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来源：百度知道 编辑：UC知道 时间：2024/05/17 22:38:31
Simulation results show the importance of the MeOH/ total C4 feed ratio. If this ratio belongs to the C4-rich side of the MeOH-total C4 pseudobinary azeotrope, most of the MeOH fed will flow upwards from the feed stage, trying to increase its concentration in the column upper stages. Under these feed conditions, MeOH dies out rapidly in the downward direction, reaching only a few stages below the feed position, and unreacted MeOH can be removed from the top of the distillation column despite the fact that it has the lowest pure-component vapor pressure among all components.
Fractionation between MTBE against C5 and C4 hydrocarbons occurs along the stripping section, and a liquid stream of MTBE containing C5 hydrocarbons can be withdrawn from the bottom.
The iC4 conversion to MTBE can be increased by increasing the reflux ratio. This behavior can be linked to the extent in which MTBE (the reaction product) can be confined in the stripping section, whether it had been
Fractionation between MTBE against C5 and C4 hydrocarbons occurs along the stripping section, and a liquid stream of MTBE containing C5 hydrocarbons can be withdrawn from the bottom.
The iC4 conversion to MTBE can be increased by increasing the reflux ratio. This behavior can be linked to the extent in which MTBE (the reaction product) can be confined in the stripping section, whether it had been
模拟结果表明,重要的0.90% /共c4饲料的比例. 如果这个比例是属于那个c4富一方的0.90%总c4 pseudobinary沸, 大部分的0.90%馈将向上从饲料阶段 设法增加其浓度在专栏上阶段. 根据这些条件,饲料, 0.90%去世了迅速向下方向 到达只有几步低于饲料立场 而unreacted 0.90% ,可从高高的蒸馏塔,尽管它有 最低纯组分蒸汽压各部件. 分馏之间对MTBE的碳五和C4烃沿线发生剥离节 以及液体流MTBE的含碳五能撤出底部. 该付转为mtbe可以如增加回流比. 这个行为可以联系到何种程度,其中甲基叔丁基醚(产物)可以密闭在剥 科,是否已提供了饲料专栏或制作的合成反应. 分馏MTBE的反对更多挥发性化学成分溶出节好转,增加r , 臭氧MTBE的浓度在反应区的一个微小修改的ic4/meoh比例及倾斜的伟 换算的对应关系. 当r逐渐增大,超过一定值取决于操作条件 该付的转换,只能稍微提高了,回流的比例. 有固定的MTBE的纯度在塔底流 该比率reboil营运所需的一栏对应于选定的回流比. 在这些条件下, 依赖的丁烷转化为甲基叔丁基醚的reboil比例如下相同的趋势,因为它依赖 回流比. 警告应当就试图提高MTBE的纯度在底部流超过某一 价值取决于经营条件,增加了reboil比例固定比例回流. 一种情况是可以达成当MTBE的浓度在反应阶段值达到足够大的消耗 丁烷转化为甲基叔丁基醚.