The ethanolamine used for solvent regeneration becomes of poor quality
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I’ve been looking at information regarding ethanolamine; if the SO2 content in the exhaust gas coming from the sulfur quench tower is too high, it can degrade the ethanolamine solvent used for absorbing that exhaust gas. Is there a relationship between the degraded quality of the solvent and sulfur dioxide? Those who know, please let me know. Thank you, bonus points!
Deterioration is certain; the sulfur content can be analyzed
Note that if sulfur dioxide is introduced into the quench tower, the pH value will decrease; therefore, alkali must be added promptly to keep the pH at 7. Check if there is a problem with the catalyst in the exhaust gas hydrogenation reactor, or increase the bed temperature.