[HTML][HTML] Corrosion challenges in petroleum refinery operations: Sources, mechanisms, mitigation, and future outlook

AH Al-Moubaraki, IB Obot - Journal of Saudi Chemical Society, 2021‏ - Elsevier
Corrosion is one of the most important challenges facing petroleum refineries. It has
received wide attention in recent decades due to the continued dependence of the global …

Naphthenic Acids: Formation, Role in Emulsion Stability, and Recent Advances in Mass Spectrometry‐Based Analytical Methods

R Facanali, NA Porto, J Crucello… - Journal of analytical …, 2021‏ - Wiley Online Library
Naphthenic acids (NAs) are compounds naturally present in most petroleum sources
comprised of complex mixtures with a highly variable composition depending on their origin …

Characterization of Naphthenic Acids in Thermally Degraded Petroleum by ESI(−)-FT-ICR MS and 1H NMR after Solid-Phase Extraction and Liquid/Liquid Extraction

EV Barros, HP Dias, FE Pinto, AO Gomes… - Energy & …, 2018‏ - ACS Publications
Naphthenic acids (NAs), present in a typical Brazilian acid crude oil and its thermal
degradation products, were investigated using two separation methodologies: solid-phase …

[HTML][HTML] Catalytic decarboxylation of naphthenic acids in crude oils

HP Dias, GR Gonçalves, JCC Freitas, AO Gomes… - Fuel, 2015‏ - Elsevier
Naphthenic acids are recognized as the main corrosive species in acidic crude oils,
although they represent less than 3 wt%. Alternative methods have been developed in an …

[HTML][HTML] Monitoring the degradation and the corrosion of naphthenic acids by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry and …

HP Dias, TMC Pereira, G Vanini, PV Dixini, VG Celante… - Fuel, 2014‏ - Elsevier
Although the term “naphthenic acids” was originally used to describe acids that contain
naphthenic rings, today this term is used in a more general sense and refers to all …

Residual carboxylic acids (nonpyrolytic) in mudstones and their implications and constraints on sandstone diagenesis, Bozhong Depression, offshore Bohai Bay …

H Li, Q Wang, X Du, X Yang, H Zhu - Organic Geochemistry, 2021‏ - Elsevier
Nonpyrolytic residual carboxylic acids were measured in Paleogene mudstones (0.60%< R
o< 0.88%) from the Bozhong Depression, offshore Bohai Bay Basin (East China). These …

Study of the corrosive behavior of the AISI 1020 steel in acid crude oil by microscopic techniques (LM, AFM and SEM/EDX) and Raman spectroscopy

HP Dias, EV Barros, CMS Sad… - Journal of the Brazilian …, 2018‏ - SciELO Brasil
Microscopic techniques were combined to study the influence of corrosion rate on the
morphologic behavior of AISI 1020 steel specimens submitted to thermal degradation of a …

[HTML][HTML] Computational thermodynamic analysis of secondary phases in super ferritic stainless steels

LB Moura, HFG de Abreu, YS Negreiros - Journal of Materials Research …, 2013‏ - Elsevier
Super ferritic steels belong to a family of steels with Cr content greater than 25% and which
also have Mo in their compositions. They were first developed for use in heat exchangers …

Non-catalytic thermal decomposition of naphthenic acids of petroleum crudes

M Busto, CR Vera - Brazilian Journal of Chemical Engineering, 2022‏ - Springer
The thermal decomposition of naphthenic acids was carried out in a 50 mL glass vessel
equipped with a bottom sparger (for bubbling a gas: H 2, N 2, steam) and a removable head …