Effect of Waste Engine Oil Residue on Quality and Durability of SHRP Materials Reference Library Binders

Johnson, Kelli-Anne N; Hesp, Simon A.M.

doi:10.3141/2444-12

Cited by 57 publications

(19 citation statements)

References 20 publications

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“…Waste engine oil residue stands out as a modifier since it is a high-volume byproduct from the recycling of used oils without much value for further refining. Engine oil typically is formulated with saturated, high molecular weight alkanes with few branches, possessing low volatility, good high-temperature oxidative stability, and low viscosity at cold winter temperatures (2). Nuclear magnetic resonance spectroscopy shows that waste engine oil residue is entirely saturated and is therefore better described as consisting of equal parts saturates and polar (oxidized) saturates rather than aromatics.…”

Section: Descriptions Of the Materials Used Followmentioning

confidence: 99%

“…It has been applied to asphalt for the characterization of chemical composition and aging, for detection of impurities, and for studying polymer modification. Two of the major advantages of FTIR-ATR applied to asphalts, compared with transmittance FTIR, are (a) the spectrum is obtained without solvent and (b) the chemical influence of solvents can be avoided (2). The instrument used to perform the FTIR-ATR was a Nicolet 6700, from Thermo Fisher Scientific.…”

Section: Dynamic Shear Rheometer Test Procedure: Frequency Sweepmentioning

confidence: 99%

“…The need for more durable pavements with better performance and longer service life has led the asphalt industry toward an increasing use of modified asphalt binders (1). Air blowing, acids, waste engine oil residues, bio-oils (BO), waxes, and blending of incompatible asphalts are examples of binder modification approaches for the production of asphalt grades generally not accessible through straight distillation of regular crudes (2). With a growing demand for a wide performance grade (PG) range, various modified asphalt binders have been extensively used to meet the current engineering need.…”

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confidence: 99%

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Effect of Polymer and Oil Modification on the Aging Susceptibility of Asphalt Binders

Liu

Moraes²,

Lyngdal

et al. 2016

Transportation Research Record: Journal of the Transportation R

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Oxidative aging causes hardening of asphalt binders and, consequently, contributes to the deterioration of asphalt pavements. The principal cause of asphalt aging and embrittlement in service is the atmospheric oxidation of molecules with the formation of highly polar and strongly interacting functional groups containing oxygen. Therefore, aging is a complex process in unmodified asphalt binders, and the complexity increases for modified binders. The dynamics of world resource economics suggest that the asphalt pavement industry should be exploring economically and environmentally sustainable approaches to development, such as the addition of recycled oils to the base asphalt binder, and thus research activities are noteworthy in this area. The effect of oil and polymer modification on asphalt binder rheology and oxidative aging has become a popular topic for research in recent years. However, the effects of oil and polymers are often studied independently. The objective of this study was to investigate the modification effects of bio-oil, re-refined wasted engine oil, polymers, and the interaction between polymers and oil on the aging susceptibility of asphalt binders. After laboratory accelerated aging procedures were conducted, dynamic shear rheometer and bending beam rheometer tests were used for the rheological performance evaluation. Gel permeation chromatography and Fourier transform infrared spectroscopy were used to verify the rheological results with chemical analysis tools. Results indicate that the aging susceptibility of modified asphalt binders is dependent on modification chemistry. Certain polymers and combinations of polymers with oil can reduce the base asphalt binder’s susceptibility to aging.

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Section: Descriptions Of the Materials Used Followmentioning

confidence: 99%

Section: Dynamic Shear Rheometer Test Procedure: Frequency Sweepmentioning

confidence: 99%

mentioning

confidence: 99%

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Effect of Polymer and Oil Modification on the Aging Susceptibility of Asphalt Binders

Liu

Moraes²,

Lyngdal

et al. 2016

Transportation Research Record: Journal of the Transportation R

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“…Despite numerous efforts on performance of asphalt mixtures containing REOB, conclusions reported were inconsistent and sometimes conflicting. Some studies (e.g., 14,16,18) indicate the adverse effect of the addition of REOB on mixture performance, while other research (e.g., [5][6][7]31) showed that mixtures containing REOB have equivalent or better performance as compared with those without REOB. With the increased potential of using REOB with higher recycled asphalt binder usage, there is a pressing need to investigate the effect of REOB and its dosage to various types of mixture performance across a wide range of temperatures.…”

mentioning

confidence: 99%

Laboratory Performance of Asphalt Mixtures Containing Re-Refined Engine Oil Bottoms Modified Asphalt Binders

You

Shi

Mohammad

et al. 2018

Transportation Research Record: Journal of the Transportation R

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The increasing use of hardened oxidized asphalt binders in recycling materials such as recycled asphalt pavement (RAP) and recycled asphalt shingles (RAS) has increased the need to use re-refined engine oil bottoms (REOB) as a recycling agent. However, conflicting conclusions on the effect of REOB on mixture performance have been reported in the literature. The objective of this study was to characterize the laboratory performance of conventional asphalt mixtures and mixtures containing REOB modified asphalt binders. Four 12.5-mm asphalt mixtures, containing 0%, 5%, 10%, and 15% REOB modified asphalt binders, were designed to meet Superpave design criteria. A suite of laboratory tests was utilized to ascertain the mechanistic behavior of the mixtures considered. Mechanistic tests were performed to evaluate the high-, intermediate-, and low-temperature properties and moisture susceptibilities of laboratory produced mixtures using the Hamburg Loaded-Wheel Tester (LWT), the Semi-Circular Bending (SCB) test, and the Thermal Stress Restrained Specimen (TSRST), respectively. Results showed that the addition of REOB did not adversely affect the rutting and moisture susceptibility of the mixtures. Similar low-temperature mixture performance was observed with an REOB dosage up to 10%, while a mixture with 15% REOB showed significantly reduced low-temperature cracking performance. A decreasing trend in SCB Jc with an increasing REOB content was observed indicating a negative effect of REOB on intermediate-temperature cracking resistance.

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“…Even though today's asphalt binders meet the required performance grades, some agencies in the United States and Canada are reporting premature durability failures. These durability issues are being linked to the current asphalt binder production methods, as well as the potential use of REOB when the asphalt binder is produced and modified (3)(4)(5)(6). This issue has led to what some believe is the premature banning or limiting of REOB by a number of state agencies in the United States without proper evidence.…”

mentioning

confidence: 99%

Fatigue Performance of Re-Refined Engine Oil Bottom–Modified Asphalt: Laboratory Study

Bennert

Ericson

Pezeshki

et al. 2016

Transportation Research Record: Journal of the Transportation R

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Re-refined engine oil bottom (REOB), one of several products obtained from refining recovered engine oil, has been used in the asphalt industry since the 1980s. Generally, REOBs are used to help soften the base asphalt binder and are commonly used from 3% to 10% by weight to achieve desired low temperature asphalt binder properties. Recently, blame for poor cracking performance in a number of Canadian and northern U.S. pavement sections has been laid on the use of REOBs. This issue has prompted state agencies in the northeast United States to ban its use, without necessarily understanding how REOB affects asphalt binder and mixture performance. A research effort was conducted to evaluate the laboratory performance of asphalt binders and mixtures modified with REOB. Performance grading, master stiffness curves, the double-edge notch tension test (DENT), and black space analysis were conducted on the asphalt binders at different levels of laboratory aging. The research study showed that while being able to achieve softer asphalt binder grades in accordance with AASHTO R29, the addition of REOB accelerated the age-hardening effects in the asphalt binder, with higher levels of age hardening occurring at higher REOB dosage rates. The study also indicated that while the stiffness properties at low temperatures were not affected by REOB, the relaxation properties were highly affected. The black space analysis, using the Glover–Rowe approach, and the DENT test showed promise in identifying the age-hardening effects and correlated well with mixture fatigue cracking.

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Effect of Waste Engine Oil Residue on Quality and Durability of SHRP Materials Reference Library Binders

Cited by 57 publications

References 20 publications

Effect of Polymer and Oil Modification on the Aging Susceptibility of Asphalt Binders

Effect of Polymer and Oil Modification on the Aging Susceptibility of Asphalt Binders

Laboratory Performance of Asphalt Mixtures Containing Re-Refined Engine Oil Bottoms Modified Asphalt Binders

Fatigue Performance of Re-Refined Engine Oil Bottom–Modified Asphalt: Laboratory Study

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