Table 2.

Phenol adsorption capacity for different absorbents.

Materials	qm (mg/g)	Reference
Zeolite Y and zeolite Y modified by sylilation	4.24–24.5	[52]
Zeolite X, activated carbon, zeolite X/activated carbon composite	1.4–13.9	[9]
Apatite adsorbents	2–8	[40]
Chitosan and chitosan modified by salicylaldehyde and b-cyclodextrin	1–2.5	[53]
Chitosan-carbon nanocomposite	33.6	[54]
Bentonite	8.43	[55]
Kaolin	2.35	[55]
NaP1 and NaP1CS	4.5–5.0	This study