贵金属催化剂
- 网络Noble metal catalyst;precious metal catalyst;Pt-Pd
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贵金属催化剂已广泛应用于工业化,而其它催化剂一直是该领域研究的热点,尤其是纳米材料的出现为该领域增添了不少新的活力。
Among all these catalysts , the precious metal catalyst has been widely used in the industry , and others are always the research hot spot , especially the appearance of nano-meter technology , which has added much vitality to this field .
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最后介绍CO激光器选用的贵金属催化剂。
Finally , the noble metal catalyst selected for CO laser is introduced .
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C5/C6在分子筛基贵金属催化剂上加氢异构化性能
Hydroisomerization of c_5 / c_6 alkanes over zeolite-supported noble metal catalysts
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非贵金属催化剂上CO选择性氧化反应的研究
Selective Carbon Monoxide Oxidation in Hydrogen-rich Gas over Non-noble Metal Catalysts
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本文通过H2在贵金属催化剂上低温选择性还原NO的反应过程及热力学分析,开展了H2选择性还原NO的产物分布和机理的研究。
The process and the thermodynamics of NO reduction by H_2 are studied .
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CO吸附微量量热法研究γ-Al2O3负载贵金属催化剂
Microcalorimetric studies of CO adsorption on γ Al 2O 3 supported precious metal catalysts
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原位红外光谱法研究Pd基贵金属催化剂上烯烃与芳烃加氢反应
In Situ FT-IR Study on Hydrogenation of Olefin and Aromatic on Pd-based Metal Catalysts
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负载型贵金属催化剂Pd(Pt)/A12O3的硫中毒机理
Mechanism of sulfur poisoning on supported noble metal catalyst pd ( pt ) / al_2o_3
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所研制的直接甲醇燃料电池的催化电极贵金属催化剂的利用率提高,甲醇氧化过程催化剂CO中毒问题能够基本消除。
Such a fabricated DMFC is characterized with a high utilization of noble metals and basically eliminating CO poisoning in operation .
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Pt系和Ag系贵金属催化剂在现代工业中具有广泛的应用前景。
The precious metals , Pt , Ag and their alloys , have been widely used as catalysts in modern industry .
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蜂窝状微量贵金属催化剂对几种典型VOCs的催化氧化性能
Performance of honeycomb catalyst containing micro-noble mental on catalytic oxidation of several typical VOCs
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与贵金属催化剂相比,Ni基催化剂具有低成本、高活性的优点,在该反应中具有工业应用前景,但是该催化剂存在容易积碳的缺点。
Compared with noble metal catalysts , the Ni-based catalysts have excellent prospects of industrial application for its good catalytic activity in POM and lower cost .
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研制应用于正戊烷异构化的非贵金属催化剂Mo-Ni0/HM。
A non-noble metal Mo-Ni / HM catalyst for the isomerization of n-pentane has been prepared by the method comprising ion-exchanging .
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制备了负载型高分散的纳米贵金属催化剂和含Ru的双金属催化剂,并考察了催化剂对吡啶及其衍生物加氢反应的催化性能。
The highly dispersed supported noble metal catalysts were prepared and their catalytic performance for hydrogenation of pyridine was investigated .
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研究了采用非贵金属催化剂进行C5/C6异构化的工艺,并考察了温度、压力、空速、氢/油比及原料中杂质对异构化反应的影响。
The C_5 / C_6 isomerization process with non-noble metal catalyst and the effects of temperature . pressure , space velocity , hydrogen / oil ratio and impurities in feed - stock on the operation are studied .
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NiO/SnO2ZrO2是一种优良的甲烷燃烧非贵金属催化剂,它具有高活性及稳定性,完全燃烧温度低于700℃,且燃烧过程中无CO产生;
NiO / SnO 2-ZrO 2 is found to be one of good catalysts for methane combustion . It has high activity and stability . Full conversion temperation is lower than 700 ?
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贵金属催化剂有很好的加氢脱硫活性,但HDN活性较低。
Noble metal catalyst has good HDS activity , but low HDN activity .
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主要研究了非贵金属催化剂铜锰复合氧化物(以CuMn2O4尖晶石为主相,并伴有铜、锰氧化物)对汽车尾气主要成分CO、NOx的净化效果。
Cu-Mn compound oxides ( CuMn_2O_4 as a major phase ) had activities for the abatement of harmful substances ( CO , NO_x and hydrocarbons ) in the automobile exhaust .
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贵金属催化剂在深度加氢脱硫(HDS)工艺的二段反应器中被广泛使用,具有良好的脱硫效果。
Noble metal catalysts are widely used on two-stage hydrodesulfurization ( HDS ) process because of their predominant activities .
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综述了应用于甲醇裂解反应的非贵金属催化剂,如Cu、Ni等,包括它们的催化活性、选择性、稳定性,并对部分催化剂的制备方法、产物分析、反应动力学以及催化机理进行了概述。
In this article , base metal catalysts used in the reaction , e.g. Cu , Ni , including their preparation method , product analysis , catalytic activity / selectivity , reaction dynamics and mechanism are reviewed .
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通过在不同比例纳米ZnO和纳米SnO2混合烧结粉体中掺杂贵金属催化剂的方法,研制了对低浓度酒精蒸气具有高灵敏度的酒敏元件。
Through adulterating the sinter powder mixture of nanometer ZnO and SnO_2 , with the noble metal catalyzer , we developed alcohol sensor to low concentration alcohol with high sensitivity .
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用AH型非贵金属催化剂催化松香歧化反应,考察了搅拌速率、催化剂粒度、反应温度、反应时间对反应的影响,建立了动力学方程。
The reaction of disproportionation of gum rosin catalyzed by AH non-noble metal catalyst was studied , and the effects of reaction temperature , reaction time , particle size of catalyst , and stir speed were investigated .
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铈锆比对贵金属催化剂Pt/CeO2-ZrO2性能的影响
Effect of Ce / Zr Ratio on the Performance of Pt / CeO_2-ZrO_2 Catalyst
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在实验室小试和中试实验温和条件下催化还原脱除NOx研究的基础之上,对制备的贵金属催化剂在上海宝钢生产协力公司二氧化碳生产厂进行了工业放大催化还原脱除NOx的实验研究。
The industrial experimental research on catalytic removal of NO X with a noble catalyst has been carried out at the factory of cabon dioxide of Production Cooperation Company of Shanghai Baogang based on the laboratory experimental research .
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为使合成步骤高效、快捷,我们采用直接C-H键活化反应来构筑此类化合物,并且使用格氏试剂作为新型的couplingpartner,同时我们放弃了贵金属催化剂,转而采用便宜、易得的镍作为催化剂。
To make the synthetic sequence efficient and rapid , we use direct C-H bond activation method to construct this kind of compounds . We use Grignard reagent as the coupling partner , and nickel as catalyst to instead of precious metals .
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近年来,非贵金属催化剂因其低成本和高催化活性等优点被广泛研究用于挥发性有机物(VOCs)的净化处理,铜锰复合氧化物催化剂属于其中的典型代表。
Because of the lower cost and analogous higher catalytic activity , the non-noble metal catalysts have been well studied , for volatile organic compounds ( VOCs ) purification in recent years . The Cu-Mn Complex Oxides catalysts are key representatives among them .
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采用逐步柠檬酸络合法制备了一系列成型贵金属催化剂,并对它们进行了H2-TPR表征。
Another series of noble metal Pd-based catalysts were prepared by the citric acid complexation and wetness impregnation method step by step . The catalysts were characterized by using H2-TPR technique .
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正庚烷加氢反应作为FT油异构、裂解反应的模型反应,用此反应来选择性控制异对分子筛负载贵金属催化剂上正庚烷加氢异构的研究构化反应和裂解反应。
Consequently , the octane number of the gasoline will be increased at the same time . As a model reaction of the isomerization reactions and the cracking reactions of the FT oil , the n-C7H | 6 hydrogenation reaction is used to selectively control such kind of reactions .
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贵金属催化剂对氧化镍气敏特性的影响
Effects of noble metal catalysts on gas sensing properties of NiO
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完全不使用贵金属催化剂的聚合物电解质燃料电池
Alkaline Polymer Electrolyte Fuel Cells Completely Free from Noble Metal Catalysts