Table 4 Comparison of maximum sorption capacity for the crude oil by various sorbents.

Chitosan flakes

0.38 g/g

⁴⁹

Chitosan powder

0.28 g/g

⁴⁹

Chitosan-based polyacrylamide hydrogel

2.31 g/g

⁵⁰

Chitosan (prawn shells)

18.52 g/g

⁵¹

Acetylated corncobs

0.08 mg/g

⁵²

Lauric acid (LA) modified oil palm leaves

1.2 mg/g

⁵³

Carbonized rice husks (CRH)

6 g/g

⁵³

Cellulose aerogel functionalized with methyltrimethoxysilane

24.41 g/g

⁵⁴

Butyl rubber

25 g/g

⁵⁵

Non-woven polypropylene

15 g/g

⁵⁵

BuAc cellusoe graft copolymer

13.83 g/g

⁵⁶

Chitosan-g-citronellal schiff base

24.40 g/g

This study