Optical probe based on flame emission spectroscopy is shown to be capable for the monitoring of gasifier.
There are obvious radical emissions in the impinging area, including OH∗, H∗, NO∗, CO2∗, Na∗ and K∗ emissions.
The pathways of some radicals productions in gasifier have been explored.
With the increase of O/C, more reactions occur in the upward stream and OH∗ can clearly reflect the changes.
The change rules of OH∗ at the burner plane are similar to that of temperature and CO2 concentration.
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