This device is used in medicine, food, light industry and chemo-industry for recycling alcohol, also applicable for distillation of methanol and other dissolvent. It can distill alcohol of about 30¡æ into that of 90¡æ-95¡æ according to users¡¯requirements. The denser the alcohol is, the bigger rate of counterflow it causes, reducing producing amount accordingly. W-type which is designed with intermission can also be used to distill methanol.
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