Results 61 to 70 of about 4,522 (119)
Determinación de vanadio por espectrometría de absorción atómica en fuel oils
El vanadio, uno de los contaminantes fundamentales presente en los crudos, causa serios problemas en los procesos de refinación del petróleo, ya que envenena el catalizador utilizado en el craqueo.
Jorge L. Gómez Pascual +5 more
doaj
This paper describes how the deasphalted oil (DAO) or demetalized oil (DMO) quality (CCR, Ni, V and asphaltenes contents) changes with: DAO or DMO yield, solvent/feed ratio, type of vacuum resid ( from paraffinic to blends with visbreaking bottoms ...
J. A CARRILLO +3 more
doaj
This work shows the development of a technique for biological removal of barium from production waters. This technology, called stratified microbial associations (SMA), was evaluated at laboratory and bench scale levels.
L. I. MOGOLLÓN +3 more
doaj
SISTEMA DE HOMOGENIZACIÓN Y CONTROL DE VISCOSIDAD DEL COMBUSTÓLEO
Fuel oil is a refinery by-product with a big economical effect due to its high production volumen, diluent use and market specifications based on low viscosity and low sulfur content.
J. L GROSSO V. +3 more
doaj
VALORACIONES FÍSICO-QUÍMICA MINERALÓGICA DE ROCA SELLO Y NÚCLEOS PARA LA EXTRACCIÓN DE PETRÓLEO
The general objective of this study is to analyze the seal rock, cores and oil. The analytical techniques used for these effects were: Infrared (IR) spectroscopy, to know qualitative and quantitative composition of elements that make up the phases, X-ray
Freya González +2 more
doaj
A more detailed geomorphological study compared to the previous ones was carried out in order to demarcate the potential areas for petroleum exploration. A diagram that integrates geological, geomorphological and geophysical results was prepared.
María Victoria Pérez-Peña +3 more
doaj
La franja norte de crudos pesados representa la fuente principal de hidrocarburos cubanos. Sobre los reservorios se reportan varios espesores arcillosos.
Carlos Morales-Echevarría +4 more
doaj
Algunos aceites lubricantes están compuestos por aditivos antioxidantes fenólicos; garantizar la concentración adecuada de éstos asegura una operación eficiente de la maquinaria y su durabilidad.
Yumirka Comesaña García +5 more
doaj
[Classification and characterization of exposure among artisanal fishers to the oil spill in Pernambuco, Brazil]. [PDF]
Gonçalves JE +5 more
europepmc +1 more source
A novel chronostratigraphic framework for the Aptian-Albian paleoclimate events. [PDF]
Ramos JMF +11 more
europepmc +1 more source

