The trend of catalyst development is set forth according to the problems existing in the ethanol dehydration.
针对乙醇脱水制乙烯催化剂存在的问题，提出当前催化剂的发展趋势。
The adsorption capability of cassava meal for gaseous phase selective adsorption for ethanol dehydration was investigated via a bench-test fixed-bed adsorber at constant temperature.
使用恒温固定吸附床对乙醇蒸汽脱水的木薯粉吸附剂的气相选择吸附性能进行研究。
The results show that the PIC membranes possess highly selective properties and flux of the dehydration for aqueous ethanol solution mixture under pervaporation conditions.
实验结果表明，该复合膜对乙醇-水溶液具有很高的渗透汽化脱水的选择分离性能和渗透通量。
The recovered ethanol with less than 10% methanol can be purified in a dehydration tower and a separation tower with 40 theoretical plates and a reflux ratio of 15.
环合废液脱水后，分离塔回流比为15，理论板为40时，回收乙醇中甲醇的质量分数小于10%。
The recovered ethanol with less than 10% methanol can be purified in a dehydration tower and a separation tower with 40 theoretical plates and a reflux ratio of 15.
环合废液脱水后，分离塔回流比为15，理论板为40时，回收乙醇中甲醇的质量分数小于10%。
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