Research Article
Photodegradation of Polyphenols and Aromatic Amines in Olive Mill Effluents with Ni Doped C/TiO2
Table 1
Characterization values of OMW at pH = 4.5 (
= 3, mean values).
| Parameters | Values | Minimum | Medium | Maximum |
| pH0 | 4 | 4.4 | 4.8 | DO0 (mg L−1) | 0.01 | 0.06 | 0.11 | ORP (mV) | +122 | +128.5 | +135 | TSS (mg L−1) | 55.1 | 57.65 | 60.2 | CODtotal (mg L−1) | 99130 | 112270 | 125410 | CODdis (mg L−1) | 87200 | 102275 | 117350 | CODinert (mg L−1) | 32460 | 57230 | 82000 | BOD5 (mg L−1) | 64500 | 82030 | 99560 | BOD5/CODdis | 0.3 | 0.6 | 0.9 | Total N (mg L−1) | 198 | 259 | 320 | NH4-N (mg L−1) | 25.2 | 32.2 | 39.1 | NO3-N (mg L−1) | 42 | 55 | 68 | NO2-N (mg L−1) | 19.3 | 24.2 | 29.1 | Total P (mg L−1) | 496 | 638.7 | 781.4 | PO4-P (mg L−1) | 352 | 456.1 | 560.1 | Phenol metabolites (mg L−1) | | | | Catechol | 3 | 16 | 29 | 4-Methyl catechol | 7 | 19 | 31 | 2-PHE | 2 | 5 | 8 | 3-PHE | 2 | 9 | 16 | TAAs (mg L−1) | 1240 | 1905 | 2570 | Individual TAAs (mg L−1) | | | | 2,4,6-trimethylaniline | 49 | 120 | 190 | Aniline | 42 | 108 | 174 | o-Toluidine | 27 | 94 | 161 | o-Anisidine | 48 | 92 | 135 | Dimethylalanine | 11 | 51 | 90 | Ethylbenzene | 20 | 71 | 122 | Durene [3,6-bis(dimethylamino)] | 34 | 100 | 123 |
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