FAIL-SAFE WASTE GAS COLLECTION SYSTEM
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United States of America Patent
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Issued Date -
Jan 18, 2024
app pub date -
Jul 13, 2023
filing date -
Jul 14, 2022
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Abstract
A fail-safe gas collection system for collecting waste gas from a waste pile having an impermeable membrane covering substantially all or part of the waste pile. The fail-safe gas collection system includes an anti-lift topping for biasing the membrane to remain in place in the presence of winds. A network of conduits is positioned beneath and extends beneath the membrane. A plurality of collection nodes are positioned at spaced-apart positions on the network of conduits. A negative pressure pump is provided for drawing gas through the collection nodes of the network of conduits. An adjustable control valve is positioned between the network of conduits and the negative pressure pump. At least one pressure relief valve is provided to prevent the membrane from ballooning in the event that the negative pressure pump stops operating for a time.
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