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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 9
BKCSDE 34(9)
September 20, 2013 
 
Title
 Synthesis of Thermally Stable Mesoporous Alumina by using Bayberry Tannin as Template in Aqueous System
Author
 Jing Liu, Fuming Huang, Xuepin Liao*, Bi Shi
Keywords
 Mesoporous alumina, Bayberry tannin, Template, Thermal stability, Catalyst support
Abstract
 Mesoporous alumina was synthesized using bayberry tannin (BT) as template. This novel synthesis strategy was based on a precipitation method associated with aluminum nitrate as the source of aluminum in an aqueous system. N2 adsorption/desorption, XRD, SEM and TEM were used to characterize the as-prepared mesoporous alumina. The results showed that the mesoporous alumina possessed crystalline pore wall, high specific surface area, narrow pore distribution and excellent thermal stability. Moreover, the surface area and pore size of the mesoporous alumina can be tuned by changing the experimental parameters. Further, the mesoporous alumina was investigated as the support of palladium catalyst (Pd-Al2O3*) for the hydrogenation of propenyl, styrene and linoleic acid. For comparison, the reference catalyst (Pd-Al2O3) prepared without barberry tannin was also employed for the catalytic hydrogenation. The experimental results showed that Pd-Al2O3* exhibited the superior catalytic performance than Pd-Al2O3 for all the investigated substrates, especially for the hydrogenation of linoleic acid with larger molecular.
Page
 2650 - 2656
Full Text
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