Open Access
Table 2
Model parameters for the Fig. 6.
| Species (CODE) | ΔFo (J) | Isotherm type | Comments |
|---|---|---|---|
| Methane adsorption | |||
| CH4 (PK1) | 2.880 × 10−20 | Pruppacher & Klett (1997) - Eq. (9.7)/old ΔFo | |
| CH4 (PK2) | 1.519 × 10−20 | Pruppacher & Klett (1997) - Eq. (9.7)/new ΔFo | |
| CH4 (REF/LAN) | 1.519 × 10−20 | Langmuir, Eq. (1) | Timescale τ = 700 s |
| CH4 (LAN2) | 1.519 × 10−20 | Langmuir | REF. w/Timesc. τ = 1400 s |
| CH4 (LAN3) | 1.519 × 10−20 | Langmuir | REF. w/Timesc. τ = 350 s |
| CH4 (LAN4) | 1.559 × 10−20 | Langmuir | REF. w/ΔFo within |
| CH4 (LAN5) | 1.485 × 10−20 | Langmuir | Uncertainties on isotherm match |
| CH4 (LAN6) | 1.519 × 10−20 | Langmuir | REF. w/Nucleation × 10 |
| CH4 (LAN7) | 1.519 × 10−20 | Langmuir | REF. w/Nucleation × 0.1 |
| Ethane adsorption | |||
| C2H6 (PK3) | 2.88 × 10−20 | Pruppacher & Klett (1997) - Eq. (9.7)/old ΔFo | |
| C2H6 (PK4) | 2.35 × 10−20 | Pruppacher & Klett (1997) - Eq. (9.7)/new ΔFo | |
| C2H6 (REF/BET) | ΔFo = 2.35 × 10−20 | Brunauer-Emmett-Teller | c = 0.067 and α = 9.05 × 10−12 |
| ΔFi = 2.63 × 10−20 | Eq. (4), (5) and (3) | (match Curtis et al. 2008) | |
| Timescale τ = 700 s | |||
| C2H6 (BET2) | ΔFo = 2.33 × 10−20 | Brunauer-Emmett-Teller | REF. w/c = 0.052 and α = 8.79 × 10−12 |
| ΔFi = 2.64 × 10−20 | Uncertainty on isotherm match | ||
| C2H6 (BET3) | ΔFo = 2.37 × 10−20 | Brunauer-Emmett-Teller | REF. w/c = 0.087 and α = 9.39 × 10−12 |
| ΔFi = 2.62 × 10−20 | Uncertainty on isotherm match | ||
| C2H6 (BET4) | Same as for (REF/BET) | Brunauer-Emmett-Teller | REF. w/Timesc. τ = 1400 s |
| C2H6 (BET5) | Same as for (REF/BET) | Brunauer-Emmett-Teller | REF. w/Timesc. τ = 350 s |
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