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查看11 | 回复2 | 2009-6-18 21:47:43 | 显示全部楼层 |阅读模式
Regard own amine of ring as pharmaceutical of template, has formated ZSM-35 molecule and sifted the zeolite in hot system of water. Sift feasibility research in formating ZSM-35 molecule by using different alkali consumption, different template pharmaceutical consumption and different aluminium sources. Measure the degree of crystallinity of object of the product molecule by X ray diffraction (XRD), infer out relevant synthetic terms through comparing with standard XRD atlas that ZSM-35 molecule sifts. Sift and take off aluminium to modify to high silicon ZSM-35 molecule by different acid treatment methods, hole structure of making the molecule sift and changing acidly. Then make into the catalyst on going to high silicon ZSM-35 molecule to sift the oxide load of vanadium with infusion law. Use the miniature catalysis promoter device, combining UV-Vis purple can be seen outside, H2- chemistry absorb and procedure intensify physical chemistry of reducing etc. means study carrier structure and propane take off hydrogen instead at vanadium load amount V2O5/ZSM-35 molecule sift to load type Influence in conformity with performance. The result indicates, load type V2O5/ZSM-35 catalyst takes off catalysis performance and carrier of the hydrogen to make up and is closely related with to propane. Among them the load amount of the vanadium oxide is demonstrating the good propane conversion ratio and higher propylene yield at 8% o'clock.
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千问 | 2009-6-18 21:47:43 | 显示全部楼层
Take the cyclohexylamine as the template medicinal preparation, synthesized the ZSM-35 molecular sieve zeolite in the water hot system. Through the use different alkali amount used, the different template medicinal preparation amount used as well as the different aluminum source to synthesizes the ZSM-35 molecular sieve to conduct the feasibility study. Diffracts the (XRD) examination resultant member with the X-ray the physical image crystallinity, through contrasts ZSM-35 molecular sieve's standard XRD atlas to extrapolate the related synthesis condition. Carries on with the different acid treatment method to the high silicon ZSM-35 molecular sieve escapes the aluminum modification, causes molecular sieve's hole structure as well as the acidity has the change. Then makes by the impregnation method the vanadium oxide compound load to the high silicon ZSM-35 molecular sieve on the catalyst. With the miniature catalytic reaction installment, unified UV-Vis ultraviolet obviously, H2- physical chemistry methods and so on chemical adsorption and temperature program return to original state has studied the carrier structure as well as the vanadium capacity to the load V2O5/ZSM-35 molecular sieve on the propane dehydrogenation reactivity worth influence. The result indicated that load V2O5/ZSM-35 catalyst to propane dehydrogenation catalyzed performance and carrier composition close related. And the vanadium oxide compound's capacity is time 8% demonstrates the good propane conversion rate and high propylene receiving rate.
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千问 | 2009-6-18 21:47:43 | 显示全部楼层
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