XANES measurements of sulfur chemistry during asphalt oxidation

XANES measurements of sulfur chemistry during asphalt oxidation Fuel 162 (2015) 179–185 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel a,⇑ b c c d,1 Michael L. Greenfield , Michael Byrne , Sudipa Mitra-Kirtley , Eric M. Kercher , Trudy B. Bolin , d e e e Tianpin Wu , Paul R. Craddock , Kyle D. Bake , Andrew E. Pomerantz Department of Chemical Engineering, University of Rhode Island, Kingston, RI 02881, USA Rhode Island Department of Transportation, Two Capitol Hill, Providence, RI 02903, USA Rose-Hulman Institute of Technology, Terre Haute, IN 47803, USA Argonne National Laboratory, 9700 South Cass Ave, Argonne, IL 60439, USA Schlumberger-Doll Research, 1 Hampshire St., Cambridge, MA 02139, USA highl i ghts graphical a bstrac t Sulfur chemical speciation in a warm-mix asphalt was measured by Sulfur K-edge XANES sulfur K-edge XANES. 8 Changes in sulfur speciation as a Sulfide consequence of RTFO and PAV aging Thiophene Sulfoxide were quantified. More sulfide is unoxidized than Asphalt converted to sulfoxide under RTFO or +RTFO PAV conditions. +PAV Thiophene is the dominant sulfur 2460 2465 2470 2475 2480 2485 2490 form regardless of extent of aging. Photon Energy (eV) article i nfo abstract Article history: Sulfur K-edge X-ray absorption near-edge structure (XANES) spectroscopy http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fuel Elsevier

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier Ltd
ISSN
0016-2361
D.O.I.
10.1016/j.fuel.2015.08.074
Publisher site
See Article on Publisher Site

Abstract

Fuel 162 (2015) 179–185 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel a,⇑ b c c d,1 Michael L. Greenfield , Michael Byrne , Sudipa Mitra-Kirtley , Eric M. Kercher , Trudy B. Bolin , d e e e Tianpin Wu , Paul R. Craddock , Kyle D. Bake , Andrew E. Pomerantz Department of Chemical Engineering, University of Rhode Island, Kingston, RI 02881, USA Rhode Island Department of Transportation, Two Capitol Hill, Providence, RI 02903, USA Rose-Hulman Institute of Technology, Terre Haute, IN 47803, USA Argonne National Laboratory, 9700 South Cass Ave, Argonne, IL 60439, USA Schlumberger-Doll Research, 1 Hampshire St., Cambridge, MA 02139, USA highl i ghts graphical a bstrac t Sulfur chemical speciation in a warm-mix asphalt was measured by Sulfur K-edge XANES sulfur K-edge XANES. 8 Changes in sulfur speciation as a Sulfide consequence of RTFO and PAV aging Thiophene Sulfoxide were quantified. More sulfide is unoxidized than Asphalt converted to sulfoxide under RTFO or +RTFO PAV conditions. +PAV Thiophene is the dominant sulfur 2460 2465 2470 2475 2480 2485 2490 form regardless of extent of aging. Photon Energy (eV) article i nfo abstract Article history: Sulfur K-edge X-ray absorption near-edge structure (XANES) spectroscopy

Journal

FuelElsevier

Published: Dec 15, 2015

References

  • Chemical compositions of improved model asphalt systems for molecular simulations
    Li, D.D.; Greenfield, M.L.
  • Field aging effect on chemistry and rheology of asphalt binders and rheological predictions for field aging
    Qin, Q.; Schabron, J.F.; Boysen, R.B.; Farrar, M.J.
  • The kinetics of carbonyl formation in asphalt
    Liu, M.; Lunsford, K.M.; Davison, R.R.; Glover, C.J.; Bullin, J.A.
  • Chemical sensitivity of sulfur 1s NEXAFS spectroscopy I: speciation of sulfoxides and sulfones
    Behyan, S.; Hu, Y.; Urquhart, S.G.
  • Sulphur characterization in coal from X-ray absorption near edge spectroscopy
    Kasrai, M.; Brown, J.R.; Bancroft, G.M.; Yin, Z.; Tan, K.H.
  • Chemical forms of sulfur in geological and archeological asphaltenes from Middle East, France, and Spain determined by sulfur K- and L-edge X-ray absorption near-edge structure spectroscopy
    Sarret, G.; Conna, J.; Kasrai, M.; Bancroft, G.M.; Charrié-Duhaut, A.; Lemoine, S.
  • Characterization of tribofilms derived from zinc dialkyl dithiophosphate and serpentine by X-ray absorption spectroscopy
    Zhao, F.; Kasrai, M.; Sham, T.-K.; Bai, Z.; Zhao, D.
  • In-situ reflection-XANES study of ZDDP and MoDTC lubricant films formed on steel and diamond like carbon (DLC) surfaces
    Morina, A.; Zhao, H.; Mosselmans, J.F.W.
  • XANES characteristics of tribofilms generated by dithiophosphate additive in water at different test temperatures and durations
    Ma, H.; Qiao, R.; Li, Y.; Chen, H.; Ren, T.

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