System and method for treating landfill gas using landfill...

Details System and method for treating landfill gas using landfill... System and method for treating landfill gas using landfill...

2011-06-07

2011-06-07

Hill, Jr., Robert J (Department: 1776)

Gas separation: processes

Solid sorption

Inorganic gas or liquid particle sorbed

C095S090000, C095S148000, C095S181000, C405S129100, C405S129200, C405S129250, C405S129270, C405S129950

Reexamination Certificate

active

07955419

ABSTRACT:
Embodiments of the present invention are directed to systems and methods for treating landfill gas using landfill leachate. In one embodiment of the present invention, a method includes receiving landfill leachate from at least one of a plurality of sources, and pretreating the landfill leachate to adjust at least one chemical property of at least one component of the landfill leachate. The leachate contacts landfill gas, so that at least one component of the landfill gas chemically reacts with at least one component of the landfill leachate to form a spent landfill leachate and a treated landfill gas. The method also includes recycling a first portion of the spent landfill leachate, recirculating a second portion of the spent landfill leachate to at least one of the plurality of sources, and subjecting the treated landfill gas to flare.

REFERENCES:
patent: 5605417 (1997-02-01), Englert et al.
patent: 6334737 (2002-01-01), Lee
patent: 6364572 (2002-04-01), Hudgins et al.
patent: 6742962 (2004-06-01), Hater et al.
patent: 6929423 (2005-08-01), Kittle
patent: 2004/0191755 (2004-09-01), Kemper et al.
patent: 2006/0222464 (2006-10-01), Schwalbe

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