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Kentwood, Mich., Works to Capture Methane Gas from Closed Landfill

The system will help protect buildings and homes from the potentially explosive gas, which constantly seeps from decomposing waste underneath the soil at the landfill.

After detecting methane gas outside the perimeter of the closed Kentwood Landfill in Kentwood, Mich., last year, officials are now expanding the landfill’s system with large, deep wells to capture and contain the gas. The new system will help protect nearby buildings and homes from the potentially explosive gas, which constantly seeps from decomposing waste underneath the soil at the landfill.

In addition to the wells, the new system will include the addition of a second flare and seven new gas monitoring probes.

MLive has more:

Yellow tubes snake from the top of converted landfill vents, running underground for a few hundred feet before leading back above ground to a flame fed by a steady supply of methane gas.

The system is designed to protect the nearby library, civic buildings and neighborhoods from the potentially explosive gas, constantly seeping from decomposing waste underneath the soil at the closed Kentwood Landfill.

Prompted by detection of methane migrating outside the perimeter of the facility last year, work began in August to expand methane collection, containment and monitoring at the site. Methane, which occurs naturally in landfills, is non-toxic and dissipates quickly when exposed to air. But the gas is flammable, specifically when trapped in closed-in spaces.

Read the full story here.

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