搜索结果: 1-9 共查到“地质学 catalysts”相关记录9条 . 查询时间(0.081 秒)
Zn-Doped Palygorskite Loaded TiO2 for Visible-Light Active Catalysts
Catalyst Palygorskite TiO2 Visible Light
2011/11/14
Zn-doped palygorskite loaded TiO2 for visible-light active catalysts were prepared by the method of liquid ion exchange and precipitation. XRD and SEM measurments show that the titanium dioxide was lo...
Preparation and Catalytic Performance of Ce-Y-Palygorskite Catalysts for NO Decomposition
Catalyst Preparation Catalytic Performance NO Palygorskite
2011/11/14
Ce-Y-palygorskite catalysts were prepared by chemical blending method. The effect of preparation conditions on catalytic performance of Ce-Y-palygorskite catalyst for NO decomposition was investigated...
Influence of the clay and the nickel content in catalysts for vegetable oil hydrogenation
Influence of the clay nickel content catalysts vegetable oil hydrogenation
2011/11/10
Nickel catalysts prepared using two different clays as support, natural bentonite and palygorskite, and with different nickel contents have been tested in the hydrogenation of a sunflower oil. The inf...
Synchrotron and Simulations Techniques Applied to Problems in Materials Science: Catalysts and Azul Maya Pigments
XAFS WAXS SAXS XANES Catalysts Maya Blue
2011/11/10
Development of synchrotron techniques for the determination of the structure of disordered, amorphous and surface materials has exploded over the past twenty years due to the increasing availability o...
Naturally-Occurring Silicates as Carriers for Copper Catalysts Used in Methanol Conversion
Bentonite Copper catalysts Methanol dehydrogenation Sepiolite
2011/12/30
Bentonite- and sepiolite-supported copper catalysts have been prepared either by adsorption of Cu(II) from aqueous solutions of copper nitrate at pH …4.5 or by adsorption ofa [Cu(NH3)4]2+ complex from...
Surface Acidity of Palygorskite-Supported Rhodium Catalysts
Pyridine Catalysis Palygorskite Rhodium Surface acidity
2012/1/4
Infrared spectra of adsorbed pyridine have been used to obtain qualitative information on the nature of the interaction of pyridine with different rhodium catalysts supported on palygorskite and silic...
SURFACE ACIDITY OF PALYGORSKITE-SUPPORTED RHODIUM CATALYSTS
Pyridine Catalysis Palygorskite Rhodium Surface acidity
2011/11/14
Infrared spectra of adsorbed pyridine have been used to obtain qualitative information on the nature of the interaction of pyridine with different rhodium catalysts supported on palygorskite and silic...
Methyl t-Butyl Ether (MTBE) Production: A Comparison of Montmorillonite-Derived Catalysts with an Ion-Exchange Resin
Amberlyst 15 Catalysis Chlorhydrol Ion-exchange resin Methyl t-butyl ether Montmorillonite
2012/1/13
Montmorillonite-based catalysts were compared with an acidic ion-exchange resin of the type used industrially for the production of methyl t-butyl ether (MTBE) from methanol and isobutene or t-butanol...
Zeolite as Catalysts for the Synthesis of Amino Acids and Purines
Zeolite Catalysts Synthesis Amino Acids Purines
2012/2/17
This paper attempts to show that the catalytic properties of zeolitic material may play a role in the synthesis of simple biological molecules from gases commonly found in extraterrestrial atmospheres...