Variation of oxidation reactivity of straight run and H-Oil hydrocracked vacuum residual oils in the process of road asphalt production
Source abstract
Abstract
Four straight run vacuum residual oils (SRVRO) and five H-Oil hydrocracked vacuum residual oils (H-Oil VTB) and their blends were oxidized in a laboratory autoclave reactor. It was found that the addition of H-Oil VTB to the SRVRO increases the oxidation rate of the SRVRO, which leads to a higher rate of asphaltenes formation, and subsequently higher rate of softening point increasing. The oxidation rate expressed by the rate of softening point increasing with oxidation time prolonging of the blends SRVRO/H-Oil VTB linearly correlates with the colloidal instability index (CII) of the H-Oil VTB. The oxidation rate of the SRVRO was also found to correlate with the CII of the SRVRO. Inhibiting the oxidation process for the road asphalt containing H-Oil VTB by improvement the colloidal stability and compatibility of the blend can allow increasing the share of the H-Oil VTB in the feed for production of road asphalt.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Petroleum Processing and Analysis · Enhanced Oil Recovery Techniques · Asphalt Pavement Performance Evaluation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
LUKOIL Neftohim Burgas, Burgas, Bulgaria
University Prof. Dr. Assen Zlatarov, Burgas, Bulgaria
Free lance engineer, Burgas, Bulgaria
CTK Euro, Moscow, Russia
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