Table 4. Comparison of oil adsorption capacities of A. polytricha and some sorbents in the literature.

Adsorbent	Emulsified oil	Adsorption capacity (mg g−1)	Reference
Sepiolite	Motor oil	190	[5]
Expanded vermiculite	Mineral oil	163	[4]
Hydrophobized vermiculite	Mineral oil	108	[4]
Surfactant modified barley straw	Mineral oil	584	[2]
Chitosan powder	Palm oil mill effluent	3420	[6]
Chitosan flake	Palm oil mill effluent	1970	[6]
A. polytricha	Mineral oil	398	This study