Bio-Oils as Asphalt Bitumen Rejuvenators

Amir Tabaković*, Dave van Vliet, Kirsten Roetert-Steenbruggen, Greet Leegwater

*Corresponding author for this work

Research output: Contribution to journalConference articleScientificpeer-review

2 Citations (Scopus)
24 Downloads (Pure)

Abstract

Bitumen rejuvenators are used to improve or restore the physical and mechanical performance of aged bitumen. Traditional bitumen rejuvenators are a product of crude oil. As crude oil production declines and the environmental and financial costs of crude oil increase, there is an urgent need to identify more environmentally sustainable bitumen rejuvenator alternatives. Bitumen rejuvenators generated from biological sources offer an environmentally friendly and economically viable alternative to the crude oil-based bitumen rejuvenators. This paper describes a study wherein microalgae oil was used as an aged bitumen rejuvenator. The chemical, physical, and mechanical effects of microalgae oil on 70/100pen aged bitumen were investigated. The results indicate that microalgae oil has the potential to be used as an aged bitumen rejuvenator.

Original languageEnglish
Article number27
Number of pages5
JournalEngineering Proceedings
Volume36
Issue number1
DOIs
Publication statusPublished - 2023
EventMaintenance and Rehabilitation of Constructed Infrastructure Facilities 2023 - Hilton Hawaiian Village Waikiki Beach Resort, Honolulu, United States
Duration: 16 Aug 202319 Aug 2023
https://www.icsc2019.org/

Keywords

  • asphalt materials
  • bio-bitumen rejuvenators
  • bitumen rejuvenation
  • microalgae oil

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