EMISSIONS MEASUREMENT AND GAS CAPTURE FROM A HORIZONTAL PLANE BASED GAS COLLECTION SYSTEM
In an effort to increase waste biodegradation rates, landfill operators in the United States have been actively recirculating leachate and pursuing bioreactor landfill practices that utilize additional liquids from outside sources to increase the moisture content of the waste. The preferred waste moisture content range of these advanced sanitary waste cells is 35% to 45% (wet weight basis). Historically, U.S. landfills have used vertical gas well systems for the recovery of landfill gas. With the onset of over 150 leachate recirculation projects in the U.S. and over 20 bioreactor landfills, an increase in maintenance costs in the vertical well fields and a potential for increased surface emissions have been noted. The classic vertical well systems have been filling with leachate. This has resulted in the need for the installation of automatic pump out systems and an increased frequency of maintenance to reduce surface emissions.
A new horizontal multi-level gas extraction system for wet landfills is described. Construction methodology is detailed. Gas recovery data for a landfill with high generation rates are analyzed. Preliminary surface emissions data using the flux chamber and tunable diode laser methods are quantified.
| Copyright: | © IWWG International Waste Working Group | |
| Quelle: | Specialized Session F (Oktober 2007) | |
| Seiten: | 9 | |
| Preis inkl. MwSt.: | € 9,00 | |
| Autor: | Gary Hater  Roger B. Green Dr. C. Douglas Goldsmith Greg Cekander | |
| Artikel weiterleiten | In den Warenkorb legen
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