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The benefits of integrated treatment of wastes for the production of energy

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  • Murphy, J.D.
  • McKeogh, E.

Abstract

Three wastes are examined: agricultural slurry, municipal solid waste (MSW) and sludge (wastewater bio-solids). The recommended utilisation of biogas generated from the digestion of agricultural slurry and of the organic fraction of municipal solid waste (OFMSW) is as a transport fuel. Due to parasitic demands only 50% of biogas is available for export. The lack of a market for thermal product in incinerating the residue of MSW entails wastage of 42% of the energy value of the waste. The treatment of sewage sludge requires input of energy. An integrated system is proposed which overcomes the shortfalls of the separate systems. The sludge is incinerated with the residue of MSW. Electric and thermal products of the incineration process are used in the integrated system. Surplus electricity (67% of the total) is exported. The surplus heat (82% of the total) may be exported if a market is found. The effect of the integrated system is to pull the balance of energy production towards transport fuel production and to ensure sustainability. A system treating the waste from 1,000,000 person equivalents (PE) could power 12,400 cars, provide electricity for 30,900 houses and heat 15,100 houses.

Suggested Citation

  • Murphy, J.D. & McKeogh, E., 2006. "The benefits of integrated treatment of wastes for the production of energy," Energy, Elsevier, vol. 31(2), pages 294-310.
  • Handle: RePEc:eee:energy:v:31:y:2006:i:2:p:294-310
    DOI: 10.1016/j.energy.2005.02.003
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    1. Murphy, J.D. & McKeogh, E., 2004. "Technical, economic and environmental analysis of energy production from municipal solid waste," Renewable Energy, Elsevier, vol. 29(7), pages 1043-1057.
    2. Murphy, J. D. & McKeogh, E. & Kiely, G., 2004. "Technical/economic/environmental analysis of biogas utilisation," Applied Energy, Elsevier, vol. 77(4), pages 407-427, April.
    3. Porteous, Andrew, 2001. "Energy from waste incineration -- a state of the art emissions review with an emphasis on public acceptability," Applied Energy, Elsevier, vol. 70(2), pages 157-167, October.
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    1. Pirotta, F.J.C. & Ferreira, E.C. & Bernardo, C.A., 2013. "Energy recovery and impact on land use of Maltese municipal solid waste incineration," Energy, Elsevier, vol. 49(C), pages 1-11.
    2. Nadais, Helena & Barbosa, Marta & Capela, Isabel & Arroja, Luís & Ramos, Christian G. & Grilo, André & Sousa, Sílvia A. & Leitão, Jorge H., 2011. "Enhancing wastewater degradation and biogas production by intermittent operation of UASB reactors," Energy, Elsevier, vol. 36(4), pages 2164-2168.
    3. Lai, ZhiYi & Ma, XiaoQian & Tang, YuTing & Lin, Hai, 2011. "A study on municipal solid waste (MSW) combustion in N2/O2 and CO2/O2 atmosphere from the perspective of TGA," Energy, Elsevier, vol. 36(2), pages 819-824.
    4. Di Fraia, S. & Massarotti, N. & Vanoli, L. & Costa, M., 2016. "Thermo-economic analysis of a novel cogeneration system for sewage sludge treatment," Energy, Elsevier, vol. 115(P3), pages 1560-1571.
    5. Höhn, J. & Lehtonen, E. & Rasi, S. & Rintala, J., 2014. "A Geographical Information System (GIS) based methodology for determination of potential biomasses and sites for biogas plants in southern Finland," Applied Energy, Elsevier, vol. 113(C), pages 1-10.
    6. Börjesson, Martin & Ahlgren, Erik O., 2012. "Cost-effective biogas utilisation – A modelling assessment of gas infrastructural options in a regional energy system," Energy, Elsevier, vol. 48(1), pages 212-226.
    7. Gonçalves, M.R. & Costa, J.C. & Marques, I.P. & Alves, M.M., 2011. "Inoculum acclimation to oleate promotes the conversion of olive mill wastewater to methane," Energy, Elsevier, vol. 36(4), pages 2138-2141.
    8. Tsai, Wen-Tien & Kuo, Kuan-Chi, 2010. "An analysis of power generation from municipal solid waste (MSW) incineration plants in Taiwan," Energy, Elsevier, vol. 35(12), pages 4824-4830.
    9. Leme, Marcio Montagnana Vicente & Rocha, Mateus Henrique & Lora, Electo Eduardo Silva & Venturini, Osvaldo José & Lopes, Bruno Marciano & Ferreira, Cláudio Homero, 2014. "Techno-economic analysis and environmental impact assessment of energy recovery from Municipal Solid Waste (MSW) in Brazil," Resources, Conservation & Recycling, Elsevier, vol. 87(C), pages 8-20.
    10. Sekeroglu, Ahmet & Erol, Demet, 2023. "Site selection modeling of hybrid renewable energy facilities using suitability index in spatial planning," Renewable Energy, Elsevier, vol. 219(P1).
    11. Thamsiriroj, T. & Smyth, H. & Murphy, J.D., 2011. "A roadmap for the introduction of gaseous transport fuel: A case study for renewable natural gas in Ireland," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(9), pages 4642-4651.
    12. Boráň, Jaroslav & Houdková, Lucie & Elsäßer, Thomas, 2010. "Processing of sewage sludge: Dependence of sludge dewatering efficiency on amount of flocculant," Resources, Conservation & Recycling, Elsevier, vol. 54(5), pages 278-282.
    13. Antonopoulos, I.-S. & Perkoulidis, G. & Logothetis, D. & Karkanias, C., 2014. "Ranking municipal solid waste treatment alternatives considering sustainability criteria using the analytical hierarchical process tool," Resources, Conservation & Recycling, Elsevier, vol. 86(C), pages 149-159.
    14. Letmathe, Peter & Wagner, Sandra, 2018. "“Messy” marginal costs: Internal pricing of environmental aspects on the firm level," International Journal of Production Economics, Elsevier, vol. 201(C), pages 41-52.
    15. Thamsiriroj, T. & Murphy, J.D., 2011. "The impact of the life cycle analysis methodology on whether biodiesel produced from residues can meet the EU sustainability criteria for biofuel facilities constructed after 2017," Renewable Energy, Elsevier, vol. 36(1), pages 50-63.
    16. Meneses-Jácome, Alexander & Diaz-Chavez, Rocío & Velásquez-Arredondo, Héctor I. & Cárdenas-Chávez, Diana L. & Parra, Roberto & Ruiz-Colorado, Angela A., 2016. "Sustainable Energy from agro-industrial wastewaters in Latin-America," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 1249-1262.

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