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Choosing Landfill Gas and Leachate Collection Systems

Everything from the exact number of wells installed on a landfill cell, to the type of collection system, affects the selection of a cover material. 

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Well Spacing for Adequate Control and Efficient Gas Capture

Most of the factors that control the final gas production rate of any particular landfill cell, such as soil compaction or liner selection, are chosen long before it’s closed. 

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Site Preparation Tips for Landfills Designed for Gas Production

Designing a landfill cell with gas collection in mind from the start, is the best way to maximize production over time.

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How Liners Play an Essential Role in Landfill Gas Collection

It’s easy to assume that all gas issues in a landfill cell are handled by the cover and that the liner only manages leachate and other liquids.

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Capping Landfills with the Right Cover Material for Gas Collection

Gas release may begin as soon as the first layer of waste is added to the cell, but these early discharges of carbon dioxide and methane are usually permitted as long as they’re limited. 

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Condensate and Leachate: Inevitable Byproducts of Gas Production

While landfill systems designed for gas collection and control may be primarily focused on gases, liquids also play important roles and can’t be overlooked. 

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What’s in Landfill Gas?

Landfill gas is often mistaken for being a single type of gas due to being referred to by the LFG term. 

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Why Collect and Contain Landfill Gas?

All waste eventually breaks down, even if it takes thousands of years.

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