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Chemically B-N Modified Activated Carbon and its Thermal Stability and Desorption Enthalpy With Methanol

[+] Author Affiliations
Rajib Paul, Tyler Voskuilen, Dmitry Zemlyanov, Timothée L. Pourpoint, Timothy S. Fisher

Purdue University, West Lafayette, IN

Paper No. IMECE2012-89531, pp. 1155-1160; 6 pages
doi:10.1115/IMECE2012-89531
From:
  • ASME 2012 International Mechanical Engineering Congress and Exposition
  • Volume 9: Micro- and Nano-Systems Engineering and Packaging, Parts A and B
  • Houston, Texas, USA, November 9–15, 2012
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4525-7
  • Copyright © 2012 by ASME

abstract

A chemical modification of activated carbon is demonstrated through boron and nitrogen incorporation via microwave-assisted heating. The surface modification of the activated carbon was imaged by scanning electron microscope. The crystallinity of the material was quantified by X–ray diffraction, and the chemical content as well as bonding environment were investigated using X-ray photoelectron and Raman microscopies. The observed increment in desorption enthalpy of modified activated carbon with methanol as measured through differential scanning calorimetry and its superior thermal stability in air as measured by thermogravimetric analysis suggest that the modified material is a promising candidate for efficient sorption processes in waste thermal and solar energy driven cycles.

Copyright © 2012 by ASME

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