Landfill liner

Until it deteriorates, the liner retards migration of leachate, and its toxic constituents, into underlying aquifers or nearby rivers from causing potentially irreversible contamination of the local waterway and its sediments.

This geosynthetic clay liner is usually made of sodium bentonite which is compacted in between two thick pieces of geotextile.

[4] The geomembranes within the composite liner consist of a high-density polyethylene which provide an effective minimization for flow and deliver and helpful barrier which is used on inorganic contaminants.

The geosynthetic clay liners are manufactured by factories and the purpose for it being made of sodium bentonite is that they regulate the movement of liquids in gases within the waste.

The protection layer part serves as a preventer from these holes from forming inside the geomembrane which would allow the waste to leak through the entire liner.

[7] An effective liner in a landfill system should be able to control water in terms of movement and protection on the environment.

The main purpose for all of this is so that the movement is lateral which lessens the probability for slope catastrophe and the waste leaking down and freely contaminating whatever is in its path.

When developing composite liners it is extremely important to take in risk factors such as earthquakes and other slope failure problems that could occur.

[8] Composite liners are used in municipal solid waste (MSW) landfills to reduce water pollution.

Composite-liner systems are better at reducing leachate migration into the subsoil than either a clay liner or a single geomembrane layer.

The ideal method of assessing the amount of liner degradation would be by examining field samples over their service life.

[12] Tear resistance of a geomembrane becomes important when it is exposed to high winds or handling stress during installation.