Table 2 Diffusion coefficients of H2O and EtOH for layer spacings of 10, 12 and 15 Å at 300 K.

From: Highly Selective Supported Graphene Oxide Membranes for Water-Ethanol Separation

Ethanol wt.%

H2O diffusion coefficient (10−5 cm2/s)

EtOH diffusion coefficient (10−5 cm2/s)

10 Å

12 Å

15 Å

10 Å

12 Å

15 Å

0

0.01*

1.55

1.80

   

10

0.002*

0.30

1.29

0.003*

0.29

1.19

90

0.002*

0.11

0.53

0.003*

0.11

0.42

  1. *Diffusion coefficients are too small to represent molecular transport over the time scale of the simulation.