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2009 Association for the Study of the Cuban Economy Conference Karen Kajder

Conceptual Design of a Wastewater Treatment Plant for the Municipality of Cotorro , Province of Havana, CUBA. 2009 Association for the Study of the Cuban Economy Conference Karen Kajder University of Miami, BSENV, ‘09. Background on Cotorro wastewater system

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2009 Association for the Study of the Cuban Economy Conference Karen Kajder

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  1. Conceptual Design of a Wastewater Treatment Plant for the Municipality of Cotorro, Province of Havana, CUBA 2009 Association for the Study of the Cuban Economy Conference Karen Kajder University of Miami, BSENV, ‘09

  2. Background on Cotorro wastewater system • Current wastewater system plans in Cotorro • Proposed solution to treat Cotorro’s wastewater • Cost Analysis • Conclusion Outline 2009 ASCE Conference Miami FL

  3. Almendares River provides water source for Havana • Sources of contamination Almendares Watershed 2009 ASCE Conference Miami FL

  4. Population: ~74,500 • Population connected to sewer collection system: ~20,000 • Cotorro’s domestic wastewater is currently being discharged into upper tributaries of the Almendares River- untreated • Vento Aquifer provides about 50% of the potable water for Havana • In-operable pump station: wiring and control panels need to be repaired Background: Cotorro, Cuba 2009 ASCE Conference Miami FL

  5. Contour Details 2009 ASCE Conference Miami FL

  6. Build additional sewer collection lines • Restore San Pedro pump station • Construct holding tank • Construct wastewater treatment plant Ultimate Goal  Move water into the Cojimar Watershed Current Plan- funding provided by Organization of Petroleum Exporting Countries (OPEC) 2009 ASCE Conference Miami FL

  7. Almendares Watershed 2009 ASCE Conference Miami FL

  8. Methods for Treating Domestic Wastewater 2009 ASCE Conference Miami FL

  9. Protect Human Health • Cost-effective • Easy to use and maintain • Incorporate local materials and practices • Minimize environmental impacts • Advantages/Disadvantages of different unit processes • Technical Analysis • Cost Design Process 2009 ASCE Conference Miami FL

  10. Phase I: Preliminary, Primary Treatment and Disinfection • Grit Removal • Settling Tanks (Clarifiers) • Chlorine Gas • Sludge Treatment • Phase II: Secondary treatment • Trickling Filter • Settling Tanks • Phase III: Tertiary Treatment- Nutrient Removal • Nitrogen and Phosphorus Three Project Phases 2009 ASCE Conference Miami FL

  11. Site Layout 2009 ASCE Conference Miami FL

  12. Population growth to 2025 (WHO) • 82,500 people • Quality of wastewater assumed from EPA, UN, and Puerto Rico Aqueduct and Sewer Authority • With all treatment systems implemented, Class A quality status • Rivers and reservoirs that are utilized as a source of potable water for public use and/or industrial use for the processing of food Effectiveness of the Design 2009 ASCE Conference Miami FL

  13. Look at how much each phase would cost • Use cost estimating tables and historical knowledge from similar projects in the U.S. • Consider impact on Almendares and Cojimar watersheds Cost Analysis 2009 ASCE Conference Miami FL

  14. 2009 ASCE Conference Miami FL **CITATION FOR TABLE****

  15. The Almendares Watershed needs to be protected to safeguard human health • Implementation of three phases will bring wastewater quality up to the highest standards • Contamination of the environment will also be avoided- cleaner and more suitable resources for fishing or recreation and tourism • Further work should be done with economists to fully understand the impact on the region Conclusion 2009 ASCE Conference Miami FL

  16. Thank you! Questions? 2009 ASCE Conference Miami FL

  17. This presentation reflects the collective guidance and review comments from many individuals both within and outside the University of Miami (UM) Department of Civil, Architectural and Environmental Engineering. The UM senior class project team would like to specifically thank the following individuals and organizations for their valuable time in providing ideas and review comments: • University of Miami Department of Civil and Environmental Engineering: • Helena Solo-Gabriele, Ph.D., P.E. • CDM (Camp, Dresser & McKee Inc): • Armando Perez, P.E., PhD • Victor Pujals, P.E. • Stefan Haecker, P.E. • Ignacio L. Lizama, P.E. • Bruce Chalmers, P.E. • LaylaLlewelyn, P.E. • Hazen and Sawyer: • Fernando Chiriboga, P.E. • Peter S. Robinson, P.E. • Jason Payge, P.E. Acknowledgements 2009 ASCE Conference Miami FL

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