Vol. 35 No. 2 (2022): Revista ION
Articles

Techno-economic evaluation of a chromic wastewater treatment plant proposal

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  • Amaury Pérez Sánchez,
  • Marisabel Sánchez González
Amaury Pérez Sánchez
University of Camagüey
Marisabel Sánchez González
University of Camagüey
DOI: https://doi.org/10.18273/revion.v35n2-2022003

Published 2022-12-02

Keywords

  • Chromium,
  • Economic evaluation,
  • Process simulation,
  • Wastewater treatment

How to Cite

Pérez Sánchez, A., & Sánchez González, M. . (2022). Techno-economic evaluation of a chromic wastewater treatment plant proposal. Revista ION, 35(2), 33–48. https://doi.org/10.18273/revion.v35n2-2022003

Copyright (c) 2022 Amaury Pérez Sánchez, Marisabel Sánchez González

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Wastewater treatment plants are systems that, if properly operated, can help the health of industry and the environment. In the present work, the techno-economic evaluation of a proposed chromic wastewater treatment plant with a processing capacity of 9 t of wastewater per batch was carried out, in order to determine its main profitability parameters, using SuperPro Designer® simulator v. 10. Around 6,959.90 L/batch of treated water are generated, while a total capital investment of USD $ 3,549 million and a direct fixed capital of USD $ 3,222 million are required. The item that most influences the annual operating costs is the facility-dependent costs (USD $ 345,000/year) while the reagent that most influences the material consumption annual costs is ferric chloride (USD $ 56,805/year). It was obtained a unit processing cost of USD $ 0.22/kg, an annual net profit of USD $ 486,000 and a return on investment of 22.16%. The values ​​obtained for the indicators Net Present Value (USD $ 3,361,000), Internal Rate of Return (29.61%) and Payback Time (4.51 years) allow establishing that the proposal is profitable under the current economic conditions of Cuba.

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