吡啶吸附红外光谱结果显示负载样品同时具有B酸和L酸中心,异丙醇脱水催化反应发生在B酸位上。
IR results of pyridine adsorption reveal that supported samples have both Bronsted and Lewis acid centers, and 2-propanol dehydration is a Bronsted acid catalysed reaction.
对于共沸隔壁塔的研究,本文采取了与萃取隔壁塔相同的研究方法和步骤,所采用的案例为异丙醇脱水。
As for the study of ADWC, the same research methods as those of EDWC are introduced and the case assessed in this paper is isopropanol dehydration.
不同载体与HPA之间的作用不尽相同,其结果直接影响异丙醇气相脱水反应的活性及产物的选择性。
The actions of HPAs with supporters were not the same, and they directly affect the activity and selectivity of dehydration of isopropanol in vapor phase.
采用氢化钙作为脱水剂,以硼酐及异丙醇为原料合成了硼酸三异丙酯,该方法具有成本低、操作简便、条件温和、产率高的优点。
Triisopropyl borate was synthesized with high yield from 2 propanol and boron oxide by using calcium hydride as drying agent to remove resultant water.
采用氢化钙作为脱水剂,以硼酐及异丙醇为原料合成了硼酸三异丙酯,该方法具有成本低、操作简便、条件温和、产率高的优点。
Triisopropyl borate was synthesized with high yield from 2 propanol and boron oxide by using calcium hydride as drying agent to remove resultant water.
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