| 摘要 |
PURPOSE: A mesoporous nickel-alumina zerogel catalyst based on nanocarbon particles as a mold, a method for preparing the same, and a method for preparing hydrogen gas are provided to improve the activity, porosity, reduction property, and active phase size of a catalyst. CONSTITUTION: A method for preparing a mesoporous nickel-alumina catalyst comprises the steps of: hydrating metal ions by dissolving an aluminum precursor and a nickel precursor into an alcohol solvent; uniformly dispersing nanocarbon particles having the average particle diameter of 10-50 nm into the solution; obtaining a hybrid gel by injecting an epoxide-based compound into the solution in order to generate hydroxide groups in the hydrated aluminum and nickel and condensing the hydrated aluminum and nickel; aging the hybrid gel at the room temperature; and drying and thermally treating the aged hybrid gel. [Reference numerals] (AA) Liquefied natural gas conversion rate (%); (BB) Reaction time (minutes); (CC) Hydrogen yield (%); (DD) Liquefied natural gas conversion rate (Example 1; CT-NA); (EE) Liquefied natural gas conversion rate (Comparative example 1; NA); (FF) Hydrogen yield (Example 1; CT-NA); (GG) Hydrogen yield (Comparative example; NA) |
