Summary of Study Session 7
In Study Session 7, you have learned that:
- The major sources of solid wastes in Ethiopia in urban areas are residential areas, commercial areas, institutions and street sweepings.
- Solid waste can be classified by source or by its characteristics including whether or not it is biodegradable, combustible or hazardous.
- The composition of municipal waste varies with location, season and the habits and economic status of the community.
- 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.
- Waste, especially organic waste, can become a health hazard if stored for too long.
- Analysis of moisture content, ash content and heat content of wastes are important for planning waste management options.
- Assessment of the quantities of wastes generated are needed to plan for waste collection and disposal schemes.
- On-site waste storage requires closed containers that are emptied frequently.
- Commercial solid waste has a similar composition to residential waste. The nature of industrial waste depends on the type of industry.
- Healthcare wastes should be considered hazardous and need special handling and disposal procedures.
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7.7 Healthcare wastes
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Self-Assessment Questions (SAQs) for Study Session 7