The heterogeneous catalyst first attracts the salt to its surface and holds it there.
多相催化剂先将盐吸附在它的表面并使它固定在那里。
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。
IR characterization showed that there was traced sulfate formed on surface of the catalyst after its activity was inhibited.
运用红外表征手段对活性抑制后的催化剂表面进行研究,发现有微量的硫酸盐生成。
The manner of dipping acid effects on catalysts surface then cause different catalyst performance.
不同的浸酸方式影响催化剂表面态,进而导致催化性能不同。
It was also found that the state of monolayer dispersion of zinc acetate on the surface of active carbon is destroyed in the discarded zine ace - tate-active carbon catalyst.
但即将废弃的醋酸锌-活性炭催化剂上,醋酸锌的单层分散情况受到破坏,出现了醋酸锌晶相峰。
The surface acidity or basicity of six-component transition metal catalyst was studied.
六组分过渡金属氧化物催化剂的表面酸碱性测定。
The coke deposited due to thiophene impenetrated into all the pores and some of them could form mechanical pore on catalyst surface.
含噻吩原料加氢裂化生成的积炭,存在于不同孔径的孔中,在催化剂表面形成少量机械孔。
A new type of catalytic distillation column has been developed by means of surface modification and catalyst combination to sintered metal porous materials.
采用特定的方法对金属烧结多孔材料进行表面改性和催化剂复合,开发出一种新型的催化蒸馏构件。
Useful information provided by steady state flow method can also be obtained from dynamic experiment as the concentration of the absorbed species on the catalyst surface changes with time.
在动态过程中,催化剂表面上的吸附物种浓度随时间而变化,从而可以获得稳态流动法所不能提供的信息。
Surface area and pore structure of the catalyst were determined by elution chromatographic method on model ST-03 analyzer.
用ST - 03型比表面、孔径分布测定仪研究了催化剂的孔结构。
It corroborates that carbon dioxide can remain the active state of catalyst surface and speed the rates of methanol decomposition and methanol synthesis reactions.
认为二氧化碳的存在能保持催化剂表面的活性状态,促进甲醇分解与合成的速率。
The multifractal growth process of the SEM images of catalyst surface is studied using fractal and multifractal theory.
本文讨论了催化剂表面SEM图象关于多重分形生长过程的分形和多重分形特性分析。
Nanometer catalyst material had peculiar crystallographic structure and surface property, thus its catalytic activity and selectivity were too much greater than these of traditional catalyst.
由于纳米材料催化剂具有独特的晶体结构及表面特性,因而其催化活性和选择性大大高于传统催化剂。
The result showed that the procedure of acrylonitrile Synthesize via propane ammoxidation was the surface reaction of propane on the catalyst.
丙烷氨氧化制丙烯腈过程的控制步骤是丙烷在催化剂上的表面反应。
IR pattern indicated that Lewis acid centers mainly exist on the catalyst surface.
红外光谱测试结果表明,催化剂表面主要存在L酸中心。
WC catalyst was prepared by temperature-programmed reduction and was oxygen-modified on surface to do line evaluation.
采用程序升温还原法制备了WC催化剂,在做了表面氧修饰后对其进行了原位评价。
The characterization of FTIR demonstrates that the acetic acid species is adsorbed in the catalyst surface after reaction, especially the reaction with water.
FTIR表征表明反应后的催化剂表面有乙酸物种生成,尤其是在含水进料方式反应后的催化剂表面尤为明显。
The introduced oxygen in the passivated procedure reacts with the catalyst surface to form the thin oxide layer.
而在表面钝化过程中引入的氧则在催化剂表面形成氧化薄层。
This paper reviewed several common surface analysis techniques on catalyst used in industry.
综述了工业催化剂表征中常用到的几种表面分析技术。
The results showed that adhesion of higher polymers formed during the hydrogenation process onto surface of the catalyst was the main cause for deactivation of the catalyst.
结果表明,催化剂失活的主要原因是糠醛加氢过程中生成的高聚物附着在催化剂的活性表面。
The effect of the pore volume and surface area of hydrotreating catalyst on its activity was studied.
考察了加氢精制催化剂的孔容和比表面对其活性的影响。
The high purity, high surface area, large pore volume and proper pore structure of active carbon as a support for ruthenium catalyst usually lead to high catalytic activity for ammonia synthesis.
具有高纯度、高比表面、大孔容及合理孔分布的活性炭载体有利于活性组分有效均匀的分散,制备出高活性的氨合成钌催化剂。
The fluidization of catalyst in the reformer had a role of avoiding the blockage of reformer, promoting the catalyst reduction and suppressing the carbon deposition on the surface of catalyst.
生物质气化粗燃气流态化重整,避免了燃气中颗粒物对重整器的堵塞,促进了催化剂的还原,并抑制了催化剂的表面积碳。
This review provides many kinds of adsorbed ozone forms on the catalyst surface and the kinetics and mechanism of ozone decomposition reaction.
本文介绍了催化分解臭氧过程中,臭氧在催化剂表面的吸附形态,及各种条件下的反应下臭氧催化分解的动力学和机理。
The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.
同时分析了孔隙率和催化剂表面积对催化剂层性能的影响。
Various complex unsteady states were observed by the comparison of the catalyst surface temperature oscillations with the CO_2 concentration oscillations in products.
通过对比催化剂表面的温度振荡和产物中CO_2的浓度振荡观察到各种复杂的非稳态过程,加深了对产生化学振荡的机理认识。
Micro-channel device, protected alloy surface in catalyst, alumina supported catalyst, catalyst intermediate, and method for forming catalyst and micro-channel device.
微通道装置和催化剂中受保护的合金表面,氧化铝负载的催化剂,催化剂中间体,形成催化剂和微通道装置的方法。
The deactivation of the catalyst of furfural decarbonylation is mainly due to carbon deposition attached to the catalyst surface, it leads to the active site embedded, so the catalyst losed activity.
糠醛脱羰催化剂失活的主要原因是大量积碳附着于催化剂表面使活性中心被包埋从而使催化剂失去活性。
Catalyst activity was determined by not only specific surface area of catalyst but also the distributions of active center and utilization ratio of internal surface.
催化剂活性不仅与比表面有关,还与其活性中心分布情况、内表面利用率有关。
It was demonstrated that both the lattice oxygen mobility and Surface basicity affected the performance of the catalyst.
结果表明,催化剂的碱性,氧扩散速率等对催化剂的活性均有影响。
应用推荐