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) |
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Option 1 |
Option 2 |
Option 1 |
Option 2 |
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Investment costs (USD I.E.-1 y-1) |
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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) |
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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) |
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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) |
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With solar collectors |
0.6 |
0.8 |
0.3 |
0.3 |
|
Without solar collectors |
0.9 |
1.0 |
0.6 |
0.7 |
|
|