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。
2
This paper proposed and studied a new operation-the cascaded total reflux batch distillation.
本文提出并研究了一种新型的间歇精馏操作过程——全回流间歇精馏串联操作。
3
The article developed a new type of steam distillation and reflux apparatus. This apparatus can finish the operations of steam distillation, reflux and watershed. The results were good.