trends • Industrial Ecology • The study of relationships among industrial systems and their links to natural systems Botkin and Keller Environmental Science 5e
Integrated Waste Management • Includes: • Reduce, reuse, recycle • Composting • Landfill • Incineration Botkin and Keller Environmental Science 5e
Materials Management • A visionary goal requiring more sustainable use of materials combined with resource conservation • Eliminate subsides for extraction of virgin materials • Establish “green building” incentives • Assess financial penalties • Provide financial incentives • Increase new jobs Botkin and Keller Environmental Science 5e
Solid-Waste Management • Composition • On-Site Disposal • Composting • Incineration • Open Dumps • Sanitary Landfills Botkin and Keller Environmental Science 5e
Botkin and Keller Environmental Science 5e
Sanitary Landfills • Are designed to concentrate and contain refuse without creating a hazard to public health or safety • Considerations: • Leachate is produced • Site Selection: Environmental justice • Monitoring Pollution • Federal Legislation Botkin and Keller Environmental Science 5e
Botkin and Keller Environmental Science 5e
Botkin and Keller Environmental Science 5e
Botkin and Keller Environmental Science 5e
Hazardous Waste • Waste that is classified as definitely or potentially hazardous to the health of people • Serious environmental problems • Uncontrolled disposal sites could cause serious health problems • Need to develop safe disposal methods Botkin and Keller Environmental Science 5e
Hazardous Waste Legislation • Resource Conservation and Recovery Act • CERCLA • Environmental Audit • Secure Landfill • Land Application • Surface Impoundment • Deep-Well Disposal Botkin and Keller Environmental Science 5e
Botkin and Keller Environmental Science 5e
Alternatives to Hazardous Waste • Source reduction, Recycling and resources recovery, Treatment, Incineration • Advantages • Chemicals can be reused • Less toxic = less problems • Smaller volume of waste • Less stress of waste disposal sites Botkin and Keller Environmental Science 5e
Botkin and Keller Environmental Science 5e
Botkin and Keller Environmental Science 5e
Ocean Dumping • Types of Waste • Dredge spoils • Industrial wastes • Sewage sludge • Construction debris • Solid waste • The most seriously affected areas are near shore Botkin and Keller Environmental Science 5e
Botkin and Keller Environmental Science 5e
Pollution Prevention • Identifying ways to prevent the generation of waste, rather than finding ways to dispose of it • Correct purchasing amounts • Better control of materials • Substituting non-toxic chemicals • Improving engineering Botkin and Keller Environmental Science 5e