Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Luis Javier Hoyos"'
Autor:
Rafael Cristóbal García Saravia, Carlos Efraín Roa Duarte, Juan Carlos Palomares Quintero, Orlando A. Medina, Jorge Mario Gámez, Julián Andrés Yaya Bravo, Luis Javier Hoyos Marín
Publikováno v:
CT&F Ciencia, Tecnología & Futuro, Vol 13, Iss 1, Pp 87-102 (2023)
This paper presents a mathematical model for planning optimization of the gas supply chain of a company that is a producer, trader, and gas consumer for its operations, but does not transport it, according to the guidelines of the Colombian governmen
Externí odkaz:
https://doaj.org/article/3d66c2eaa9304d7dbb2525475887a70c
Autor:
Arlex Chaves-Guerrero, Zhengdong Cheng, Mustaka Akbulut, Yuly-Fernanda López-Contreras, Luis-Javier Hoyos-Marín
Publikováno v:
CT&F - Ciencia, Tecnología y Futuro. 7:59-72
espanolRESUMEN Las fuerzas de adhesion entre asfalto y diferentes minerales fueron obtenidas empleando el microscopio de fuerza atomica (AFM). El AFM permite el estudio de la interaccion entre dos moleculas en la misma superficie o en interfaces y su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47df8d1a40f11feff7f1614ed0835e1c
https://doi.org/10.29047/01225383.65
https://doi.org/10.29047/01225383.65
Publikováno v:
Industrial & Engineering Chemistry Research. 55:54-63
Catalytic activity and selectivity of Ni, Pd, and Cu supported on γ-alumina catalysts for the 5-hydroxymethylfurfural hydrodeoxygenation in aqueous phase were studied in this work. The catalysts were prepared by incipient wetness impregnation and ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfee0a7c560041630fec39fa6f33e44e
https://doi.org/10.1021/acs.iecr.5b02851
https://doi.org/10.1021/acs.iecr.5b02851
Publikováno v:
Energy & Fuels, 30(1), 616-625. American Chemical Society
Chemically modified USY zeolites were obtained by ammonium nitrate (AN) treatment under hydrothermal conditions. AN treatment considerably enhanced the mesopore volume of the parent steam-treated zeolite. This treatment also caused the creation of ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a245124af3ffdc2700685f474d49c86
https://doi.org/10.1021/acs.energyfuels.5b02021
https://doi.org/10.1021/acs.energyfuels.5b02021
Publikováno v:
Fuel Processing Technology, 133, 89-96. Elsevier
The effect of hydrothermal treatment and mild acid leaching on the physico-chemical properties of zeolite Y and its vacuum gas oil hydrocracking performance was investigated. Ultra-stabilized Y (USY) zeolites were obtained by steam-calcination at 500
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0aaa7ae2047414265a8b6b1e09a2cc6a
https://doi.org/10.1016/j.fuproc.2015.01.011
https://doi.org/10.1016/j.fuproc.2015.01.011
Autor:
Sonia A. Giraldo, Luis Javier Hoyos, J.L. Agudelo Valderrama, Emiel J. M. Hensen, Brahim Mezari
Publikováno v:
Applied Catalysis. A, General, 488, 219-230. Elsevier
USY zeolite catalysts were chemically modified by treatment with aqueous solutions of sodium ethylenediaminetetraacetic acid (EDTA) to study the effect of removal of extraframework aluminum species (EFAl) on hydrocracking performance. The textural, s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::521a958314067d062ae17f0221dda015
https://doi.org/10.1016/j.apcata.2014.10.007
https://doi.org/10.1016/j.apcata.2014.10.007
Publikováno v:
In Studies in Surface Science and Catalysis 2000 130:2489-2494
Publikováno v:
Industrial & Engineering Chemistry Research. 52:12993-13005
This work presents the mathematical formulation of a nonlinear programming (NLP) model which optimizes simultaneously crude oil blending and operating conditions for a system of several crude oil distillation units (CDUs) at a Colombian refinery. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f07f991a1d9645d38df032a1c35b4553
https://doi.org/10.1021/ie4000344
https://doi.org/10.1021/ie4000344
Publikováno v:
CT&F - Ciencia, Tecnología y Futuro. 4:83-90
The Instituto Colombiano del Petróleo (ICP), has implemented a methodology for separating vacuum residue fractions using the technique of supercritical fluid extraction at the pilot scale. The present study evaluates the efficiency of extraction of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26a87fd8ade8fc5e40371f3cf736109b
https://doi.org/10.29047/01225383.286
https://doi.org/10.29047/01225383.286
Improvement of Crude Oil Refinery Gross Margin using a NLP Model of a Crude Distillation Unit System
Autor:
Luis Javier Hoyos, Sara Chaparro, Diana C. López, Harvey Arellano-Garcia, Ariel Uribe, Günter Wozny
This work presents a Non Linear Programming (NLP) model developed to optimize simultaneously a crude oil distillation unit (CDU) system and several cases of application run in a refinery as well. This model optimizes feedstock composition and operati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd68bbf0509bac21bbb4345d4d1d390f
https://doi.org/10.1016/b978-0-444-59520-1.50056-7
https://doi.org/10.1016/b978-0-444-59520-1.50056-7
