At the end of the life cycle of methanol synthesis catalysts, so many by-products are generated – how to handle distillation in such a situation?
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Towards the end of catalyst synthesis, the by-products produced contain both a large amount of heavy components and light components. During distillation adjustments, the heavy components cause the wastewater’s COD level to be above the acceptable limits, while the light components result in an unacceptable value for the permanganate index. Could you advise on how to make these adjustments?
Which synthetic catalyst is being used? ? It is recommended to control the extraction of fusel oils.
Was the methanol residue acceptable in the early stages? In the final stage, increase the temperature at the hot spots in the bed layer and raise the amount of off-gas released