Table 7 Capital costs of DOE open system per hectare
Equipment | Cost/ha (2003 dollars) |
|---|---|
Earthworks | 16,613 |
Walls & structural | 13,611 |
Mixing system | 8,063 |
Carbonation system | 3,000 |
Instrumentation | 820 |
Primary (settling ponds) | 12,259 |
Secondary (centrifuges) | 6,488 |
Water supply/distrib. | 7,255 |
C02 distribution | 426 |
Nutrient supply | 1,280 |
Salt disposal | 1,365 |
Buildings (not for centf.) | 939 |
Roads and drainage | 854 |
Electrical distribution & supply | 3,154 |
Machinery | 684 |
Engineering/Construction/Contingency | 19,203 |
Land (2 ha) | 4,098 |
Total capital cost | 101,256 |
Annual cost | 14,417 |