Reaction is carried out under a fractionating column that allows aldehyde to pass but returns alcohol to the reaction vessel .
反应是在装有分馏柱的反应器中进行的，分馏柱能让醛通过但使醇回流到反应器中。
Phenomena of salt coagulation in catalytic fractionating column were expounded and the reason of salt coagulation was analyzed.
阐述了延迟焦化装置焦化分馏塔塔顶结盐的现象，并分析了结盐的原因，提出了一些处理方案和相应的预防措施。
The paper expounded phenomena and harm of salt coagulation in catalytic fractionating column and the reason of salt coagulation was analyzed.
阐述了延迟焦化装置焦化分馏塔塔顶结盐的现象，并分析了结盐的原因，提出了一些处理方案和相应的预防措施。
The problem that salt accumulating on the top of fractionating column is solved by water-washing on line with good result.
介绍了大连石化公司三催化装置分馏塔结盐情况，对结盐现象进行了分析，通过采取在线水洗措施解决了塔顶结盐问题，取得了好的效果。
Reboiler of fractionating column is an important type of heat exchangers in the refinery industry, chemical industry, light industry and so on.
精馏塔再沸器是炼油、化工、轻工等行业中非常重要的换热设备，这种再沸器的优化和传热强化对热能的优化利用具有重要意义。
Reboiler of fractionating column is an important type of heat exchangers in the refinery industry, chemical industry, light industry and so on.
精馏塔再沸器是炼油、化工、轻工等行业中非常重要的换热设备，这种再沸器的优化和传热强化对热能的优化利用具有重要意义。
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