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La2Ce2O7 supported ruthenium as a robust catalyst for ammonia synthesisWenfeng Han,Zhi Li,Huazhang LiuInstitute of Industrial Catalysis, Zhejiang University of Technology摘 要:catalyst exhibits much higher......
of the catalyst. Another issue of C1 chemistry is related to the methane-initiated process. It has been known that direct methane conversions are still suffering from low yields and selectivity... these barriers, for example, by finding the best catalyst to reduce the high-energy barrier of the reactions and conduct only selective catalyst-surface reactions. The appli- cation of Yttria-Stabilized......
of an anodic oxidation TiO2/Ti film catalyst. The surface morphology and phase composition were examined by scanning electron microscopy and X-ray diffraction. The catalytic property of the film... catalysts. The removal rate of potassium chromate was related to the technique parameters of calcination/acid-activation treatment. When the anodic oxidation TiO2/Ti film catalyst was calcined at 873 K......
: 8-hydroxyquinoline molybdenum; substituent group; epoxidation; catalyst 环氧环己烷由于含有活泼的环氧基团而成为重要的有机反应中间体,市场对其需求量不断增大,发展前景广阔[1-3].环氧环己烷的合成方法可分为过氧化物催化环己烯氧化法[4-6],氧催化环己烯氧化法[7],氯醇法[8],电解法以及工业回收法[9].其中环己烯是制备环...-IR (KBr) spectra of ligand i and catalyst i1 2.4 催化剂的热重分析 催化剂a1,e1,f1,g1,h1和i1的热重曲线如图3所示.由图3可以看出:不同配体的催化剂具有相似的热降解特征,所有的催化剂都具有优良的热性能,起始热分解温度都超过220 ℃.图中所有的催化剂都出现一个明显的质量损失台阶,这是由于催化剂的小分子配体受热失去而形成的.这进......
Low-temperature catalytic oxidation of NO over Mn-Ce-Ox catalyst李华,唐晓龙,易红宏,于丽丽Faculty of Environmental Science & Engineering,Kunming University of Science and Technology摘 要:catalyst shown by BET,SEM and XRD.关键词:......
Regeneration of deactivated CeCoxO2 catalyst by simple thermal treatmentYandi Cai1,Lihua Wang1,Shuohan Yu2,3,Jingfang Sun2,Baochun Liu1,Lin Dong2,31. College of Chemistry and Molecular Engineering... stream washing of CeCoxO2 catalysts for NO+CO reaction.It is found that the deactivated catalyst can be regenerated by simple thermal treatment and increasing calcination temperature could accelerate......
Regeneration of deactivated CeCoxO2 catalyst by simple thermal treatmentYandi Cai1,Lihua Wang1,Shuohan Yu2,3,Jingfang Sun2,Baochun Liu1,Lin Dong2,31. College of Chemistry and Molecular Engineering... stream washing of CeCoxO2 catalysts for NO+CO reaction.It is found that the deactivated catalyst can be regenerated by simple thermal treatment and increasing calcination temperature could accelerate......
负载型纳米金催化剂的合成,表征及性能研究谢娟1,2,冯如斌1,赵蔚2,王延吉0(1.河北省邯郸市河北工程大学理学院2.天津市河北工业大学化工学院)摘 要:以SiO2和纳米Au颗粒为原料,采用自组装方法合成了负载型金催化剂.应用傅立叶变换红外光谱(FT-IR),X射线能谱(EDS),透射电子显微镜(TEM),X射线光电子能谱(XPS)及原子吸收光谱(AAS)等对样品进行了表征.将该催化剂用于空气氧化环己烷反应的实验结果显示,其不仅具有较高的催化活性和稳定性,而且经简单处理即可重复使用多次.关键词:金; 催化剂; 合成; 表征; 环己烷氧化......
of Technology at Weihai摘 要:SiC nano wires were fabricated on the silicon substrate dipped with a layer of Ni catalyst at 900 ℃ by gas pressure annealing processing......
Catalyst Enhanced Chemical Vapor Depositionof Nickel on Polymer Surface俞亚冕1,LIU Yiqin1,WANG Jun2,卿山1,俞开潮31. Faculty of Metallurgical and Energy, Kunming University of Science and Technology2. School... (Ministry of Education), Huazhong University of Science and Technology摘 要:Catalyst enhanced chemical vapor deposition of nickel film on high Tg polymers......