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Waste-to-Energy Conversion in Havana: Technical and Economic Analysis

Author

Listed:
  • Junior Lorenzo Llanes

    (Chemical Engineering Department, Technological University of Havana (Cujae), Havana 11500, Cuba)

  • Efstratios Kalogirou

    (Waste-to-Energy International Expert, 15780 Athens, Greece)

Abstract

Havana has the highest population and consequently generation of municipal solid wastes (MSW) in Cuba. In Havana, the final deposition method for MSW is mainly landfills. However, in most cases, they exceed their lifetime of operation becoming in reality dumpsites without energy recovery from wastes. In this regard, waste-to-energy is a well-established technology for MSW treatment. The aim of this work was to carry out a techno-economic assessment for a proposed waste-to-energy plant in the city of Havana. A step-wise methodology based on two process analysis tools (i.e., Excel and Aspen Plus models) was used for the technical evaluation. Simulation results are in agreement with data from real plants, showing that it is possible to produce 227.1 GWh of electricity per year, representing 6% of the current demand in Havana. The economic analysis showed the feasibility of the project with a net present value of 35,483,853 USD. Results from the sensitivity analyses show the effect of the economy of scale when changes in low heating value were considered. Finally, a hypothetical best scenario was studied considering the net effect on the average Cuban salary.

Suggested Citation

  • Junior Lorenzo Llanes & Efstratios Kalogirou, 2019. "Waste-to-Energy Conversion in Havana: Technical and Economic Analysis," Social Sciences, MDPI, vol. 8(4), pages 1-17, April.
    • Handle: RePEc:gam:jscscx:v:8:y:2019:i:4:p:119-:d:223084
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    Cited by:

    1. Ishmael Onungwe & Dexter V. L. Hunt & Ian Jefferson, 2023. "Transition and Implementation of Circular Economy in Municipal Solid Waste Management System in Nigeria: A Systematic Review of the Literature," Sustainability, MDPI, vol. 15(16), pages 1-26, August.

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