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Waste Management

Waste Management. Early Concepts of Waste Disposal. Start of Industrial Revolution, the volume of waste produced in the US was relatively small. Factories located near water. Few factories and a sparse population. Early Concepts of Waste Disposal.

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Waste Management

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  1. Waste Management

  2. Early Concepts of Waste Disposal • Start of Industrial Revolution, the volume of waste produced in the US was relatively small. • Factories located near water. • Few factories and a sparse population

  3. Early Concepts of Waste Disposal • As industrial and urban areas expanded, the concept became “concentrate and contain” • People are facing a serious solid-waste disposal problem.

  4. Modern Trends • Environmentally correct concept is to consider wastes as resources out of place. • Industrial ecology

  5. Modern Trends • Countries have moved to cut waste by imposing taxes. • Waste to energy

  6. Reduce, Reuse, Recycle • Ultimate objective of the three R’s is to reduce. • The amount of refuse disposed of in landfills or incinerated can be reduced by at least 50% • Reduction facilitated by

  7. Recycling of Human Waste • The use of human waste or “night soil” on croplands is an ancient practice.

  8. Materials Management • Futuristic waste management has the goal of zero production of waste.

  9. Composition of Solid Waste • Paper is by far the most abundant content. • Excavations into modern landfills using archeological tools

  10. Waste Reduction

  11. Waste Disposal • Open Dumps • Sanitary Landfills

  12. Site Selection • A number of factors must be taken into consideration when selecting a site, including:

  13. How Pollutants Can Enter the Environment from Sanitary Landfills

  14. Federal Legislation for Sanitary Landfills • Provisions of federal standards include the following:

  15. Ocean Dumping • Oceans have long been dumping grounds for many types of waste, including industrial waste, construction debris, urban sewage, and plastics

  16. Ocean Dumping • Marine pollution can have major impacts on people and society.

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