How to produce 40% acetaldehyde aqueous solution on an industrial scale

2009-03-10View Original

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Acetaldehyde is highly reactive, has a low boiling point, and evaporates easily. It is rare to find acetaldehyde with a purity of over 99% on the market; most acetaldehyde is sold as a 40% aqueous solution. I would like to ask: how is this 40% acetaldehyde aqueous solution produced on an industrial scale? After I prepared acetaldehyde with a purity of over 98%, mixing it with distilled water at low temperatures always resulted in a white turbid solution. I’m not sure what the problem is; various methods have been tried but the issue hasn’t been resolved. Could it be that flocculation occurs when the oily acetaldehyde is mixed with water? I hope everyone can give me some advice. Thank you.

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How to produce 40% acetaldehyde aqueous solution on an industrial scale

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