(753c) Map of Our Scrap: A GIS-Based Analysis on the Potential of Food Wastes for Bioenergy Production
This work evaluated the energy balance associated with the digestion of food wastes at a nearest WWTP transported from the following key sources: supermarkets, hospitals, restaurants, colleges, and schools, using geographical information system (GIS) platform. The study area was Lafayette, Louisiana. The analysis was done in QGIS (Version 2.18, a.k.a. Las Palmas).
The preliminary results support the following inferences.
- This GIS-based analysis for the potential of FW as feedstock for bioenergy production showed the need for additional organic wastes to be combined with FW to possibly increase the power generation of WWTP-based biogas-to-energy turbine generators.
- Wastewater sludges produced in significant amount during water treatment in WWTPs are viable candidate organic wastes that may significantly increase biogas production. These sludges do not require transportation, hence, omitting the energy expenditure through transportation fuel.
- FWs from restaurants may significantly increase the potential bioenergy production, which may supply a utility-scale (1 MW) power plant in the city.
This city case study may be adopted to a state-wide analysis to evaluate the bioenergy potential of FW via anaerobic digestion for the state of Louisiana, USA.
 Moriarty, K. (2013) Feasibility study of anaerobic digestion of food waste in St. Bernard, Louisiana. NREL, Doc. TP-7A30-57082
 Report: Massachusetts Department of Environmental Protection (2002) Identification, Characterization, and Mapping of Food Waste and Food Waste Generators In Massachusetts