Skip to main content
. 2019 Mar 15;9(3):439. doi: 10.3390/nano9030439

Table 2.

A summary of dye removal by GO materials.

Adsorbents Dye Isotherm Type Experiment (Calculation) mg g−1 Kinetic Type Ref.
As Sole adsorbent GO # MB
MG		 Langmuir 220 (351)
180 (248)		 - [113]
HmGO # MB Freundlich 387.9 PSO [105]
GO # MB
RhB
CV		 - 199.2 *
154.8 *
195.4 *		 PSO [114]
GO
SRGO		 AO Langmuir 1382 (1428)
2158 (3333)		 - [99]
GO sponge MB
MV		 - 389
385.7		 PSO [104]
sGO AO
MB
CV		 - 94.6
123.3
125.0		 PSO [109]
GO AO - 229.8 - [115]
GO AO8
DR23		 Langmuir 25.6 (29)
14.0 (15.3)		 PSO
PSO		 [101]
GO BR12
MO		 Langmuir (63.69)
(16.83)		 -
-		 [102]
GO
AC
CNTs		 MB Langmuir 240.65 (243.9)
263.49 (270.27)
176.02 (188.68)		 PSO
PSO
PSO		 [116]
3D RGO MB
RhB		 Freundlich 6.17 *
9.18 *		 PSO [110]
GOp
NGOp-1 wt %
NGOp-2wt %
NGOp-3 wt %
GOf
NGOf-1 wt %
NGOf-2 wt %
NGOf-3 wt %		 CR Langmuir (12.56)
(11.06)
(16.84)
(19.49)
(12.42)
(9.59)
(11.64)
(14.17)		 PSO [111]
GO-VG
GO-LG
GO-FG
GO-AG		 CB Langmuir 3071.47 (3206.66)
3261.25 (3414.92)
3404.80 (3587.92)
3953.92 (4248.79)		 PSO [112]
GO MB
BG		 Langmuir 927 (476.19)
724 (416.67)		 PSO [117]
GO MB - - - [118]
As Composite element SA-GO-N
SA-GO-M		 AO Langmuir 797 (836)
1351 (1420)		 PFS
PFS		 [119]
RL-GO MB BET, Freundlich (309) PSO [103]
KGM MO
MB		 Freundlich 51.6
92.3		 PSO [120]
5 wt % GOCB MG Langmuir (17.862) PSO [106]
MGSi AO Freundlich - PSO [121]
LI-MGO AO
CV
OIV
GR		 Langmuir 62.08 (132.80)
37.88 (69.44)
39.46 (57.37)
147.8 (588.24)		 PSO [122]
GO-LCTS MB Langmuir (402.6) PSO [123]
GO/1-OA MG
ER		 Freundlich 2687.56
1189.1		 PSO [124]
polyHIPEs/GO MB
RhB		 - 1250.3 *
1051.1 *		 PSO [125]

Note: - means the publication does not note; * the data is predicted by a kinetic model simulation; # the term GO used here indicates graphite oxide, but its preparation in fact followed the same Hummers method as those without this tag; RT means room temperature.