Glycolaldehyde is hydrogenated to ethylene glycol
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I would like to ask everyone: can glycolaldehyde be reduced to ethylene glycol through hydrogenation? The ethylene glycol aldehyde content in what we produce is very high; can this method be used to reduce the aldehyde content, thereby replacing the aldehyde-removing resin?
Is that meant to be used in a slurry bed reactor? This requires a foundation in pilot and lab-scale testing; conclusions cannot be drawn arbitrarily
Our products have a relatively high aldehyde content (50 ppm), but this level can be reduced using a resin bed to 1–2 ppm. However, the aldehyde content increases again in the final product tank, reaching up to 15 ppm after 24 hours; therefore, we are looking for a way to remove aldehydes without using a resin bed
Could you please find out why the aldehyde content in the finished product tank has increased?