溶液态钴锰溴化物复合催化剂使用方便且制造成本较低。
But cobalt and manganese bromide catalyst solution is more convenient for industrial application and its manufacturing cost is lower than others.
复合催化剂的失活主要是由于甲醇合成催化剂的失活造成的。
Therefore, deactivation of hybrid catalyst was mainly caused by the deactivation of the methanol synthesis catalyst.
本发明属于催化剂领域,公开了一种稀土纳米复合催化剂及其制备方法和应用。
The invention belongs to the field of catalysts, and discloses a rare earth nano-composite catalyst, a preparation method and application thereof.
实验结果表明,新制备的复合催化剂氧化活性显著提高,并有效地抑制铜的溶出。
The result for treatment of NH 3-N wastewater by catalyst wet oxidation showed that the co-catalyst has higher activity and the good inhibition for copper dissolution.
研究者称碳铁钴复合催化剂能完全将氢气与氧气转化成为水,而不是产生大量双氧水的副产物。
The researchers say the carbon-iron-cobalt catalyst completed the conversion of hydrogen and oxygen into water, rather than producing large amounts of hydrogen peroxide.
为了解决这个问题,可以用无定形裂化组分对沸石进行改性而制成一种复合催化剂。
To overcome this problem, the zeolite can be modified with amorphous cracking component to form a compo - site catalyst.
本发明涉及一种具有高效脱氮性能的复合催化剂及制备方法,属于大气污染控制领域。
The invention relates to a composite catalyst with high effective denitrogenation performance and a preparation method thereof, belonging to the field of air pollution control.
用复合催化剂和先进缩聚工艺制得的快速固化酚醛树脂胶具有低毒和快速固化的优点。
Fast-curing PF resins with low toxicity and fast curing were prepared by using complex catalyticagent and advanced technology.
通过测定废水降解过程中的COD值,研究了不同煅烧温度及保温时间下制取的复合催化剂的光催化活性。
The photocatalysis activity of composite catalyst prepared at different calcining temperature and holding time was investigated through the determination of COD value in wastewater.
提出了一种复合催化剂,讨论了催化剂用量、反应温度、反应时间、过量乙二醇四因素对酯化反应的影响。
A kind of complexing catalyst was mentioned. It was discussed that the influence of adding quantity of the complexing catalyst, temperature.
用新的催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。
Trimethylaluminum(TMA), usually used in organic catalysis and organic synthesis, was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
报道了以活性炭为载体,以过渡金属无机盐为复合催化剂,在气相条件下四氯化碳与甲醇反应制备(一)氯甲烷的研究结果。
Experimental results were reported here regarding the gas phase conversion of CTC to methyl chloride by using transition metal salt composite catalyst embedded on active carbon.
本发明的复合催化剂,既有催化功能又有二氧化碳吸附功能,并且稳定性提高,使用寿命延长,可循环使用20次或20次以上。
The composite catalyst has a catalytic function and an absorbing function of carbon dioxide, enhances stability, prolongs service life, and can be recycled 20 times or above.
本文介绍的基于氨氧化法生产烟酸的工艺,选择了适当的复合催化剂,使原料3-甲基吡啶转化率可达99%,技术水平达到国外先进水平。
The manufacture process of nicotinic acid based on ammonia oxidation method, which is introduced in this article, reached 99% conversion of 3-methyl pyridine.
采用低温固相法制备了系列负载型铜、钴以及铜钴复合催化剂,用于邻二甲苯的深度催化氧化,以邻二甲苯的分解率和二氧化碳产率综合评价催化剂的活性。
A series of supported copper, cobalt and copper-cobalt composite catalysts were synthesized by solid state reaction, and used for the deep catalytic oxidation of o-xylene.
以含甲醛、丙酮的模拟污染空气,研究其在复合光催化剂作用下的光催化降解行为。
Photocatalytic performance of the catalyst was studied under the action of compound photo-catalyst using simulated polluted air containing formaldehyde and acetone.
在复合体系中的愈合作用是通过添加微包覆的愈合剂和一种催化基体聚合物的催化剂实现的。
Healing in the composites is achieved through the addition of a microencapsulated healing agent and a catalyst to the matrix polymer.
以MDI - 50为原料,制得复合塑胶跑道施工要求的预聚体,探讨催化剂、橡胶颗粒、增塑剂等对反应过程及制品性能的影响。
Prepolymer based on MDI-50 for athletic tracks was prepared, the effects of catalyst, rubber granule and DOP on reaction process and product performance were also studied.
实验结果表明,采用复合酸催化剂具有良好的催化效果。
The results show that using complex acid catalyst the catalytic effect is good.
用丁酸和异戊醇为原料,复合固体酸为催化剂合成了丁酸异戊酯。
Isoamyl butyrate was synthesized from butyric acid and isoamyl catalyzed by composite solid acid as the catalyst.
实验结果表明,复合载体、催化剂组成、反应条件均对目标反应产生较大的影响。
It showed that the composite supporters, the catalyst component and the reaction conditions could have great influence on the target reaction.
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。
A new type of catalytic distillation column has been developed by means of surface modification and catalyst combination to sintered metal porous materials.
结果表明:原料种类、催化剂、干燥及预烧条件,是影响复合氧化物超细粉均匀性和活性的主要因素。
The results showed, that the chemical homogeneity and activity of the powder depended on the types of raw material, catalysts and the calcination conditions.
以苯酚为原料,复合金属离子为催化剂,研究用气相氧化合成苯醌,用铁粉还原苯醌制对苯二酚的两步法工艺,考察了氧化过程中的工艺条件对反应的影响。
The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.
给出反应管内支托催化剂的复合弹簧的设计实例和设计指标。
The design example and norm were established for the complex-spring that supports catalysts in tubule.
主要从单组分载体、复合氧化物载体和新型介孔分子筛三个方面详细论述了加氢脱硫催化剂载体研究进展。
The paper was a review on the development of hydrodesulfurization catalysts in three aspects: single-component support, mixed oxide support and mesoporous molecular sieve.
在M - 2型复合丝光沸石催化剂上,研究了偏三甲苯液相非临氢异构化合成均三甲苯的工艺。
A new technology for synthesis of mesitylene from pseudocumene by liquid non-hydroisomerization on M-2 catalyst was studied.
与酚类抗氧剂一起作为复合稳定剂,效果更佳。较好的草酸亚锡体系与实用的三氧化二锑体系的比较,表明在实际生产中草酸亚锡作为缩聚催化剂是很有前途的。
A comparison has been made between systems of stannous oxalate and antimony trioxide, the result shows the former has a bright future as a polycondensation catalyst in practical production.
本发明公开了一种复合改性分子筛催化剂及其制备方法和应用。
This invention discloses a composite modified catalyst with molecular sieves and its preparation method and application.
本发明公开了一种复合改性分子筛催化剂及其制备方法和应用。
This invention discloses a composite modified catalyst with molecular sieves and its preparation method and application.
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