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1)  conbined water
化合水
2)  to hydrate
水合,水化
3)  hydration etherification
水合醚化
1.
Propene hydration etherification reaction catalyzed by β zeolite was studied by using in situ FT IR technique, and the effects of surface acidity on the reaction were discussed.
采用原位红外光谱技术 ,对 β沸石催化剂上的丙烯水合醚化反应过程进行了研究 ,并结合催化剂的表面酸性进行了讨论 。
2.
Propene hydration etherification and isopropanol dehydration reactions catalyzed by β zeolite were investigated using microreactor equipped with GC MS.
在与色 质联用仪相连的微反装置上 ,考察了Hβ沸石及改性的Hβ沸石催化剂上丙烯水合醚化及异丙醇脱水的反应行为 。
3.
βzeolite shows high catalytic activity for hydration etherification of propene, but its stability needs to be improved.
采用该方法改性的催化剂 ,对丙烯水合醚化反应连续运转 72 0h ,丙烯转化率由 5 6 6 %仅降为 5 2 % ,表明催化剂稳定性得到明显改
4)  catalytic hydration
催化水合
1.
Research progress on the catalyst for preparation of EG by EO catalytic hydration
环氧乙烷催化水合制乙二醇催化剂研究进展
2.
The traditional technology for manufacturing ethylene glycol at home and abroad was reviewed, including direct hydration and catalytic hydration of ethylene oxide.
对国内外乙二醇合成的传统工艺:直接水合法、催化水合法和碳酸乙烯酯法进行了介绍;对乙二醇合成的新工艺,包括乙二醇和碳酸二甲酯联产法和C1化学法的工艺流程和发展前景进行了综述,其中,C1化学法主要分为乙烯合成法、合成气合成法和甲醛、甲醇合成法。
3.
Latest advances in preparation of ethylene glycol(EG) were reviewed,including preparation of EG via catalytic hydration from ethylene oxide(EO) and ethylene carbonate(EC),as well as via syngas.
综述了由环氧乙烷制乙二醇、环氧乙烷经碳酸乙烯酯制乙二醇、环氧乙烷催化水合制乙二醇及以合成气制乙二醇研究进展。
5)  Catalytic hydrolysis
催化水合
1.
Catalytic hydrolysis of EO on an anionic exchange resin catalysts for the production of EG and the process conditions were studied.
非催化水合生产乙二醇工艺具有能耗大、成本高的缺点。
2.
Non-catalytic hydrolysis of ethylene oxide is the production process of commercial scale ethylene glycol(MEG),but the process has defects of low selectivity,long flow,high energy consumption,and so on.
环氧乙烷非催化水合法是目前工业规模生产乙二醇的方法,但此工艺存在选择性偏低、流程长、能耗大等缺点,而采用环氧乙烷直接催化水合技术则可大大降低能耗,提高乙二醇的选择性。
6)  hydration activation
水合活化
1.
This paper studies the effect of a device s techniques characteristic on desulfurization efficiency through the establishment of a hydration activation desulfurization device.
通过建立水合活化固硫试验装置,研究装置的工艺特性对装置脱硫率的影响规律。
补充资料:化合水
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性质:又称结合水。以OH-、H+或H3O+等形式存在于化合物或矿物中的水。例如滑石Mg3(Si4O10)(OH)2、水云母(KH3O)Al2(OH)2(AlSi3O10)等。化合水在结构中占有一定的位置,须加热至相当高的温度才能使其脱失,并伴随有因结构变化或破坏所引起的放热效应。土壤中的化合水是束缚水的一种。不能直接参加所进行的物理作用,也不能被植物吸收作用。

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