EJBiotechnology logo
Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2008 by Universidad Católica de Valparaíso -- Chile
Vol. 12 No. 2, Issue of April 15, 2009
 

Table 8. Costs of wastewater treatment technologies applied in Latin America.


Treatment technology

Construction
(USD capita-1)

O&Ma
(USD capita-1 y-1)

Reference

 GCCb

 With solar collectors

60.0

5.0

This study

 Without solar collectors

14.0

16.4

This study

 PS + AS

84.0

5.2

Sandino, 2007

 CEPT + AS

79.0

5.7

Sandino, 2007

 CEPT

46.0

4.4

Sandino, 2007

 UASB

17.0

2.0

Schellinkhout and Collazos, 1992

 Constructed wetlands

16.0

0.6

Arias, 2006

 SBR

21.0

2.6

Arias, 2006

 Stabilization pond

12.6

0.6

Arias, 2006

aO&M: Operational and Maintenance costs. bOption 1 (polyethylene vessels) of industrial scale reactor (100 m3) has been considered for comparison.
GCC: Gradual Concentric Chambers reactor; PS: Primary sedimentation; AS: Activated sludge; CEPT: Chemical Enhanced Primary Treatment; UASB: Upflow Anaerobic Sludge Bed reactor; SBR: Sequential Batch Reactor.


Supported by UNESCO / MIRCEN network