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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 524-527Desulfurization of Simulated Coking Benzene on...

Desulfurization of Simulated Coking Benzene on Modified Activated Clay

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Abstract:

Two catalysts, SO₄^2-/activated clay (SAC) and SO₄^2-/Fe₂O₃ activated clay (SFAC) were obtained by activated clay with or without Fe₂O₃ loading then treated with H₂SO₄. The acidity of the catalysts were measured by temperature-programmed desorption of ammonia (NH₃-TPD), and the results confirm that the SFAC catalyst has higher acid strength than SAC catalyst. Other techniques such as X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), and energy dispersive X-ray spectroscopy (EDXS) were also employed to characterize the structure of catalysts. Its catalytic properties in desulfurization reaction from the simulated coking benzene by alkylation method was also investigated under mild conditions (353 K and atmospheric pressure), the thiophene removal efficiency can reach 42% for SAC catalyst and 99% for SFAC catalyst, respectively.

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Periodical:

Advanced Materials Research (Volumes 524-527)

Pages:

876-882

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.524-527.876

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Online since:

May 2012

Authors:

Chun Guang Pan, Hong Zhu Ma

Keywords:

Activated Clay, Alkylation, Coking Benzene, Desulfurization

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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