Research Article
Pyrolysis Characteristics and Effect on Pore Structure of Jimsar Oil Shale Based on TG-FTIR-MS Analysis
Table 3
Main absorption peaks of FTIR spectra of gas products from pyrolysis of oil shale.
| | Gaseous product | Peak range (cm-1) | Absorption peak-position (cm-1) | Functional group | Vibrational modes |
| | CH4 | 3000 - 3024 | 3012 | C-H | Stretching vibrations | | CO2 | 600-725
2240 - 2400 | 669
2360 | C=O | Stretching vibrations | | H2O | 4000-3500
1900 - 1300 | 3638, 3735
1508 | O-H | Stretching vibrations | | CnHm | 3000 - 2800 | 2929, 2858 | C-H | Stretching vibrations |
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