
Water Science and Technology Vol 41 No 3 pp 275282 © IWA Publishing 2000
Emission of greenhouse gases from anaerobic digestion processes: comparison with other municipal solid waste treatments
J.M. Baldasano* and C. Soriano**
*Laboratory of Environmental Modeling, Dept. of Engineering Projects, ETSEIB, Universitat Politècnica de Catalunya (UPC), Avinguda Diagonal 647, planta 10, 08028 Barcelona, Spain
**Laboratory of Environmental Modeling, Dept. of Engineering Projects, ETSEIB, Universitat Politècnica de Catalunya (UPC), Avinguda Diagonal 647, planta 10, 08028 Barcelona, Spain
ABSTRACT
This contribution analyzes the anaerobic digestion process and compares GHG
emissions estimated for four different management processes for MSW
(Municipal Solid Waste): biogasification, landfilling, composting and
incineration. The comparison has been undertaken by considering in the
estimation of the emissions the full cycle of MSW treatment, and not only
the emissions derived from the fraction of MSW treated by each particular
system. For instance, the fraction of MSW not submitted to biological
treatment has to be incinerated or deposited in a landfill. The
corresponding emissions of these processes have to be considered in the
calculations of the final emissions.
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