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Production of Bitumen from Fuel Oil and Its Fractions
Saule Bukanova1, Gulbarshin Shambilova1,2, Fazilat Kairliyeva1
1Institute of Petrochemical Engineering and Ecology Named After N.K. Nadirov, Atyrau University of Oil and Gas Named After Safi Utebayev, Atyrau 060027, Kazakhstan.
Materials (Basel, Switzerland)
|May 4, 2026
Summary
Optimizing gas oil extraction depth from fuel oil produces road bitumen meeting multiple standards. This process enhances bitumen's resistance to thermal-oxidative aging by controlling feedstock viscosity.
Area of Science:
- Petroleum Engineering
- Materials Science
Background:
- Road bitumen production relies on processing heavy residues from fuel oil.
- Understanding the impact of feedstock properties on final bitumen quality is crucial for meeting industry standards.
- Oxidation kinetics significantly influence bitumen performance and durability.
Purpose of the Study:
- To investigate how the depth of gas oil fraction extraction from fuel oil affects road bitumen properties.
- To establish a correlation between the chemical composition of heavy residues and their oxidation kinetics.
- To determine an optimal processing window for non-standard feedstock to produce high-performance bitumen.
Main Methods:
- Experimental extraction of gas oil fractions at varying depths.
- Analysis of the seven-component chemical group composition of heavy residues.
- Measurement of physicochemical and performance properties of the resulting bitumen.
- Evaluation of oxidation kinetics and thermal-oxidative aging resistance.
Main Results:
- Bitumen produced from feedstock with a nominal viscosity (VU80) between 20-80 s (480-525 °C fractions) meets ASTM D946, EN 12591, and ST RK 1373 standards.
- A specific "viscosity range" for processing non-standard feedstock was identified.
- The study established a link between feedstock chemical composition and oxidation behavior.
- Optimized extraction depth leads to improved resistance to thermal-oxidative aging.
Conclusions:
- Controlling gas oil extraction depth is key to producing high-quality road bitumen from specific feedstock.
- An optimal feedstock viscosity range ensures compliance with international and national bitumen standards.
- The findings provide a scientific basis for processing non-standard feedstocks, enhancing bitumen durability and performance.
Keywords:
brittlenessconditional viscosityductilityoxidation of fuel oilpenetrationroad bitumensampling depthMore Related Videos
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