The results showed that the purity of 6 chloro 2 nitrotoluene was over 96% by two tower distillation.
实验结果表明，通过双塔精馏，可获得纯度大于96%的6 氯2 硝基甲苯目标产品。
Existing methanol 4-tower distillation process mainly includes pre-distillation column, pressurize distillation column, normal pressure distillation column and recovery column.
现有的甲醇四塔精馏工艺流程主要包括预精馏塔、加压精馏塔、常压精馏塔以及回收塔。
This method is also applicable for ethanol distillation tower calculation.
此方法适合酒精蒸馏塔的计算。
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