Table 1 Mean composition of the batch RO system’s feed (i.e., YDP concentrate), concentrate, and product water
From: Piloting batch reverse osmosis with a flexible bladder for water recovery from scaling-prone brine
Feed | Concentrate | Product | |
|---|---|---|---|
(All concentrations in mg/L) | |||
Barium | 0.050 ± 0.016 | 0.240 ± 0.016 | 0.0007 ± 0.0005 |
Boron | 1.11 ± 0.16 | 3.22 ± 0.07 | 0.44 ± 0.0386 |
Calcium | 316 ± 28 | 1685 ± 15 | 4.9 ± 1.8 |
Chloride | 1543 ± 116 | 9100 ± 80 | 43 ± 11 |
Fluoride | <10.4 | <26.0 | 1.8 ± 0.7 |
Iron | 0.039 ± 0.025 | 1.347 ± 0.913 | 0.008 ± 0.017 |
Magnesium | 152.0 ± 9.6 | 878.0 ± 10 | 2.6 ± 0.9 |
Nitrate (as N) | 19.0 ± 0.5 | 79.1 ± 2.5 | 1.1 ± 0.2 |
Potassium | 22.7 ± 1.2 | 118.5 ± 1.5 | 0.54 ± 0.16 |
Silicon dioxide | 19.0 ± 2.5 | 106.5 ± 2.5 | 0.40 ± 0.09 |
Sodium | 1714 ± 94 | 9180 ± 50 | 44 ± 11 |
Strontium | 4.49 ± 0.40 | 24.3 ± 0.7 | 0.070 ± 0.027 |
Sulfate | 2521 ± 109 | 14,900 ± 200 | 44 ± 14.5 |
Total dissolved solids | 6366 ± 343 | 36,200 ± 200 | 150 ± 40 |
pH | 5.8 ± 0.4 | 3.8 ± 0.1 | 5.9 ± 0.1 |
Number of samples | 7a | 2 | 21 |
