Table 3 Composition of the initial stilbite, the recovered solids, and of completely carbonated stilbite in accord with reaction (4) – see text.
From: Rapid CO2 mineralization by zeolite via cation exchange
Sample | Elapsed time (days) | Concentration [mass %] | ||||
|---|---|---|---|---|---|---|
Al1 | Ca1 | Na1 | Si1 | CO22 | ||
S0 | 0 | 8.04 | 5.62 | 0.38 | 26.79 | 0 |
S1 | 2 | 7.58 | 4.93 | 3.44 | 24.78 | 2.94 |
S2 | 30 | 7.24 | 4.20 | 5.07 | 23.79 | 4.12 |
S3 | 65 | 6.01 | 3.83 | 5.49 | 23.20 | 5.06 |
S4 | 106 | 7.16 | 3.02 | 5.85 | 23.69 | 3.86 |
S5 | 225 | 8.14 | 3.01 | 6.47 | 26.42 | 3.74 |
Calculated from reaction (4) | - | 7.0 | 4.89 | 5.94 | 23.29 | 5.37 |
