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Question
What are the basic characteristics of a modern landfill site? List any three and also mention the reasons for their use.
Solution
Characteristics of modern landfill include
- Methods to contain leachates such as lining clay or plastic liners.
- Compaction and covering of the waste to prevent it from being blow by wind.
- Installation of a landfill gas extraction system to extract the gas for use in the generation of power.
The use of modern landfill sites must be promoted due to the following reasons
- They stimulate waste prevention via recycling and recovery of waste.
- They create a uniform cost for the disposal of waste which consequently will prevent the unnecessary transport of waste.
- They prevent or reduce the negative effects on the environment, as well as the risks to human health arising from the landfilling of the waste.
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