Method of Fabricating Annular Carrier Catalyst
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United States of America Patent
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Issued Date -
Dec 29, 2016
app pub date -
Mar 25, 2016
filing date -
Jun 25, 2015
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Abstract
A method is provided for fabricating a carrier catalyst. The carrier catalyst uses an annular carrier of α-alumina (α—Al2O3). The annular carrier of α—Al2O3 has stable activity. By analyzing characteristics and methane conversion rates of catalysts with different compositions, a solution for solving carbon deposition is found. Cerium oxide (CeO2) is used as an accelerator and platinum (Pt) nano-particles are used as catalyzer. The above components are impregnated and coated on the annular carrier of α—Al2O3. Thus, an annular-carrier catalyst of Pt/CBO2/α—Al2O3 is formed. Therein, the present invention uses carbon nanotubes before calcining the annular carrier catalyst. Consequently, its microstructure is modified to obtain a surface area of 130 square meters per gram and an average pore size of 12.585 angstroms. Preferably, 0.5 percents of platinum nano-particles are to be added into the carrier catalyst to achieve a 79% methane conversion rate even after 25 hours of reformation reaction.
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