Landfill Engineering

Capping

A "cap" is made up of multiple layers of soil and impermeable materials that are placed over the landfilled garbage. The cap covers the garbage and its byproducts and prevents them from migrating into the surrounding environment. It also provides a barrier between the garbage and users of the park. ...MORE

Leachate

As rainwater percolates through household garbage, it dissolves parts of the garbage. The resulting liquid is referred to as leachate. Collecting and treating the leachate is an important component of making the landfill safe. ...MORE

Landfill Gas

Landfill gas is produced by decomposing garbage. An extensive series of underground pipes and wells collect the gas and convey it to an on-site landfill gas purification system. ...MORE

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