Title:
Nanopowder nickel aluminate for benzothiophene adsorption from dodecane
Nanopowder nickel aluminate for benzothiophene adsorption from dodecane
Author(s)
Berrigan, John Daniel
Advisor(s)
Carter, W. Brent
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Abstract
Nickel aluminate reduced in hydrogen for 3 h at 500ºC was studied for desulfurization of model fuel comprised of dodecane spiked with benzothiophene (300 ppmw S). The nanopowder adsorbent was synthesized using combustion chemical vapor condensation, which created nickel aluminate with a BET specific surface area of 57.8 m2/g and average particle size of 11.7 nm. The nickel aluminate adsorbent removed 23 µmol of sulfur gram at breakthrough (<15 ppmw S). Regeneration by further heat treatment in hydrogen or air recovered 25% and 40% of original capacity, respectively.
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Date Issued
2008-11-10
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