2) catalytic dehydration
催化脱水
1.
The catalytic dehydration of ethanol to ethylene on a γ-Al2O3 catalyst in a fixed bed reactor has been studied.
考察了低浓度乙醇在固定床管式反应器中活性氧化铝上催化脱水生成乙烯的反应行为。
2.
Lemonile was obtained by the catalytic dehydration of citraloxime under KOH-Al 2O 3 carrier -base.
从柠檬醛与盐酸羟胺反应制备柠檬肟，后者在１１０～１１２℃温度下经ＫＯＨ－Ａｌ２Ｏ３催化脱水生成柠檬腈，柠檬腈的合成产率为６８％。
3.
Catalytic dehydration in the condensation of acetone-mannitol is investigated with several cation-exchanging resins of strong acid type as the catalysts.
探讨了若干种强酸性阳离子交换树脂在丙酮与甘露醇缩合反应中的催化脱水作用;根据反应原理,从结构上分析了催化剂对不同缩合产物的影响;初步讨论了反应温度及催化剂用量对催化效果的影响。
3) 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。
4) Catalytic hydrolysis
催化水解
1.
Under the apropriate temperature and sufficient residence time, the waste gas containing various concentration phosgene can be effectively treated by catalytic hydrolysis process, realizing meeting the national emission standards.
在合适的温度和足够的停留时间条件下，不同浓度的光气尾气经催化水解处理后均可达到国家排放标
2.
The catalytic hydrolysis of the mixture of benzalchloride and benzylchloride was studied,ben- zalchloride to form benzaldehyde in95%～ 1 0 0 % yield,but the benzylchloride not to react.
研究了苄叉二氯和氯化苄混合物的催化水解反应 ,苄叉二氯水解 95% ,而氯化苄不发生化学反应。
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) aqueous catalysis
水相催化
补充资料：催化脱水
分子式：
CAS号：
性质：在催化剂作用下，含氧的反应物在分子内或分子间脱去水分子生成新化合物的反应。如2-苯乙醇在A12O3上脱水为苯乙烯。低级或高级醇在沸石上脱水为烯烃或醚，有机酸与氨在H3PO4/硅藻土上脱水为腈，丁二醇在沸石上脱水为丁内酯，醇与氨在A12O3/SiO2上脱水为胺等。
CAS号：
性质：在催化剂作用下，含氧的反应物在分子内或分子间脱去水分子生成新化合物的反应。如2-苯乙醇在A12O3上脱水为苯乙烯。低级或高级醇在沸石上脱水为烯烃或醚，有机酸与氨在H3PO4/硅藻土上脱水为腈，丁二醇在沸石上脱水为丁内酯，醇与氨在A12O3/SiO2上脱水为胺等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条