Tartrazine Removal from Aqueous Solution by HDTMA-Br-Modified Colombian Bentonite

Table 6

Comparison of the adsorption capacity of organobentonite with various adsorbents.

Adsorbent	(mg/g)	Reference
Polyaniline-sawdust composite (PAni/SD)	2.45	[76]
Sawdust	4.71	[77]
Chitin	30.00	[78]
Organobentonite (HDTMA-Bent)	40.79	This study
Organobentonite (1CEC-NaB)	43.3	[41]
Carbon nanotubes (CNTs)	52.24	[79]
Hen feather	64.1	[80]
Nigerian soil	83.33	[81]
Cross-linked chitosan-coated bentonite (CCB)	294.1	[82]