Advances and challenges in the molecular characterization of petroporphyrins
AM McKenna, ML Chacón-Patiño… - Energy & …, 2021 - ACS Publications
Petroporphyrins, geoporphyrins, or metalloporphyrins are the original petroleum biomarkers,
identified by Alfred Treibs more than a century ago and the first molecular evidence for the …
identified by Alfred Treibs more than a century ago and the first molecular evidence for the …
Analytics driving kinetics: advanced mass spectrometric characterization of petroleum products
A Bojkovic, FH Vermeire, M Kuzmanovic… - Energy & …, 2021 - ACS Publications
The current state-of-the-art analysis techniques for petroleum fractions has progressed
substantially during the past decade. This has helped to further improve the lumping …
substantially during the past decade. This has helped to further improve the lumping …
Understanding asphaltene fraction behavior through combined quartz crystal resonator sensor, FT-ICR MS, GPC ICP HR-MS, and AFM characterization. Part I …
Multiscale characterization of asphaltenes and their extrography fractions titrated with n-
heptane was performed. Chemical characterization via FT-ICR MS and GPC ICP HR-MS …
heptane was performed. Chemical characterization via FT-ICR MS and GPC ICP HR-MS …
Aggregation of asphaltene subfractions A1 and A2 in different solvents from the perspective of molecular dynamics simulations
O Villegas, G Salvato Vallverdu, B Bouyssiere… - Energy & …, 2023 - ACS Publications
The aggregation behavior of model molecules of asphaltene subfractions A1 and A2
dissolved in heptane, toluene, and tetrahydrofuran (THF) were studied using molecular …
dissolved in heptane, toluene, and tetrahydrofuran (THF) were studied using molecular …
Understanding the removal of V, Ni and S in crude oil atmospheric residue hydrodemetallization and hydrodesulfurization
V Garcia-Montoto, S Verdier, Z Maroun… - Fuel Processing …, 2020 - Elsevier
This study describes the use of gel permeation chromatography inductively coupled plasma
high-resolution mass spectrometry (GPC ICP HRMS) to examine and explain two important …
high-resolution mass spectrometry (GPC ICP HRMS) to examine and explain two important …
Ultrasound-Assisted Sequential Extraction for Lignocellulose Pyrolysis Bio-Oil Fractionation. Part I: Method Development
The work herein presents a novel ultrasound-assisted sequential extraction (UASE) method
for fractionating bio-oils derived from lignocellulosic biomass pyrolysis. The fractionation …
for fractionating bio-oils derived from lignocellulosic biomass pyrolysis. The fractionation …
Study of Very High Molecular Weight Cluster Presence in THF Solution of Asphaltenes and Subfractions A1 and A2, by Gel Permeation Chromatography with …
Super high-molecular-weight (SHMW) asphaltene aggregates, hereafter called asphaltene
clusters, have been observed for the first-time using gel permeation chromatography with …
clusters, have been observed for the first-time using gel permeation chromatography with …
Development of a Methodology Using GPC-ICP HR MS for Analysis of the Adsorption of Asphaltene Aggregates on SiO2 Nanoparticles
The aggregation and adsorption of asphaltenes is of great interest due to their negative
effects on the oil industry. Asphaltenes form aggregates, even at low concentrations …
effects on the oil industry. Asphaltenes form aggregates, even at low concentrations …
Simplification of Heavy Matrices by Liquid–Solid Extraction: Part II—How to Separate the LMW, MMW, and HMW Compounds in Asphaltene Fractions for V, Ni, and S …
A method of sequential liquid–solid extraction (leaching) has been developed to extract the
V, Ni, and S compounds present in asphaltenes (n-C7) according to their molecular weight …
V, Ni, and S compounds present in asphaltenes (n-C7) according to their molecular weight …
Past to Future: Application of Gel Permeation Chromatography from Petroleomics and Metallopetroleomics to New Energies Applications: A Minireview
In the field of petroleomics and metallopetroleomics, the gel permeation chromatography
(GPC) technique coupled with high-resolution detection technologies has made significant …
(GPC) technique coupled with high-resolution detection technologies has made significant …