Using two column process, the light composition was separated from pre column, the refinary methanol was separated from main column. The purity of the product reached 99.8%.

采用双塔流程，轻组分由预塔分离，从主塔分离出的精甲醇产品纯度达998％。

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Using two column process, the light composition was separated from pre column, the refinary methanol was separated from main column. The purity of the product reached 99.8%.

采用双塔流程，轻组分由预塔分离，从主塔分离出的精甲醇产品纯度达998％。

youdao