Research Article
Adsorption of Phenol from Aqueous Solution Using Lantana camara, Forest Waste: Kinetics, Isotherm, and Thermodynamic Studies
Table 5
The FTIR spectral analysis of adsorbent treated with KOH.
| | Peak | Frequency (cm−1) | Difference | Assignment | | Before adsorption | After adsorption |
| | 1 | 3610 | 3633 | +23 | O–H stretching in phenol | | 2 | 1365 | 1362 | −3 | C–O ring of alcohol | | 3 | 2923 | 2920 | −3 | C–H stretching of alkane group | | 4 | 1743 | 1712 | −31 | C=O in carboxylic group |
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