Table 2 Selected ranges for FTIR analysis and the retention times of GC-MS analysis of components of the process
Substance | Range of FTIR analysis, cm-1 | Retention time, min |
|---|---|---|
Water | 4200-3800 | - |
Carbon dioxide | 3700-3400 | - |
Propane | 3300-2600 | - |
Ethane | 3100-2800 | - |
Methane | - | |
Formaldehyde | 2900-2500 | - |
Carbon monoxide | 2200-2000 | - |
Methanol | 1500-900 | - |
Ethylene | 1200-900 | - |
Anisole | - | 6.90 |
Phenol | see figure 5 | 7.85 |
o-cresol | see figure 5 | 8.88 |
m-cresol | see figure 5 | 9.13 |
p-cresol | see figure 5 | 9.14 |
2,6-DMP | see figure 5 | 9.63 |
2,5-DMP | see figure 5 | 10.06 |
2,4-DMP | see figure 5 | 10.08 |
2,3-DMP | see figure 5 | 10.58 |
2,4,6-TMP | see figure 5 | 10.80 |
2,3,5-TMP | see figure 5 | 11.64 |
3,4,5-TMP | see figure 5 | 12.28 |