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Waste Water Treatment in Costa Rica

Waste Water Treatment in Costa Rica. Harold Steinvorth. Legislation. Ley General de Salud (1973) Ley de Vida Silvestre (1992). Legislation. Ley General de Salud: Demands Waste Water Treatment Demands an approval from the Ministerio de Salud. Close the establishments that infringe the law.

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Waste Water Treatment in Costa Rica

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  1. Waste Water Treatment in Costa Rica Harold Steinvorth

  2. Legislation • Ley General de Salud (1973) • Ley de Vida Silvestre (1992)

  3. Legislation • Ley General de Salud: • Demands Waste Water Treatment • Demands an approval from the Ministerio de Salud. • Close the establishments that infringe the law.

  4. Legislation • Ley de Vida Silvestre: • Forbids to contaminate any body of water. • BOD and Total suspended solids must not exceed 50 mg/l.

  5. Screen Bars

  6. Hidrostatic Filters

  7. Sandtraps

  8. Grease Traps

  9. Floculation

  10. Waste Water Treatment System CAJA DE REJAS Y AFORO Bar screen Anaerobic Filter SEDIMENTADOR PRIMARIO Y DIGESTOR Primary settler Restaurante sludge wash CAJA DE DISTRIBUCION Distribution manhole Grease Traps CD Pumping Station B SIFONES DOSIFICA- DORES Waste Water SD SD Habitaciones Lixiviados Sludge water Fertilizer Sludge dryers CAMPO DE INFILTRACION Wetland WWT (sand filter)

  11. Anaerobic lagoons

  12. Waste Water Treatment System Airation Tanks (3) Settling Chambers CAJA DE ENTRADA B B Treated water Sludge Recirculation Air Hotel B Overflow purge blowers Aerobic Digestor B Air CLORATE Cl2 Industrial Zone Cleaning purge Sludge B watering Fertilizer B Lixiviados Apts. AREAS VERDES Drying chambers

  13. Aerobic Treatment Airation tanks Water Inlet

  14. Air Difuser Blowers

  15. Reactores Aeróbicos Lodos Activados de Aeración Extendida Treated water storage Treated water usage

  16. Usage • Verted in a river • Watering • Other (cooling systems, service water… etc)

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