Research Article
Quantitative Raman Spectroscopic Determination of the Composition, Pressure, and Density of CO2-CH4 Gas Mixtures
Table 3
Comparison of F (CH4)/F (CO2) in this study with previous works.
| | | This study | Ref. [17] | Ref. [19, 20] | Ref. [32] | Ref. [44] | Ref. [53] | Ref. [54] |
| | λ (nm) | 532.07 | 514.5 | 514.5 | 532 | 514.5 | 514.5 | 514 | | Pressure (MPa) | 2–40 | 20 | 0.5–60 | 1–60 | <1.6 | 0.1 | 5, 10 | | Temperature (°C) | 24 | 22 | 32 | 22 | — | — | 22 | | C (CH4)/C (CO2) | 0.11∼9 | 0.11∼9 | 0.11∼9 | 1 | — | — | 0.43∼2.33 | | F (CH4)/F (CO2) | 5.05 ± 0.4 | 5.16 ± 0.18 | 5.52 ± 0.16 | 3.8 ± 0.1 | 4.40 ± 0.15 | 5.05 | 11.12 |
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