Asphalt wax content measuring instrument is a key equipment used to measure the wax content in petroleum asphalt. It is mainly used to measure the wax content of road asphalt, and is widely used in transportation industry and petroleum industry. This…
It is clear for the transportation industry that asphalt prices are heavily affected by changes in the crude oil market. This occurs because asphalt is a byproduct of the process of refining crude oil. However, there is still a lack of research on…
This paper discusses an example of the master meter system (MMS), used in the oil and gas industry with the purpose of validating the performance of custody transfer meters. The system can also be used to determine if there are any changes such as…
The pentane solvent deasphalting (SDA) process was carried out with petroleum vacuum residue (VR) blend with a bio-oil (BO) and solely with the bio-oil as a raw material. Two fractions each were produced: deasphalted oil (DAO) and asphaltic residue…
Thermal desorption (TD) behaviors of high-concentration petroleum-contaminated soil (PCS) are affected by soil properties, especially inorganic minerals, in the soil composition. In this study, the TD behaviors of petroleum-contaminated quartz…
Understanding the structure-property relationships of the binder-aggregate interface at the molecular level provides insights into the nature of their adhesion and could pave the way for better asphalt mixtures. In this study, molecular dynamic…
Microbes can enhance oil recovery through the degradation of some heavy fractions of crude oil. Two Pseudomonas aeruginosa strains (Gx and Fx) using crude oil as the carbon source were isolated from oil-contaminated soils. The potential of Gx and Fx…
Nowadays, rational yet high value-added utilization of low-cost petroleum asphalt still faces a significant challenge. In light of its high carbon content and abundant sulfur atoms, here, an in-situ bonding sulfur strategy is proposed to fabricate…
Performance of the nanoparticle-modified asphalt binder is greatly influenced by adhesion properties between asphalt binder and nanoparticle. In this work, the adhesion properties of crude oil fractions (e.g., Saturate, Asphaltene, Resin and Aromatic…
To evaluate the fatigue property of hard petroleum asphalt, select the representative four kinds of hard petroleum asphalt and SBS modified asphalt of comparative sample, five kinds asphalt were subject to short-term and long-term aging by using…
Hard carbon anode materials for sodium ion batteries were prepared from petroleum pitch by air oxidation stabilization followed by carbonization. The effects of the oxidation stabilization temperature on the compositions and microstructures of the…
Massive production of efficient, durable, and low-cost electrocatalysts toward oxygen reduction reaction (ORR) is urgently desired for the development of energy storage and conversion devices. In this study, a facile and cost-effective strategy is…
In this paper, C9 petroleum resin was used as the raw material, and the microstructure of C9/SBS modified asphalt at a different time under different C9 petroleum resin content was studied by fluorescence microscope. The mechanical properties were…
Rational pore structure and surface properties of carbon materials are significant for their practical application in supercapacitors (SCs). Pursuing a simple and costless synthesis approach is of great importance, yet full of challenges. Herein,…
The potential use of bio-binders as full or partial substitutes of petroleum-based binders have gained interest from the paving researches in recent years. Although there are many studies about rheological characterization of alternative binders,…
In the calculation of oil reserves of paleo oil reservoirs, the area of paleo oil reservoirs is generally determined according to the distribution area of asphalt or according to the area of paleo traps. These methods have limitations. In view of the…
Throughout the years we have realized the importance of asphalt in everyday life because to transport us from one place to another it is essential to pass the roads. There are a total of 171, 347 km of paved roads in Mexico of which 50, 435 km are…
Time-delay estimation (TDE) for thin top layers of asphalt pavement is a challenging task due to the limited resolution of ground penetrating radar (GPR) as well as small permittivity difference between top layers. Echoes backscattered from the…
Multiphase flow and complex flow regimes of asphalt-base crude oil with solid-state asphalt and gas presenting in submarine pipelines bring difficulty to the design and operation. For multiphase flow in risers, flow regimes are often very complex. So…
Asphaltene deposition is one of the key technical problems in the safe production and transportation of deepwater asphalt base crude oil. This paper analyzes the asphaltene deposition condition and its existence in deepwater crude oil pipeline system…
An asphalt binder (PG 64−22) is modified with a crystallizable copolymer of polypropylene (PP) and polyethylene (PE) to enhance its ability to resist rutting in flexible pavements during periods of warm weather. After cooling of binders from the…
Cathode-ray-tube (CRT) is the ingredient of glass used in obsolescent televisions or computer monitors. CRT glass contains a considerable amount of heavy metals, and the landfilling of CRT glass is significantly harmful to the environment. In an…
In the last decade, lignin has received much attention as a feedstock to produce bio-based products. This study investigates the potential benefits of using lignin to mitigate the environmental impact of the road construction sector. An environmental…
In the last couple of decades, studies have examined the potential environmental risks associated with reclaimed asphalt pavement (RAP) management through a range of approaches. Variable risk assessment methodologies and uncertainty on RAP behavior…
Hypothesis: Inorganic small particles stemming from mineral extraction (i.e. mining waste) could be used as additive for road paving applications to improve bitumen mechanical properties. Such an approach is expected to increase bitumen life-cycle…
Many articles have evaluated the effect of the addition of a wide range of plastic types on bitumen properties. Because each study presents unique characteristics—such as plastic pretreatment, plastic-type, mixing conditions, percentage of addition,…
Life cycle inventory (LCI) data for hot mix asphalt (HMA) concrete pavements is largely missing in Brazil, despite the fact that HMA is the material used in 99% of the Brazilian road network. To overcome this deficiency and carry out life cycle…
Novel resources can contribute to replacing asphalt with sustainable, flexible pavement options. In this study, asphalt was replaced by guayule resin as a bioresource by-product extracted during guayule natural rubber production. Crumb rubber…
Thermoreversible aging is an important factor leading to premature cracking in asphalt pavement. In order to better understant the contribution of various pure waxes in asphalt binder to thermoreversible aging, model asphalts are prepared with three…
The compatibility between crumb rubber (CR) and asphalt binder plays a key role in the storage stability and rheological performance of rubberized asphalt binder. This review provides a comprehensive overview of characteristics of rubberized asphalt…
Hard carbon anode materials for sodium ion batteries were prepared from petroleum pitch by air oxidation stabilization followed by carbonization. The effects of the oxidation stabilization temperature on the compositions and microstructures of the…
To study the phase structure of the SBS modified asphalt by considering the polymer characteristic of liner SBS molecular with different block ratios and concentrations on the molecular scale. A total of 18 molecular dynamics(MD) models were…
The present study explores the application potential of wood bio-oil (WBO) as a replacement to conventionally used asphalt binder in flexible pavements. The study considers three different dosages of WBO i.e., 0% (control), 2% (WBO_2%) and 4%…
Thermoreversible aging of asphalt is an important attribute that affects durability of flexible pavements. Compared to irreversible, oxidative hardening, the reversible aging effect due to the presence of wax and other contaminants is often…
Over the years, different hypotheses and speculations have been developed on asphaltenes, but their presence in asphalt has never been directly observed. In this study, asphaltenes in nine types of asphalt that vary in crude oil source and aging…
Rational pore structure and surface properties of carbon materials are significant for their practical application in supercapacitors (SCs). Pursuing a simple and costless synthesis approach is of great importance, yet full of challenges. Herein,…
Improving our understanding of air pollutant emissions from the asphalt industry is critical for the development and implementation of pollution control policies. In this study, the spatial distribution of potential maximum emissions of volatile…
To further develop the microscopic structure of asphalt, the new asphalt molecular model including 50 types of molecules was proposed. The dipole moment, molecular electrostatic potential, and HOMO-LUMO gap were calculated by quantum chemistry…
To study the phase structure of the SBS modified asphalt by considering the polymer characteristic of liner SBS molecular with different block ratios and concentrations on the molecular scale. A total of 18 molecular dynamics(MD) models were…
Thermoreversible aging of asphalt is an important attribute that affects durability of flexible pavements. Compared to irreversible, oxidative hardening, the reversible aging effect due to the presence of wax and other contaminants is often…
The application of asphalt materials in pavement engineering has been increasingly widespread and sophisticated over the past several decades. Variations in the properties of asphalt binder during mixing, transportation, and paving can affect the…
The peculiarities of the composition of natural bitumen from Russian Federation deposits give rise to further processing and transportation problems due to necessity of construction of processing units close to their production areas. In order to…
This study aims to quantify life-cycle carbon footprint of asphalt pavement due to warming temperatures under climate change scenario.Pavement Mechanistic-Empirical (ME) Design Method was used to simulate long-term pavement performance with historic…