5.5 Solid domestic waste


5.5.1 Outline the types of solid domestic waste.

Soild Domestic Waste: Any organic matter, including sewage, industrial, and commercial wastes, from municipal waste collection systems. Municipal waste does not include agricultural and wood wastes or residues. Basically trash or garbage.


Type:

  • Paper
  • Glass
  • Metals
  • Plastics
  • Organic waste from kitchen or garden
  • Potentially hazardous materials


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5.5.2 Describe and evaluate pollution management strategies for solid domestic (municipal) waste.


Strategy
Causes
Reduce
  • Reduce packaging
Reuse
  • Choose second hand materials or reusable containers
Recycle
  • Choose materials that can be recycled
Composting
  • Organic can be composted at source
  • Choose biodegradable materials
Release and transfer
Separate wastes
  • Separation of wastes into different category can help to reuse and recycle
Effects
Incineration
  • Easy and Quick
  • Release greenhouse gases such as methane which could be used for powering
  • Release toxic pollutants
Landfill
  • Might pollute groundwater through leeching
  • Facing less available space
Sealed landfill
  • Prevent leeching but higher costs
  • Limited space
Composting
  • Can turn organic wastes into resources
For more explanation of the pro and con of each of the above strategies,


Scroll down to the last 2 page and have a look.
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