fractional column

基本解释

The method avoids product fractionation in the prior coking fractional distillation column, thereby greatly reducing investment and operation cost.
该方法不需要原先的焦化分馏塔进行产品分馏，大大降低了投资和操作费用。
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From the analysis, we can understand the principle and process of the salt forming in fractional column by the assessment of fluid mechanics of tray.
从分析结果可以看出，通过核算塔盘流体力学可以定性地看出分馏塔结盐的原理和过程。
In fractional distillation, that part of the distillate which may be returned to the column to assist in making a better separation into desired fractions.
在分馏中被送回塔内促进更好分离成所需馏分的那部分馏分油。
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