Process for recovering gases from landfills

Details Process for recovering gases from landfills Process for recovering gases from landfills

E - Fixed Constructions

21

B

166/1

E21B 43/00 (2006.01) B01D 53/22 (2006.01) B09B 1/00 (2006.01) E21B 43/34 (2006.01)

Patent

CA 1219525

36-21(5060)A PROCESS FOR RECOVERING GASES FROM LANDFILLS ABSTRACT A process for treating a landfill for recovering methane therefrom wherein a mixture of methane and carbon dioxide is withdrawn from a central portion of the landfill and the carbon dioxide and methane are separated. The methane is fed to a pipeline and a portion of the carbon dioxide is fed to wells spaced around the periphery of the landfill at a pressure of 7 to 170 kPa to prevent air from entering the landfill around the periphery thereof.

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