Novel Carbon-Based Nanoadsorbents for Removal of Synthetic Textile Dyes from Wastewaters - Green Chemistry for Dyes Removal from Wastewater - page 64

Table 2.3 ( Cont .)

Adsorbent Target dye Conc. pH Temp.

(K)

Contact
time (h)

Adsorption
capacity

Isotherm Kinetic

model

hermodynamics Ref.

Polystyrene @
Fe 3 O 4 @GO

Rhodamine B 0-150 mg L -1 — Room

temp.

24 13.8 mg g -1 — — — [137]

Fe 3 O 4 -SiO 2 -GO Methylene

Blue

— — 298

318
333

— 97 mg g -1

102.6 mg g -1
111.1 mg g -1

Langmuir Pseudo-

second-
order

Endothermic [138]

Graphene-
Chitosan

Methylene
Blue

0-80 mg L -1 6.5 294 ± 1 58 390 mg g -1 — — — [139]

Graphene-
Chitosan

Eosin Y 0-80 mg L -1 7.0 294 ± 1 36 326 mg g -1 — — — [139]

Magnetic
chitosan/GO

Methyl Blue 60-200 mg L -1 5.3 303 1 95.31 mg g -1 Langmuir Pseudo-

second-
order

— [140]

Magnetic
chitosan/GO

Methylene
Blue

50-100 mg L -1 — 303 ± 0.2 — 180.83 mg g -1 Langmuir Pseudo-

second-
order

— [141]

Magnetic
β-cyclodextrin-
chitosan/
GO

Methylene
Blue

— — 298 — 84.32 mg g -1 Langmuir Pseudo-

second-
order

Endothermic [142]

GO/Calcium
alginate

Methylene
Blue

30-80 mg L -1 — 298 5 181.81 mg g -1 Langmuir Pseudo-

second-
order

Exothermic [143]