A New Approach to Estimation of Methane Emission Rates from Landfills

摘要: Methane emission monitoring has become increasingly essential for diffusive area sources, especially landfills, which contribute to a significant fraction of the total anthropogenic methane globally. Statutorily, rate from landfills in Germany shall be examined on semiannual basis; however, an appropriate approach yet developed and adopted general use. In this study, new method is proposed based experimental results, utilizes TDLAS (Tunable Diode Laser Absorption Spectroscopy) instrument - GasFinder2.0 system dispersion model LASAT (Lagrangian Simulation Aerosol Transport) as measurement device calculation model, respectively. Between April 2010 December 2011, research project was conducted at pilot scale landfill south Germany. Drawing extensive into project, effective strategy setup determined. concentration measured with upstream downstream sections site, while wind turbulence data were simultaneously by ultrasonic anemometer. The average source can calculated using results input model. With method, site-specific approaches designed not only but also different sources less workload lower cost compared conventional FID (Flame Ionization Detector) method.