There maybe has oxide of copper in the surface of nano copper catalyst particles.
在纳米螺旋碳纤维中的催化剂颗粒表层，可能有铜的氧化物存在。
Treatment of acidic black dye wastewater by multi-phase catalytic oxidation over copper catalyst was studied.
以酸性黑染料废水为处理对象，对多相催化氧化处理工艺中的铜系催化剂进行研究。
The kinetics of acrylonitrile hydration to produce acrylamide was studied under the colloidal copper catalyst.
研究了以胶体铜为催化剂，丙烯腈水合制丙烯酰胺反应动力学。
A highly active copper catalyst for synthesis of o - (p -) toluidine via vapor-phase catalytic hydrogenation was prepared.
介绍了所制备的高活性铜催化剂用于气相催化加氢还原制备邻(对)甲苯胺的研究。
The invention belongs to the technical field of catalysis, in particular to a passivation method of a methanol copper catalyst.
本发明属于催化技术领域，具体涉及一种甲醇铜催化剂的钝化方法。
Rare earths were introduced into mono-copper catalyst to improve the performance of hydrogenation catalyst for aromatic nitro-compounds.
为提高芳香族硝基化合物氢化催化剂的性能，在单铜催化剂中引入稀土元素。
The nitrogen Deoxo Vessel contains a fixed bed of free copper catalyst which removes oxygen from the nitrogen stream by oxidation of copper to copper oxides.
氮气脱氧罐中装有一个游离铜催化剂的固定床，通过将铜氧化成氧化铜把氧气从氮气中脱除。
Cuprous oxide and zinc oxide can be recovered from waste copper catalyst by a wet process. The principle and the optimum conditions of the process have been studied.
研究了以湿法回收利用废铜催化剂中的铜、锌制取氧化亚铜和氧化锌的原理以及最佳工艺条件。
The process for the direct synthesis of trialkoxysilane by reacting silicon metal with an alcohol over a copper catalyst is simple, handle easily, have no environmental pollution.
而直接法是在铜催化剂及高沸点有机介质作用下，由硅粉与甲醇或乙醇反应得到目的产物。
The formaldehyde can be prepared from methanol in the presence of a metal catalyst such as silver, copper and the like, and can also be separated from the oxidation products of hydrocarbons.
甲醛可由甲醇在银、铜等金属催化下脱氢或氧化制得，也可由烃类氧化产物分出。
Vapour phase hydrogenation of furfural was employed to produce 2 methylfuran through a copper ammonia complex catalyst.
采用负载型铜氨络合物催化剂进行糠醛气相加氢制2 甲基呋喃。
The colloidal copper is a highly active catalyst for the hydration of acrylonitrile to produce acrylamide.
用所得的胶体铜催化丙烯腈水合制备丙烯酰胺具有很高的活性。
Copper methanesulfonate was synthesized and used as a catalyst in the esterification of n-butyric acid with isoamyl alcohol.
合成了甲烷磺酸铜，研究了其催化丁酸与异戊醇的酯化反应。
A simple method for preparing m -cresol from m -toluidine via diazonium salt at room temperature using copper salt as a catalyst is proposed.
提出一种以间甲苯胺为原料，在铜盐催化室温条件下，经重氮盐制备间甲苯酚的简单方法。
The special characters of copper colloidal catalyst is the high selectivity in the reaction of hydration of acrylonitrile to acrylamide.
胶体铜催化丙烯腈水合制备丙烯酰胺反应的突出催化特征是高选择性。
Superfine copper powders can be used as the electronically conductive adhesives, ceramic materials and catalyst, and have shown a good application prospect instead of silver with copper in industry.
超细铜粉在以铜代银并在电子浆料、陶瓷材料和化工催化剂等材料的制备中具有较好的应用前景。
Cobalt salt was employed as catalyst precursors, copper plate as substrate and ethanol as carbon source.
采用乙醇催化燃烧法，以钴盐作为催化剂先体、薄铜片作为基底制备碳纳米管。
The crystal copper and distorted zinc oxide lattice of reduced low-pressure synthetic catalyst of methanol are studied with XRD.
利用x射线衍射法对铜—锌和铜—锌—铝系低压合成甲醇催化剂还原态的结晶铜和氧化锌晶格畸变进行测定。
This article introduces the hyperthermic reduction process of alcohol-copper hase catalyst, besides, it points out the items for attention during hyperthermic reduction.
介绍了联醇铜基催化剂升温还原的方法以及升温还原过程中应注意的事项。
Useage:Oxygenate , catalyst, analytical reagent. It is widely used in the manufacturing of special copper, glass, ceramics, enamel, and dry battery light.
用途：氧化剂、催化剂、分析试剂。广泛用于特种铜、玻璃、陶瓷、搪瓷和干电池灯制造。
The catalyst systems, such as copper system and noble metal system, for hydrogen production by methanol steam reforming are especially discussed.
重点讨论了甲醇水蒸气重整制氢催化剂体系：铜系催化剂和贵金属系催化剂。
The effects of the feed ratio of raw materials, reaction temperature and the dosage of catalyst, etc factors on the new synthesis process of brominated epoxy resin for copper clad panel were studied.
研究了原料配比、反应温度、催化剂等因素对覆铜板专用溴化环氧树脂合成新工艺的影响。
This technology USES a new catalyst to make copper oxidized by air in a dilute sulfuric acid solution and thus to prepare industrial cupric sulfate.
该工艺是使用一种新型铜蚀助剂，使紫铜在稀硫酸溶液中迅速被空气氧化而制备工业硫酸铜。
Citral 1, 2-propanediol acetal was synthesized using citral and 1, 2-propanediol as raw materials and copper methanesulfonate as catalyst.
以柠檬醛和1,2 -丙二醇为原料，甲基磺酸铜为催化剂，合成了柠檬醛缩1,2 -丙二醇。
Effect of aluminum content on reduction behaviour of copper based catalyst was also investigated. TPR results at different rate of heating were compared.
另外，考察了铝含量对催化剂还原行为的影响以及在不同升温速率下催化剂tpr的差异。
A novel addition reaction of methyl phenyldiazoacetate to enamine(which was prepared from acetophenone and secondary amine) was investigated using copper salt as a catalyst.
在铜盐催化剂的作用下，重氮苯乙酸甲酯与吗啉衍生的烯胺能够发生一种新型加成反应。
The effects of catalyst preparation and hydrogenation conditions on the activity of copper-chromium oxide catalysts for selective hydrogenation of soybean oil was investigated.
通过铜铬氧化物催化剂用于豆油的选择氢化，研究了制备方法及氢化条件对催化剂活性的影响。
The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.
研究了胶体铜催化丙烯腈水合制丙烯酰胺的高选择性与活性中心结构的关系。
Hydrogenolysis of methyl formate to methanol was the rate-determining process and was mainly catalyzed by nickel-based or copper-based catalyst system.
甲酸甲酯氢解制甲醇这一步骤的难点在于环境友好的低温高活性铜基催化剂的研制。
The catalyst system consists of solid strong acid ion exchange resin, organic solvent and copper powder in certain proportion, and the reacted catalyst system may be recovered for reuse.
该催化系统由固体强酸离子交换树脂、有机溶剂和铜粉以一定比例组成，该催化系统在反应后可再回收循环利用。
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