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AIChE Letter: Separations: Materials, Devices and Processes

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Graphene and other carbon sorbents for selective adsorption of thiophene from liquid fuel

  1. Lifeng Wang1,
  2. Ralph T. Yang1,*,
  3. Chia-Liang Sun2

Article first published online: 10 AUG 2012

DOI: 10.1002/aic.13896

Issue

AIChE Journal

AIChE Journal

Volume 59, Issue 1, pages 29–32, January 2013

Additional Information

How to Cite

Wang, L., Yang, R. T. and Sun, C.-L. (2013), Graphene and other carbon sorbents for selective adsorption of thiophene from liquid fuel. AIChE J., 59: 29–32. doi: 10.1002/aic.13896

Author Information

  1. 1

    Dept. of Chemical Engineering, University of Michigan, Ann Arbor, MI

  2. 2

    Dept. of Chemical and Materials Engineering, Chang Gung University, Kwei-Shan, Taiwan

*Correspondence concerning this article should be addressed to R. T. Yang at yang@umich.edu.

Publication History

  1. Issue published online: 21 DEC 2012
  2. Article first published online: 10 AUG 2012
  3. Accepted manuscript online: 31 JUL 2012 08:48AM EST
  4. Manuscript Received: 14 JUN 2012

Funded by

  • NSF. Grant Number: CBET-0852129

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Keywords:

  • adsorption/liquid;
  • materials;
  • fuels

Significance

Four types of carbons (activated carbon, Maxsorb superactivated carbon, mesoporous templated carbon CMK-3, and graphene) were investigated as selective sorbents for adsorption of thiophene from its solution in n-octane. Graphene showed clearly the highest sulfur capacity. The relative sulfur capacities correlated well with the relative heats of adsorption. The carbene-type zigzag edge sites and the carbyne-type armchair edge sites on graphene are among the possible sites for strong interactions with thiophene.

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