Lecture 16 Environmental Effects and Management of Landfills

Front

What are the environmental emissions associated with landfills?

Back

Wind-blown litter and dust, noise pollution from waste collection vehicles, attraction of birds and vermin, surface run-off, gas emissions, and polluted leachate.

Front

How can wind-blown litter and dust be minimized at landfills?

Back

By covering waste cells with soil, spraying water on dirt roads, using fencing, and movable screens.

Front

What measures can be taken to minimize noise pollution from landfill operations?

Back

Improving equipment capability, surrounding the fill area with soil embankments and plantations, limiting working hours, and training the workforce.

Front

What are the potential problems caused by surface run-off from landfills?

Back

Heavily polluted run-off may enter creeks and streams, especially in areas of intense rainfall.

Front

How can surface run-off issues be controlled at landfills?

Back

By careful design and maintenance of surface drains and ditches, along with a final soil cover on completed landfill sections.

Front

What measures can control gas emissions from landfills?

Back

Using liners, soil covers, passive venting, or active extraction of gas for treatment before discharge.

Front

What incidental events can severely impact landfills?

Back

Flooding, fires, landslides, and earthquakes.

Front

What is essential for minimizing adverse environmental impacts from landfills?

Back

Proper attention to environmental aspects at all stages of landfill management, including site selection, design, construction, operation, and maintenance.

Front

What does landfill design and construction involve?

Back

Site infrastructure, basic engineering works, and technical requirements for waste reception.

Front

What factors influence the size and type of buildings at a landfill?

Back

Level of waste input, expected life of the site, and environmental factors.