Table 7. Yearly costs of GCC reactor per inhabitant equivalent (in USD I.E.-1 y-1) and per m3 of wastewater treated (USD m-3 wastewater). See Table 6 for option 1 and option 2 characteristics.


Pilot reactor (10 m3)

Industrial reactor (100 m3)

Option 1

Option 2

Option 1

Option 2

 Investment costs (USD I.E.-1 y-1)

 With solar collectors

3.9

7.3

3.0

5.3

 Without solar collectors

1.0

4.3

0.7

3.0

 Operational and maintenance costs (USD I.E.-1 y-1)

 With solar collectors

14.8

14.8

5.0

5.0

 Without solar collectors

26.2

26.2

16.4

16.4

 Total costs (USD I.E.-1 y-1)

 With solar collectors

18.7

22.1

8.0

10.3

 Without solar collectors

27.2

30.5

17.1

19.4

 Total costs (USD m-3 wastewater)

 With solar collectors

0.6

0.8

0.3

0.3

 Without solar collectors

0.9

1.0

0.6

0.7

 


Supported by UNESCO / MIRCEN network