Table 6.
Characteristics of wastewater and treated wastewater FTIR Spectra.
| Frequency (cm−1) |
Differences | Assignments | |
|---|---|---|---|
| Wastewater | Treated Wastewater | ||
| 3449.55 | 3443.84 | +5.71 | O–H Stretching of hydroxyl group |
| 3051.49 | 2918.4 | +133.09 | Aliphatic C–H group |
| 2373.85 | 2366.74 | +7.11 | C–H stretching |
| 1354.07 | 1350.32 | +3.75 | C–H bonding in alkanes |
| 1109.11 | 1070.5 | +38.61 | –CO stretching in ester, ether group |
| 810.49 | 810.13 | +0.36 | C–H out-of-plane bending in Benzene derivatives. |
| 758.05 | 750.3 | +7.75 | C–H out of plane bending vibration |
| 685.09 | 680.54 | +4.55 | C–Br stretch of alkyl halides |
| 462.93 | 474.5 | -11.57 | –C bending functional groups |