The chlorination of pivaloyl chloride to prepared 3-chloropivaloyl chloride was took place in a packed distillation column with total reflux.
将新戊酰氯氯化为制得的3-氯新戊酰氯在全回流的填充蒸馏塔中进行。
Control reflux rate of rectification column.
控制精馏塔回流比，保持流量稳定。
In many cases, a rectifying column with reflux is used to improve the performance of the batch still.
在许多情况下，用带有回流的精馏塔以改善间歇釜的分离性能。
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