What is the reason for the high alkalinity of pure methanol?

2011-01-12View Original

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What is the reason for the high alkalinity of pure methanol?

Reply #22011-01-15

I believe the high alkalinity of pure methanol is mainly due to the high concentration of amines in crude methanol. Amines are primarily generated due to large fluctuations in the methanol synthesis process or at the end of the catalyst’s life cycle. Increasing the amount of sodium hydroxide added to the pre-distillation tower can have a certain effect on regulating the alkalinity of pure methanol.

Reply #32011-01-15

What if the acidity is high? What could be the possible reasons?

Reply #42011-01-16

Could you explain in detail how increasing the amount of sodium hydroxide added to the pre-distillation tower affects the alkalinity of pure methanol?

Reply #52011-01-16

The alkalinity in the added extraction water is too high

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