Research Article
Preparation and Mechanism of a New Enhanced Flocculant Based on Bentonite for Drinking Water
Table 8
The costing evaluation for flocculant BTA based on the price of raw materials purchased from Beijing chemical market in 2013.
| | Raw material | Content
(wt%) | Price
(RMB¥/t) | Cost
(RMB¥/t) |
| | PAC | 15.0 | 2000 | 300 | | Ca-bentonite | 47.2 | 500 | 236 | | Talc | 2.95 | 600 | 17 | | Calcium hydroxide | 2.95 | 700 | 20 | | Citric acid | 2.95 | 5000 | 147 | | Sodium bicarbonate | 2.95 | 1500 | 44 | | Ferrous sulfate | 5.0 | 400 | 20 | | Aluminum sulfate | 20.0 | 800 | 160 | | CPAM | 1.0 | 25000 | 250 |
| |
Total cost of raw materials (RMB¥/t) | 1194 | |
Estimated total produced cost (RMB¥/t) | 200 | |
Total cost of flocculant BTA (RMB¥/t) | 1400 |
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