Table 3
Natural gas mixtures with known components [53].
| Component | NG1 | NG2 | NG3 | NG4 |
|---|---|---|---|---|
| Nitrogen | 2.031 | 0.670 | 0.246 | 0.262 |
| Carbon dioxide | 0.403 | 0.400 | 0.143 | 0.169 |
| Methane | 90.991 | 77.751 | 94.045 | 88.023 |
| Ethane | 2.949 | 10.507 | 1.867 | 5.824 |
| Propane | 1.513 | 5.969 | 1.802 | 3.292 |
| i-Butane | 0.755 | 1.793 | 0.356 | 0.537 |
| n-Butane | 0.755 | 0.992 | 0.706 | 0.936 |
| i-Pentane | 0.299 | 0.495 | 0.201 | 0.249 |
| n-Pentane | 0.304 | 0.495 | 0.252 | 0.236 |
| n-Hexane | – | 0.218 | 0.199 | 0.089 |
| 2-Methylpentane | – | 0.140 | – | 0.045 |
| 3-Methylpentane | – | 0.139 | – | 0.015 |
| Benzene | – | 0.030 | – | – |
| Methylcyclopentane | – | 0.007 | – | – |
| n-Heptane | – | 0.129 | 0.100 | 0.189 |
| 2-Methylhexane | – | 0.050 | – | – |
| 3-Methylhexane | – | 0.050 | – | – |
| Toluene | – | 0.035 | – | – |
| Methylcyclohexane | – | 0.020 | – | – |
| n-Octane | – | 0.050 | 0.052 | 0.098 |
| 2, 2, 4-Trimethylpentane | – | 0.030 | – | – |
| n-Nonane | – | 0.03 | 0.025 | 0.036 |