甲醇催化脱水可得二甲醚。
Dirmethyl ether (DME) Can be synthesized by catalytic dehydration of methanol.
以单质碘为催化剂直接由苄醇催化脱水生产苄醚。
Synthesized of benzyl oxide was using iodine catalyst dehydration for benzyl alcohol.
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。
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.
研究了不同碱对柠檬肟的催化脱水效果及不同PTC的催化作用效果,并用正交实验设计法确定了使用KOH- TBAB催化脱水法合成柠檬腈的最佳反应条件。
The catalytic dehydration of lemonile with various alkalis and PTC was studied. The optimal conditions dehydration to lemonile for KOH TBAB catalytic by orthogonal design were determined.
离子交换纤维是一种纤维状离子交换材料,其功能包括离子交换、吸附、脱水、催化、脱色等。
Ion exchange fiber is a kind of material whose function covers ion exchange, absorption, dehydration, catalysis and decoloration.
报道了钨锗酸对醇脱水成醚或成烯的催化反应。
Tungstogermanic acid as a catalyst for dehydration of alcohol to form ether or alkene is reported.
重点研究了交叉缩合及副反应的控制、中间产物脱水及催化加氢的有关参数。
Especially it introduces the parameter of the cross aldol condensation and side-reaction controlling, the midterm products separation, and catalyzed hydrogenation.
以分子筛类催化剂对低浓度乙醇脱水制生物乙烯进行了研究。
The processing conditions of preparing bio-ethylene with molecular sieve catalyst from ethanol as material were studied.
考察了大孔强酸性树脂对1,4 丁二醇脱水制四氢呋喃的催化作用。
The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.
利用正交实验考察了反应温度、反应时间、催化剂用量对脱水反应的影响。
Effects of reaction temperature, reaction time, quantity of catalyst on the dehydration reaction have been explored by orthogonal experiments.
利用酯化反应基本原理,以丙三醇和醋酸在催化剂的作用下进行酯化反应,经脱水、减压精馏得甘油三醋酸酯产品。
Using glycerine and acetic acid as raw materials and in the presence of catalyst, glycerin triacetate was synthesized through esterification, dehydration and underpressrue distillation.
利用正交实验考察了反应温度、反应时间、催化剂用量、真空度对脱水反应的影响。
Effects of reaction temperature, reaction time, quantity of catalyst, vacuum tightness on the dehydration reaction have been explored by orthogonal experiments.
对以磷钨酸为催化剂环己醇脱水制备环己烯的反应进行了研究。
The research on the dehydration of cyclohexanol to prepare cyclohexene using phosphotungstic acid as catalyst is made.
用对甲基苯磺酸为催化剂,对环己醇脱水制备环己烯反应进行了研究。
Synthetic of cyclohexene by dehydration of cyclohexanol on the catalyst ofp-Tolenesulfonic acid is studied.
采用金属钙、脱水液氨、载体纳米二氧化硅及改性剂乙腈与环氧丙烷制备出氨钙体系催化剂。
Calcium ammine catalyst was prepared with metal calcium, dehydrated liquid ammonia as raw materials, nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.
考察了若干种酸性催化剂对蓖麻油脱水的影响。
Effects of several kinds of acidic catalysts on castor oil dehydration have been explored.
研究了催化剂用量等因素对缩合的影响,考察了脱水、催化加氢的条件。
The amount of catalysts and other factors in condensation were investigated. The conditions on dehydration and hydrogenation were also investigated.
研究了一种改进的脱水方式对费托(F-T)合成铁基催化剂结构性质与催化性能的影响。
The effects of an improved dehydration way on structural properties and Fischer-Tropsch(F-T) synthesis performance of an iron-based catalyst were studied.
通过实验发现催化剂、脱水剂、增塑剂以及游离的异氰酸酯含量对密封胶的表干时间有很大的影响。
Through the experiment, it is found that the tack free time is affected greatly by the content of catalyst, dehydrating agent, plasticizer and the free NCO.
选择了合适的原料配比、催化剂、脱水剂用量等反应条件,反应所得到的丙酮酸乙酯收率为82.5%;
Selective suitable conditions such as the ratio of reactions, different catalyst and the addition of dehydrater etc are presented. The result which is the yield of product is 82.5%.
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 trend of catalyst development is set forth according to the problems existing in the ethanol dehydration.
考察了催化剂的用量、油洛温度和反应时间对脱水反应的影响,得出了最佳反应控制条件。
The influences of catalyst amount, reaction temperature and reaction time were investigated, and the conditions for the reaction were optimized.
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.
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。
Synthesis of dimethyl succinate from succinic acid and methanol on cation exchange resin NKC-9 was studied under adsorption dehydration with 3A zeolite adsorbent.
讨论了发泡剂、成炭剂、脱水成炭催化剂、颜填料的选用,及各组分在防火涂料中的作用;
Selection of fireproofing coating components, such as forming agent, carbonforming agent, dehydration and carbonforming catalyst and colourant, were discussed.
该方法包含在催化剂的存在 下使二醇脱水,该催化剂包含负载于载体上的氧化铈。
The process comprises dehydrating a diol in the presence of a catalyst comprising cerium oxide supported on a carrier.
本发明公开了一种乳酸丁酯脱水制备丙烯酸及其丁酯催化剂的组成及制备方法。
The invention discloses a catalyst used for preparing acrylic acid and butyl ester by the dehydration of butyl lactate and a preparation method thereof.
用硫酸锆、硫酸氢钾分别代替浓硫酸,催化环己醇脱水合成了环己烯,主要考察了催化剂用量、分馏反应时间对产物收率的影响。
Cyclohexene was synthesized by dehydration of cyclohexanol using zirconium sulfate or potassium hydro - gen sulfate as catalyst instead of concentrated sulfuric acid.
用硫酸锆、硫酸氢钾分别代替浓硫酸,催化环己醇脱水合成了环己烯,主要考察了催化剂用量、分馏反应时间对产物收率的影响。
Cyclohexene was synthesized by dehydration of cyclohexanol using zirconium sulfate or potassium hydro - gen sulfate as catalyst instead of concentrated sulfuric acid.
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