提出一次分子蒸馏过程相当于一块高效塔板的概念，经过多次蒸馏，馏出物纯度可以达到目标含量。
Established the conception of the efficiency of a pass through molecular distillation amount to the desired purity through several passes through the molecular still.
蒸馏水一次提取可以达到90.42%的提取率。
Once extraction rate can be up to 90.42% by distilled water.
这一行动减少了第一次蒸馏塔热负荷的要求。
This operation reduces the heat duty requirements of the first distillation tower.
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