Discussion on the yield of fusel oils in methanol distillation
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Excessive extraction of fusel oils affects yield, while too little has an impact on quality; let’s discuss this!
Controlling around 0.4% of the feed is generally sufficient.
Hao! 11!!! 0.4%?
Generally, two per thousand is sufficient. The specific situation depends on the impurity content of your crude methanol; an ethanol analysis can be conducted during the extraction of fusel oils. It is generally kept around 3.0%. A decrease in production leads to an increase in ethanol content, while an increase in production raises the load on the recovery tower. Without a recovery tower, more methanol will be lost.
Is it still measured in tons? Is the extraction also different for 100,000 tons and 200,000 tons?
The extraction of fusel oils in the early stage and later stage of catalyst use is also different, with more extraction occurring in the later stage.
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It is mainly necessary to analyze the levels of various fusel oils before making a decision
It is determined based on the analysis results of the product.