Stages of Landfill Progression (HTML version)


Robert Beauchamp
Program Director
Graduate School of Management and Technology

Category: » Learning-objects

This simulation illustrates variations in leachate flow rate and methane gas during the life of a landfill. (Flash version)

Landfill managers must understand these variations in order to:

  1. properly remove leachate as it accumulates, thereby reducing the threat of groundwater contamination
  2. use methane gas to produce steam and generate electricity

During year one, the leachate flow rate begins to increase. 

During year one, the leachate flow rate begins to increase

During year five, the leachate flow rate continues to increase. Methane gas begins to increase. 

During year five, the leachate flow rate continues to increase. Methane gas begins to increase.

By year 10, leachate flow rate and methane gas levels peak. Methane gas can now be used as an energy source for steam production. 

By year 10, leachate flow rate and methane gas levels peak. Methane gas can now be used as an energy source for steam production.

By year 20, the leachate flow rate has gradually declined, then levels off. Methane gas production remains constant. 

By year 20, the leachate flow rate has gradually declined, then levels off. Methane gas production remains constant.

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