Environmental Science 5e Chapter 29 Waste Management Botkin and Keller Environmental Science 5e

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

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

Environmental Science 5e Botkin and Keller Environmental Science 5e

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

Environmental Science 5e Botkin and Keller Environmental Science 5e

Environmental Science 5e Botkin and Keller Environmental Science 5e

Environmental Science 5e Botkin and Keller Environmental Science 5e

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

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

Environmental Science 5e Botkin and Keller Environmental Science 5e

Environmental Science 5e Botkin and Keller Environmental Science 5e

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

Environmental Science 5e Botkin and Keller Environmental Science 5e

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