Characterization of oxidized asphaltenes and the restorative effect of a bio-modifier

Characterization of oxidized asphaltenes and the restorative effect of a bio-modifier Fuel 212 (2018) 593–604 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Characterization of oxidized asphaltenes and the restorative effect of a bio- modifier a a a b, Farideh Pahlavan , Masoumeh Mousavi , Albert M. Hung , Elham H. Fini Innovation Center for Materials, Methods and Management, Division of Research and Economic Development, North Carolina A & T State University, 1601 E. Market St., Greensboro, NC 27411, USA Department of Civil, Architectural and Environmental Engineering, North Carolina A & T State University, 1601 E. Market St., Greensboro, NC 27411, USA GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In this study, we use density functional theory (DFT) at a micro-level and laboratory experiments at a macro- Asphalt binder level to understand two phenomena: the molecular mechanisms responsible for the chemical aging of asphalt, Bio-rejuvenator and the restorative effect of a new generation of bio-modifiers for treating aged asphalt. Our DFT-based studies Density functional theory (DFT) show that the interplay of a series of competing factors is responsible for enhancement of the intermolecular Oxidized asphaltene interactions in aged (oxidized) asphaltene dimers compared to unaged (unoxidized) forms. While electron- withdrawing groups of carbonyl (C]O) around http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fuel Elsevier

Characterization of oxidized asphaltenes and the restorative effect of a bio-modifier

Loading next page...
 
/lp/elsevier/characterization-of-oxidized-asphaltenes-and-the-restorative-effect-of-pL5xlJDj0Y
Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0016-2361
D.O.I.
10.1016/j.fuel.2017.10.090
Publisher site
See Article on Publisher Site

Abstract

Fuel 212 (2018) 593–604 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Characterization of oxidized asphaltenes and the restorative effect of a bio- modifier a a a b, Farideh Pahlavan , Masoumeh Mousavi , Albert M. Hung , Elham H. Fini Innovation Center for Materials, Methods and Management, Division of Research and Economic Development, North Carolina A & T State University, 1601 E. Market St., Greensboro, NC 27411, USA Department of Civil, Architectural and Environmental Engineering, North Carolina A & T State University, 1601 E. Market St., Greensboro, NC 27411, USA GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In this study, we use density functional theory (DFT) at a micro-level and laboratory experiments at a macro- Asphalt binder level to understand two phenomena: the molecular mechanisms responsible for the chemical aging of asphalt, Bio-rejuvenator and the restorative effect of a new generation of bio-modifiers for treating aged asphalt. Our DFT-based studies Density functional theory (DFT) show that the interplay of a series of competing factors is responsible for enhancement of the intermolecular Oxidized asphaltene interactions in aged (oxidized) asphaltene dimers compared to unaged (unoxidized) forms. While electron- withdrawing groups of carbonyl (C]O) around

Journal

FuelElsevier

Published: Jan 15, 2018

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off