Recovering pyridine by simpledistillation and phase separation with salt was studied.
研究了普通精馏与加盐分相技术在回收吡啶中的应用。
2
Output of styrene monomer was 82.3 % . Purity was 99.9 % , obtained by simpledistillation.
粗产物经简单蒸馏,苯乙烯的总回收率为82.3%,苯乙烯纯度可达99.9%。
3
Crude product by simpledistillation, styrene recovery was 89.41% of total styrene monomer purity of 99.9%, and catalyst recycling, the effect is better.