Quantum chemistry method is used to study the reactivity of the methanol dehydration.
用量子化学方法，研究甲醇脱水的反应性。
The catalyst is prepared by forming the methanol dehydration catalyst layer around the methanol synthesis catalyst.
催化剂是通过在甲醇合成催化剂颗粒的周围形成甲醇脱水用催化剂层而制成。
Global kinetics of methanol dehydration to dimethyl ether by gas phase method were studied under atmospheric pressure and power type kinetic equation was obtained.
研究了常压下甲醇气相法脱水生成二甲醚的宏观动力学，得到幂函数型动力学方程。
Dirmethyl ether (DME) Can be synthesized by catalytic dehydration of methanol.
甲醇催化脱水可得二甲醚。
Additionally, CPA equation was used to simulate the dehydration process of natural gas with chilled methanol distillation and provide reference data for the design of process.
并把CPA方程应用于汽提冷甲醇天然气脱水工艺的模拟计算，为工艺设计提供了必要的参考数据。
High purity methanol is one of the very important solvents for chemical industry and microelectronic industry. Dehydration is the key process in the purification of industrial methanol.
高纯甲醇是一种大量应用于化学及微电子工业领域中的重要溶剂，脱水是工业甲醇纯化精制过程中的一个关键问题。
The catalyst used in the invention is comprised of a methanol synthesis catalyst and dehydration catalyst layers formed around methanol catalyst particles.
本发明所用催化剂是由甲醇合成催化剂和在甲醇催化剂颗粒周围形成的脱水催化剂层组成。
The process conditions for producing high purity DME of aerosol grade by catalytic dehydration of methanol in gas phase were studied and tested by using alumina as a catalyst.
以甲醇为原料，氧化铝为催化剂，对甲醇气相催化脱水制气雾剂级高纯二甲醚的工艺条件进行了试验研究。
Synthesis of dimethyl succinate from succinic acid and methanol on cation exchange resin NKC-9 was studied under adsorption dehydration with 3A zeolite adsorbent.
以阳离子交换树脂NKC-9固体酸为催化剂、丁二酸和甲醇为原料，采用分子筛吸附脱水技术合成丁二酸二甲酯。
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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