HYDROGEN PRODUCTION FROM STEAM BUTANOL REFORMING OVER COBALT CATALYST SUPPORTED ON CERIA
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Published:2023
Issue:1
Volume:6
Page:1-14
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ISSN:2572-9896
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Container-title:Catalysis in Green Chemistry and Engineering
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language:en
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Short-container-title:Catal Green Chem Eng
Author:
Yadav Abhimanyu K.,Vaidya Prakash D.
Abstract
Butanol, which is producible from biomass, can provide hydrogen (<i>H</i><sub>2</sub>) renewably via the reforming route. Cobalt catalysts are good candidates for the reforming of bio-oxygenates. This work describes the performance of three cobalt-based catalysts for steam butanol reforming: Co/CeO<sub>2</sub>, Co/ZrO<sub>2</sub>, and Co/La-CeO<sub>2</sub>. In a fixed-bed reactor, <i>H</i><sub>2</sub> was produced from butanol/water mixtures (steam/carbon = 33.3 mol mol<sup>-1</sup>) at temperatures between 350 °C and 500°C. Catalyst Co/CeO<sub>2</sub> performed better than the other two catalysts: butanol conversion was as high as 91.3% at <i>T</i> = 500°C and <i>W/F</i><sub>0</sub> = 16.7 g h mol<sup>-1</sup> (<i>W</i> = mass of catalyst, <i>F</i><sub>0</sub> = molar flow of butanol in the feed), and <i>H</i><sub>2</sub> yield was 0.68 mol mol<sup>-1</sup>. When simulated biobutanol was used as feed, <i>H</i><sub>2</sub> selectivity over Co/CeO<sub>2</sub> was 70.8%. These encouraging results contributed to the development of improved butanol reforming catalysts.
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