Research Article
Development of a Technology for Treating Wastewater Contaminated with Nitric Acid
Table 4
Annual sales and capital spending based on the raw materials cost of the wastewater treatment plant.
| (a) |
| | Products | Annual sales (US$) |
| | Ammonium nitrate | 600000 | | Total annual sales (US$) | 600000 |
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| (b) |
| | Materials | Price (US$/m3) | Annual amount (ton/a) | Annual cost of raw materials (US$/a) |
| | Nitric acid | 115 | 78 | 8970 | | Urea | 159 | 180 | 28620 | | Phosphoric acid | 792 | 6 | 4752 |
| | Capital spending as total annual cost of raw materials | 42342 |
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