Search Results - "Barrera, María C"
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Highly active P-doped sulfided NiMo/alumina HDS catalysts from Mo-blue by using saccharose as reducing agents precursor
Published in Applied catalysis. B, Environmental (05-12-2018)“…[Display omitted] •Modification of Al2O3-supported NiMo by saccharose (SA) at various contents.•Hydrolyzed SA (monosaccharides)-Mo species charge transfer…”
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Benzothiophene hydrodesulfurization over NiMo/alumina catalysts modified by citric acid. Effect of addition stage of organic modifier
Published in Fuel processing technology (01-02-2017)“…NiMo/Al2O3 catalysts were obtained by one-pot simultaneous impregnation of Mo, Ni and P (at 12, 3 and 1.6 wt%, respectively) over alumina. Citric acid (CA) was…”
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3
Guaiacol HDO on La‐modified Pt/Al2O3: Influence of rare‐earth loading
Published in Canadian journal of chemical engineering (01-10-2023)“…The stability of the catalyst used in hydrodeoxygenation (HDO) of biomass‐derived oils needs improvement. La has been applied in delaying Al2O3 phase‐change…”
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4
Highly dispersed uniformly sized Pt nanoparticles on mesoporous Al-SBA-15 by solid state impregnation
Published in Applied catalysis. B, Environmental (21-07-2011)“…[Display omitted] ► 1 nm Pt nanoparticles are formed by a solid impregnation of Pt(acac)2 on Al-SBA-15 ► A near sublimation point, 180̊C, heat-treatment is…”
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5
Dibenzothiophene Hydrodesulfurization over P-CoMo on Sol-Gel Alumina Modified by La Addition. Effect of Rare-Earth Content
Published in Catalysts (01-04-2019)“…Alumina-lanthana (La at 1, 3, or 5 wt%) supports were prepared by sol-gel from Al alkoxide sol where La(NO3)3 was added. Annealed (550 °C) xerogels were…”
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NiMo/alumina hydrodesulphurization catalyst modified by saccharose: Effect of addition stage of organic modifier
Published in Canadian journal of chemical engineering (01-01-2016)“…NiMo/Al2O3 catalysts, obtained by one‐pot simultaneous impregnation, were modified by saccharose (SA, at Ni/SA = 1 mol ratio) addition. To address the…”
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Effect of ethyleneglycol addition on the properties of P-doped NiMo/Al2O3 HDS catalysts: Part I. Materials preparation and characterization
Published in Applied catalysis. B, Environmental (01-05-2009)“…Phosphorous-doped NiMo/Al2O3 hydrodesulfurization (HDS) catalysts (nominal Mo, Ni and P loadings of 12, 3, and 1.6wt%, respectively) were prepared using…”
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8
Thioresistant PdPt/Al/SBA-15 for Naphthalene Hydrogenation
Published in Industrial & engineering chemistry research (24-01-2024)“…Al-modified (chemical grafting) SBA-15 (SiO2/Al2O3 = 5 mass ratio) materials were used as noble metal (NM, monometallic Pt or Pd and bimetallic Pd/Pt = 4, 0.5…”
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9
Effect of Mo and Co loading in HDS catalysts supported on solvo-thermally treated ZrO2–TiO2 mixed oxides
Published in Catalysis today (01-04-2008)Get full text
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10
Naphthalene hydrogenation over Mg-doped Pt/Al2O3
Published in Catalysis today (2017)“…[Display omitted] •Alumina-magnesia supports (0.5–8wt% Mg) of high alkaline earth dispersion.•Enhanced surface basicity of mixed carriers by magnesia…”
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La-Modified SBA-15 Prepared by Direct Synthesis: Importance of Determining Actual Composition
Published in Catalysts (01-07-2024)“…Lanthanum (La) integration (at various nominal contents) in SBA-15 prepared under acidic medium was intended from corresponding direct nitrate addition during…”
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12
Cyclohexane Dehydrogenation over Wet-Impregnated Ni on Al2O3−TiO2 Sol−Gel Oxides
Published in Industrial & engineering chemistry research (02-08-2006)“…The effect of support composition, metal loading (∼10 and ∼20 wt %), and reduction temperature (573, 673, and 773 K) on the cyclohexane dehydrogenation…”
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13
Pharyngeal Arches, Chapter 2: Ear and Neck Abnormalities
Published in The Journal of craniofacial surgery (02-09-2024)“…The pharyngeal arches are the foundation of face and neck development. Impaired development of these embryologic structures can result in craniofacial…”
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14
Effect of solvo-thermal treatment temperature on the properties of sol-gel ZrO2-TiO2 mixed oxides as HDS catalyst supports
Published in Catalysis today (15-09-2006)Get full text
Conference Proceeding Journal Article -
15
Guaiacol HDO on La‐modified Pt/ Al 2 O 3 : Influence of rare‐earth loading
Published in Canadian journal of chemical engineering (01-10-2023)“…The stability of the catalyst used in hydrodeoxygenation (HDO) of biomass‐derived oils needs improvement. La has been applied in delaying Al 2 O 3 phase‐change…”
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Journal Article -
16
Fisiopatología de la sepsis por gram positivos
Published in Revista cuarzo (En línea) (30-06-2016)“…Las bacterias gram positivas vienen cobrando importancia como agentes etiológicos de la sepsis siendo algunos de principales representantes Staphylococcus…”
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Fisiopatología de la sepsis por bacterias gram negativas: bases moleculares
Published in Revista cuarzo (En línea) (15-12-2015)“…La sepsis constituye un complejo síndrome en el que a consecuencia de una respuesta anómala del huésped frente a una infección se desencadenan una serie de…”
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Asociación entre características sociodemográficas, estructura familiar y embarazo en adolescentes
Published in Revista cuarzo (En línea) (15-12-2015)“…Actualmente el embarazo en adolescentes es considerado un problema de salud pública que puede estar relacionado con características sociodemográficas y tipos…”
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Naphthalene hydrogenation over Mg-doped Pt/Al 2 O 3
Published in Catalysis today (01-11-2017)Get full text
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20
Dibenzothiophene HDS Over Sulphided CoMo on High-Silica USY Zeolites
Published in Canadian journal of chemical engineering (01-08-2005)“…USY faujasites (SiO2/Al2O3 = 12, 30 and 80) were used as hydrodesulphurization (HDS) catalyst supports. Mo, Co and P were impregnated at two concentrations:…”
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