Table 1 Separation performance of GO-based membranes for organic dyes
From: Highly stable graphene-oxide-based membranes with superior permeability
Dyes | MW (g mol−1) | Charge | GO | rGO–TA | rGO–TH | rGO–GT | ||||
|---|---|---|---|---|---|---|---|---|---|---|
Perm. (L m−2 h−1 bar−1) | Rej. (%) | Perm. (L m−2 h−1 bar−1) | Rej. (%) | Perm. (L m−2 h−1 bar−1) | Rej. (%) | Perm. (L m−2 h−1 bar−1) | Rej. (%) | |||
DW | 18.0 | N | 35 ± 5 | – | 10,191 ± 30 | – | 10,720 ± 30 | – | 1550 ± 10 | – |
RB | 479.0 | + | 21 ± 3 | 99 ± 1 | 2547 ± 20 | 100 | 3612 ± 20 | 100 | 1529 ± 10 | 100 |
MLB | 373.0 | + | 25 ± 3 | 98 ± 1 | 2972 ± 20 | 100 | 8526 ± 30 | 99 ± 1 | 99 ± 1 | 100 |
MB | 799.8 | − | 14 ± 3 | 98 ± 2 | 2547 ± 20 | 76 ± 5 | 10,602 ± 30 | 71 ± 5 | 189 ± 5 | 100 |
EB | 960.0 | − | 12 ± 3 | 99 ± 1 | 1415 ± 20 | 81 ± 5 | 10,520 ± 30 | 67 ± 5 | 369 ± 5 | 81 ± 5 |
