![]() 30, 254–266 (2006)īurrowes, P., Constantine, T., Kraemer, J., Dangtran, K.: Energy recovery from thermal treatment: to digest or not to digest: is this sustainable? Proc. Energy 36, 3313–3318 (2011)īerglund, M., Börjesson, P.: Assessment of energy performance in the life-cycle of biogas production. Qiao, W., Yan, X., Ye, J., Sun, Y., Wang, W., Zhang, Z.: Evaluation of biogas production from different biomass wastes with/without hydrothermal pretreatment. Houillon, G., Jolliet, O.: Life cycle assessment of processes for the treatment of wastewater urban sludge: energy and global warming analysis. Environmental Protection Agency, Wexford (2014) Shannon, D., Byrne, N., Flynn, D.: Focus on Urban Waste Water Treatment in 2013. Biomass and waste co-processing was evaluated in order to avoid heat and electricity deficits due to variations in sludge availability and properties, showing potential for reducing carbon footprint and associated electricity costs.Įurostat: Generation of waste by economic activity: Water collection, treatment and supply, sewerage, remediation and other waste management services. Treatment costs between €132 and 210 dry t −1 were achieved and the associated levelised costs of electricity (23–85c kWh −1) were within the cost range known for biomass digestion and other CHP technologies. ![]() The integration of AD with gasification increased total energy coverage by up to 46%. A gasification plant (6 MW el) with combustion engines produced sufficient power for treating wastewater (1.6 Mp.e.) and 130 tpd dry sludge. The study was supported by empirical data and thermodynamic modelling of processes involved in sludge conversion. This study presented a techno-economic evaluation of the thermal conversion of sludge and digestate integrated with anaerobic digestion (AD) as a means of waste volume reduction, carbon emissions mitigation and energy recovery in wastewater treatment plants. ![]()
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