| Title | Bioenergy, Electricity, Biogas Production, and Emission Reduction Using the Anaerobic Digestion of Organic Municipal Solid Waste in Campinas, One of the Largest Brazilian Cities |
|---|---|
| ID_Doc | 10690 |
| Authors | Pacheco, LA; Tamayo-Peña, J; Moraes, BD; Franco, TT |
| Title | Bioenergy, Electricity, Biogas Production, and Emission Reduction Using the Anaerobic Digestion of Organic Municipal Solid Waste in Campinas, One of the Largest Brazilian Cities |
| Year | 2022 |
| Published | Processes, 10, 12 |
| Abstract | Anaerobic digestion (AD) is an attractive process for bioenergy production and is considered to be an alternative way to reduce landfills. AD improves municipal solid waste (MSW) management, representing a profitable application of the circular economy and could reduce environmental impact. The methane (CH4) potential of four different organic fractions of MSW-paper (PFW), garden (GFW), food (FFW), and a mixture of these three (OFMSW)-via AD was used to investigate the energy potential and the economic and environmental impact of Campinas. Theoretical and experimental biochemical methane potential (BMP) and substrate biodegradability were determined using the Buswell and Muller equation and the VDI 4630 method. The Gompertz model was used to predict the kinetics of the biochemical processes. The highest experimental BMP (410.7 NmLCH(4) gVS(-1)) and biodegradability (86.6%) were reached with OFMSW. OFMSW can avail an energetic potential of approximately 119 GWh year(-1), with a biomethane production equivalent to diesel at 49.9 x 10(3) m(3) year(-1), hence, potentially curtailing the CO2 emissions of heavy-duty vehicles by almost 133 kt year(-1). The electricity demand for approximately 11% of the households in Campinas could be met by the biogas produced by OFMSW, thus increasing local energy security. The replacement of fossil diesel with biomethane to fuel garbage trucks in Campinas could reduce 25% of the diesel demand. |
| https://www.mdpi.com/2227-9717/10/12/2662/pdf?version=1671177010 |
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