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Chemical characteristics of HTL aqueous phase.
| Parameter | Aqueous phase without catalyst | Aqueous phase with CaO | Aqueous phase with TiO2 | Aqueous phase with Na2CO3 |
|---|---|---|---|---|
| pH | 7.9 | 7.5 | 7.8 | 8.3 |
| COD (mg L−1) | 25492 ± 05 | 36025 ± 02 | 32472 ± 05 | 40391 ± 04 |
| TN (mg L−1) | 1491 ± 02 | 1503 ± 01 | 1646 ± 03 | 1805 ± 05 |
| TP (mg L−1) | 904 ± 04 | 1034 ± 02 | 876 ± 03 | 1023 ± 01 |
| TOC (mg L−1) | 135 40 ± 01 | 167 38 ± 05 | 206 21 ± 02 | 196 45 ± 04 |
