Phenol Red Adsorption from Aqueous Solution on the Modified Bentonite

Table 4

Comparison of the adsorption capacity for various adsorbents in phenol red removal that confirm their applicability and suggest their attractive candidates for dye removal.

Adsorbents	Maximum monolayer adsorption uptakes (mg·g^−1)	Ref.
Bottom ash	7.4	[12]
Deoiled soya	5.3	[12]
Silica-filled ENR/PVC beads	2.6	[13]
Activated charcoal	0.04	[14]
Barley husk-derived activated carbon	6.76	[34]
TiO2–NPs–ACWR	55.6	[35]
PAC	43.9	[36]
ZnS: Cu‐NPs‐PAC	196.0	[36]
CB	166.7	This work
AlCB	125.0	This work
FeCB	100.0	This work