Doubts about solid formaldehyde recycling

2009-03-13View Original

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In the production of paraformaldehyde, solid formaldehyde is always produced in the intermediate process. We want to recycle this part of formaldehyde. Relevant data says that the solubility of solid formaldehyde rises faster as the temperature increases, and its solubility in cold water is very small. However, most of the process workers pour in a large amount of warm water (60 degrees) to dissolve it. If steam is directly passed on it, regardless of cost factors, which one comes faster? (Theoretically, the latter is faster, but in fact, the former is faster. ) What is the reason?

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Doubts about solid formaldehyde recycling

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