Table 5.
Anion and cation concentrations of solutions.
Solutions | Concentrations (mg/L) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Type | State | F− | Cl− | SO42− | NO3− | PO43− | Na+ | NH4+ | K+ | Mg2+ | Ca2+ |
Initial solutions | - | 50 | 10 | 6 | 1 | 0 | 68 | 0 | 1 | 1 | 7 |
Final solutions before regeneration | Control | 12 | 10 | 10 | 1 | 46 | 86 | 1 | 13 | 0 | 0 |
673 K | 12 | 11 | 12 | 1 | 49 | 89 | 1 | 15 | 0 | 0 | |
773 K | 12 | 10 | 10 | 1 | 49 | 88 | 1 | 13 | 0 | 0 | |
873 K | 12 | 13 | 12 | 1 | 45 | 87 | 1 | 14 | 0 | 0 | |
Final solutions after regeneration 1 | Control | 13 | 9 | 9 | 1 | 43 | 85 | 1 | 12 | 0 | 0 |
673 K | 6 | 12 | 126 | 1 | 32 | 126 | 2 | 15 | 0 | 0 | |
773 K | 8 | 11 | 90 | 1 | 45 | 116 | 2 | 13 | 0 | 0 | |
873 K | 9 | 15 | 39 | 1 | 46 | 121 | 2 | 16 | 0 | 0 | |
Final solution after regeneration 2 | Control | 17 | 8 | 8 | 1 | 42 | 88 | 1 | 11 | 0 | 0 |
673 K | 8 | 11 | 166 | 1 | 40 | 149 | 2 | 13 | 0 | 0 | |
Final solution after regeneration 3 | Control | 16 | 7 | 7 | 1 | 40 | 83 | 1 | 10 | 0 | 0 |
673 K | 6 | 11 | 182 | 1 | 44 | 158 | 3 | 13 | 0 | 0 | |
Final solution after regeneration 4 | Control | 18 | 7 | 7 | 1 | 38 | 82 | 1 | 9 | 0 | 0 |
673 K | 11 | 11 | 173 | 3 | 52 | 174 | 3 | 13 | 0 | 0 | |
Final solution after regeneration 5 | Control | 17 | 7 | 7 | 1 | 38 | 82 | 1 | 9 | 0 | 0 |
673 K | 5 | 11 | 181 | 5 | 56 | 176 | 3 | 13 | 0 | 0 |