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[HTML][HTML] Corrosion challenges in petroleum refinery operations: Sources, mechanisms, mitigation, and future outlook
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 …
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
Naphthenic acids (NAs) are compounds naturally present in most petroleum sources
comprised of complex mixtures with a highly variable composition depending on their origin …
comprised of complex mixtures with a highly variable composition depending on their origin …
Petroleomics by electrospray ionization FT-ICR mass spectrometry coupled to partial least squares with variable selection methods: prediction of the total acid number …
Negative-ion mode electrospray ionization, ESI (−), with Fourier transform ion cyclotron
resonance mass spectrometry (FT-ICR MS) was coupled to a Partial Least Squares (PLS) …
resonance mass spectrometry (FT-ICR MS) was coupled to a Partial Least Squares (PLS) …
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 …
degradation products, were investigated using two separation methodologies: solid-phase …
[HTML][HTML] Catalytic decarboxylation of naphthenic acids in crude oils
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 …
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 …
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 …
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 …
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 …
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 …
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
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 …
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
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 …
equipped with a bottom sparger (for bubbling a gas: H 2, N 2, steam) and a removable head …