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Controls on landfill gas collection efficiency: instantaneous and lifetime performance.
| Content Provider | Scilit |
|---|---|
| Author | Barlaz, Morton A. Chanton, Jeff P. Green, Roger B. |
| Copyright Year | 2009 |
| Description | Estimates of landfill gas (LFG) collection efficiency are required to estimate methane emissions and the environmental performance of a solid waste landfill. The gas collection efficiency varies with time on the basis of the manner in which landfills are designed, operated, and regulated. The literature supports instantaneous collection efficiencies varying between 50% and near 100%, dependent on the cover type and the coverage of the LFG collection system. The authors suggest that the temporally weighted gas collection efficiency, which considers total gas production and collection over the landfill life, is the appropriate way to report collection efficiency. This value was calculated for a range of decay rates representative of refuse buried in arid and wet areas (i.e., >63.5 cm precipitation) and for bioreactor landfills. Temporally weighted collection efficiencies ranging from 67 to 91%, 62 to 86%, and 55 to 78% were calculated at decay rates of 0.02, 0.04, and 0.07 $yr^{−1}$, respectively. With aggressive gas collection, as would be implemented for a bioreactor landfill, estimated gas collection efficiency ranged from 84 to 67% at decay rates of 0.04 to 0.15 $yr^{−1}$, respectively. |
| Related Links | http://www.tandfonline.com/doi/pdf/10.3155/1047-3289.59.12.1399?needAccess=true |
| Ending Page | 1404 |
| Page Count | 6 |
| Starting Page | 1399 |
| ISSN | 10962247 |
| e-ISSN | 21622906 |
| DOI | 10.3155/1047-3289.59.12.1399 |
| Journal | Journal of the Air & Waste Management Association |
| Issue Number | 12 |
| Volume Number | 59 |
| Language | English |
| Publisher | Informa UK Limited |
| Publisher Date | 2009-12-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of the Air & Waste Management Association Biotechnology and Microbiology Landfill Lfg Bioreactor Instantaneous Gas Collection Efficiency |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atmospheric Science Pollution Waste Management and Disposal Management, Monitoring, Policy and Law |
