Investigation of relationships between petroleum properties and their impact on crude oil compatibility

D Stratiev, I Shishkova, A Nedelchev, K Kirilov… - Energy & …, 2015 - ACS Publications
Twenty-two crude oils around the world, from which 19 are processed in the LUKOIL
Neftohim Burgas (LNB) refinery, were characterized in the LNB research laboratory by …

Повышение эффективности процесса перегонки нефти на НПЗ путем предварительного оптимального смешения сырья (обзор)

ЕА Чернышева, ИВ Пискунов, ВМ Капустин - Нефтехимия, 2020 - elibrary.ru
В статье приводятся современные представления о нефтях и нефтепродуктах, как о
нефтяных дисперсных системах, а также о связанных с этим возможностях …

Investigation of relations between properties of vacuum residual oils from different origin, and of their deasphalted and asphaltene fractions

D Stratiev, I Shishkova, T Tsaneva, M Mitkova… - Fuel, 2016 - Elsevier
Abstract 36 vacuum residual oils, obtained from all available groups of crude oils in the
world along with their deasphalted oils and their asphaltene fractions have been …

Commercial ebullated bed vacuum residue hydrocracking performance improvement during processing difficult feeds

BE Georgiev, DS Stratiev, GS Argirov, A Nedelchev… - Applied Sciences, 2023 - mdpi.com
The Urals and Siberian vacuum residues are considered difficult to process in the ebullated
bed hydrocracking because of their increased tendency to form sediments. Their achievable …

Surrogate formulation and molecular characterization of sulfur species in vacuum residues using APPI and ESI FT-ICR mass spectrometry

AGA Jameel, ABS Alquaity, F Campuzano, AH Emwas… - Fuel, 2021 - Elsevier
Vacuum residues (VR) are the bottom of the barrel products left after vacuum distillation of
crude oils. VR are primarily used as feedstock for production of syn-gas and hydrogen via …

What is behind the high values of hot filtration test of the ebullated bed residue H-Oil hydrocracker residual oils?

D Stratiev, R Dinkov, I Shishkova, I Sharafutdinov… - Energy & …, 2016 - ACS Publications
This work summarizes the results of multiple experiments performed in the LUKOIL Neftohim
Burgas Research Laboratory related to the issue of high values of hot filtration test (HFT) of …

Catalytic cracking of diverse vacuum residue hydrocracking gas oils

D Stratiev, I Shishkova, M Ivanov… - Chemical …, 2021 - Wiley Online Library
Ten gas oils and one deasphalted hydrocracked vacuum residue obtained from ebullated‐
bed vacuum residue hydrocracking have been cracked in a laboratory advanced catalyst …

Catalytic vacuum residue upgrading under methane: Evaluation of process feasibility, stability and versatility

H Xu, Y Song, Y Zhang, H Song - Fuel, 2022 - Elsevier
The better utilization of low-quality oil resources is becoming more and more crucial for
sustainable development due to the depletion of conventional petroleum resources and …

Visbreaking of vacuum residue deasphalted oil: New asphaltenes formation

Y Yan, A de Klerk, GHC Prado - Energy & Fuels, 2020 - ACS Publications
The formation of new heavier material during thermal processing has long been known, and
under typical visbreaking conditions, vacuum conversion of deasphalted oil is described …

[PDF][PDF] INVESTIGATION ON PRECISION OF DETERMINATION OF SARA ANALYSIS OF VACUUM RESIDUAL OILS FROM DIFFERENT ORIGIN.

D Stratiev, I Shishkova, R Nikolova, T Tsaneva… - Petroleum & Coal, 2016 - vurup.sk
This study examines the repeatability of SARA analysis performed in LUKOIL Neftohim
Burgas Research Laboratory of straight run and H-Oil unconverted vacuum residual oils …