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- W2009596919 abstract "This work investigates the hydrogen generation via methanol thermal decomposition (TD) over the three group IA alkali metals, Na, K, and Cs, incorporated into aluminosilicate catalysts (IA–AlxSiyOz). The scanning electron microscopy (SEM) images of the IA–AlxSiyOz catalysts revealed various and regular morphologies such as cube (Na), bouquet (K), and spherical (Cs), but the other two catalysts, K-alumina and silica, were irregular and non-uniform. The catalytic performances differed according to the alkali elements. The K–AlxSiyOz catalyst provided a significantly higher methanol decomposition and hydrogen production than the other catalysts: the H2 production was maximized at 78% at a reaction temperature of 550 °C, CH3OH concentration of 30 vol-%, and gas hourly space velocity (GHSV) of 1800 h−1. In an unusual result, carbon nano filaments were created over the K–AlxSiyOz catalyst after the reaction even though CO2 and ethanol were not used. In the proposed mechanism, the group IA metals played an important role in depressing the strong acidities at the Al sites, and K was determined to be the most effective in increasing the hydrogen yield and suppressing the generation of CO and CO2." @default.
- W2009596919 created "2016-06-24" @default.
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- W2009596919 date "2011-05-01" @default.
- W2009596919 modified "2023-09-26" @default.
- W2009596919 title "Synthesis of group IA alkali metal-aluminosilicates, and their hydrogen production abilities on methanol thermal decomposition" @default.
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- W2009596919 doi "https://doi.org/10.1016/j.energy.2011.03.025" @default.
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