全回流(total reflux)，一般特指精馏过程的一种操作状态。
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。
The chlorination of pivaloyl chloride to prepared 3-chloropivaloyl chloride was took place in a packed distillation column with total reflux.
一般安全阀全回流时间不得超过三分钟。
General relief valve total reflux time shall not exceed 3 minutes.
吐哈油田甲醇厂甲醇精馏装置系两塔精馏，采用全回流操作。
The methanol rectification unit used in Tuha Oilfield Methanol Factory includes two rectification towers adopting total reflux operation.
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