The silica support could disperse the catalyst increase the surface active area of the catalyst .

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In this study we used u03b3 - Al2O3 as the support and studied the effect of the carrier loading perovskite in its surface on the pretreatment and catalyst production and the impact on the activity of ammonia decomposition reaction .

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The effect of support on catalytic performance of the nickel catalyst for ethanol steam reforming was investigated .

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The investigated results show that 1 ) loaded gold may suppress the crystallization behavior of iron oxide support improve reduction of the iron oxide and increase the number of adsorption sites on the surface of the obtained catalyst .

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The active component can be well adsorbed on the support ( D3520 ) on which the lifetime of the catalyst is prolonged .

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The pore structure of catalyst and support active metal type metal amount metal distribution degree of interaction between metal and support forming and so on are studied to enhance the catalyst physical and chemical properties and improve the catalyst activity .

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TiO_2 support is a newfashioned catalyst carrier in recent years . TiO_2 support became the studying focus since researchers of Exxon Company found the SMSI on titanic supported noble metal catalyst in 1978 . Preparation and performances of TiO_2 support were studied in this thesis .

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The crystalline of TiO2 transformed from anatase to rutile with the increase in calcination temperature of support . The forming of rutile phase improved the activity of Cu-Ti catalyst system .

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The thermogravimetric curve profile of the support ( the complex compound of magnesium chlo-ride with alcohol ) of the polypropylene catalyst was studied .

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In this study the systematic work focused on preparation methods support materials and promoters of the catalyst . 1 .

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The Ce-Zr mixed oxides were synthesized by co-precipitation method and the cordierite ceramic honeycomb as the catalyst support the catalyst was prepared by dip-coating method the activity of the catalyst was studied .

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The Affects of Synthesis Conditions of NaY Zeolite from Metakaolin by Hydrothermal Method Mixed support of Y zeolite and titania-silica composite oxide for the heavy oil hydrotreating catalyst

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On the other hand the metallic honeycomb support with micro-channel not only can improve the mechanical strength of the catalyst but can compact the reactor volume .

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Support is the core technology of catalyst the structure form and component will influence the performance of catalyst .

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However carbon support is prone to suffer from physical and chemical degradation as well as carbon corrosion under prolonged operation at high temperatures high water content low pH high oxygen concentration existence of the Pt catalyst and / or high potential .

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BET results suggested treatment time of nitric acid to YSZ-Al_2O_3 support exerted an influence on catalytic activity of the catalyst by changing its BET areas and 0.5 h was best .

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Study on Surface Hydroxylation of Support and Performance of the Immobilized AlCl_3 Catalyst

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The effect of preparation methods on support and of promotor and pore structure on the performance of catalyst were studied in laboratory experiments .

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Mixed support of Y zeolite and titania-silica composite oxide for the heavy oil hydrotreating catalyst

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Crosslinked poly-4-vinylpyridine quaternized with methyl iodide ethyl bromide has been prepared and the quaternary salts have been used for the support of the Pd catalyst .

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