Summary of Study Session 7

In Study Session 7, you have learned that:

  1. The major sources of solid wastes in Ethiopia in urban areas are residential areas, commercial areas, institutions and street sweepings.
  2. Solid waste can be classified by source or by its characteristics including whether or not it is biodegradable, combustible or hazardous.
  3. The composition of municipal waste varies with location, season and the habits and economic status of the community.
  4. Food wastes, papers, plastics, textiles, street sweepings, wood and charcoal, glass and ashes are the major solid waste types generated in Ethiopian towns and cities.
  5. Waste, especially organic waste, can become a health hazard if stored for too long.
  6. Analysis of moisture content, ash content and heat content of wastes are important for planning waste management options.
  7. Assessment of the quantities of wastes generated are needed to plan for waste collection and disposal schemes.
  8. On-site waste storage requires closed containers that are emptied frequently.
  9. Commercial solid waste has a similar composition to residential waste. The nature of industrial waste depends on the type of industry.
  10. Healthcare wastes should be considered hazardous and need special handling and disposal procedures.

7.7  Healthcare wastes

Self-Assessment Questions (SAQs) for Study Session 7