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WP2 : Energetic aspects of urban waste treatments Claire Lecointe, Charlotte Barbut

WP2 : Energetic aspects of urban waste treatments Claire Lecointe, Charlotte Barbut. 3 rd AWAST Workshop June 20-21 st , 2002, Trondheim. PLAN. Introduction Inventory of energy data in waste management Incineration model Biogas energy recovery model Conclusion. Introduction.

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WP2 : Energetic aspects of urban waste treatments Claire Lecointe, Charlotte Barbut

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  1. WP2 : Energetic aspectsof urban waste treatmentsClaire Lecointe, Charlotte Barbut 3rd AWAST Workshop June 20-21st, 2002, Trondheim

  2. PLAN Introduction • Inventory of energy data in waste management • Incineration model • Biogas energy recovery model Conclusion

  3. Introduction • D3 : Comparable energetic data for the different channels and for the contractor countries • D4 : Energetic models

  4. Inventory of energy data

  5. Negative points :few data about energy consumption • Transport : only available data are from the French Agency for the Environment and the Energy Control (ADEME) • Composting : only available data are from LQARS. They are low according to some general values (16,3 kWh/t compared to 20 to 100 kWh/t) • Sorting : no data

  6. Positive points :inventory of energy production • Incineration : • energy production and self-consumption reports easily available • data like temperature, pressure… only available for some models of French installations with our own software • Methanisation and landfill : • energy production and self-consumption reports easily available But information differs a lot from country to country and is not complete for all countries

  7. Incineration model

  8. Incineration flows with the model entries

  9. Strasbourg incineration plant results exCM = LHVwaste / [1 + rair (1+e) VA] hF = MS*exS1 / [(MW+MA)*exCM] exS = h - Tambiant cp ln(TS/Tambiant) hB = MH2O(exH2O2- exH2O1) / [MS(exS2- exS1)] exH2O = h - Tambiant s hT = We / [MH2O(exH2O3- exH2O2)] electricity yield = 5,1% thermal yield = 25,0% he = We / [(MW+MA)*exCM] hth = MH2O(exH2O3- exH2O1) / [(MW+MA)exCM]

  10. Strasbourg incineration plant results electricity yield = 5,1% thermal yield = 25,0%

  11. Biogas energy recovery model

  12. The different ways of biogas energy recovery

  13. Energy recovery with biogas engine • exergy = thermal + physical exergy • electricity production linked to mechanical energy provided by the piston • mechanical energy provided during compression, expansion and combustion for a diesel engine • study of thermal exergy similar to the incineration case

  14. Conclusion • Delay for both deliverables • Incineration model : OK • Biogas energy recovery model : at the moment the only available data for biogas engine are theoretical • Problem with biogas production model for methanisation and landfill • Participation in Orleans Case Study • Greenhouse gases study

  15. Financial statementsmost of the cost is personal cost

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