Search Results - "Araujo, Antonio Souza"
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Thermal and catalytic pyrolysis of sunflower oil using AlMCM-41
Published in Renewable energy (01-02-2017)Get full text
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Evaluation of the kinetic and thermodynamic parameters in catalytic pyrolysis process of sunflower oil using Al-MCM-41 and zeolite H-ZSM-5
Published in Fuel (Guildford) (01-02-2023)“…•The pyrolysis of sunflower oil was performed in the presence of H-ZSM-5 and Al-MCM-41.•The apparent activation energies of sunflower oil using the FWO, KAS…”
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PYROLYSIS of glycerol with modified vermiculite catalysts: Kinetic and PY-GC/MS
Published in Journal of thermal analysis and calorimetry (30-09-2019)“…Sodium and activated vermiculites were applied as catalysts in the pyrolysis of glycerol. The physical–chemical characterization showed that acid treatment…”
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Kinetics of the thermal decomposition of coke formed on ZnO/H-BEA catalyst in the transformation of 2-methylthiophene in n-hexane stream
Published in Journal of thermal analysis and calorimetry (01-05-2023)“…Combustion kinetic data of the coke present in FCC catalysts and additives are important for developing industrial regenerator simulations. In this work, the…”
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PYROLYSIS of glycerol with modified vermiculite catalysts
Published in Journal of thermal analysis and calorimetry (01-09-2019)“…Sodium and activated vermiculites were applied as catalysts in the pyrolysis of glycerol. The physical-chemical characterization showed that acid treatment…”
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Influence of the purification process on the stability of Jatropha curcas biodiesel
Published in Journal of thermal analysis and calorimetry (01-02-2017)“…The aim of this work was to evaluate the influence of the purification process on the stability of Jatropha curcas biodiesel. The biodiesel was obtained using…”
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Kinetic study on the thermal degradation of heavy oil in presence of SBA-15 containing aluminum and cerium
Published in Petroleum science and technology (03-07-2017)“…In research for materials that can be applied in processing heavy oil (petroleum), this work proposes to synthesize mesoporous heterogeneous catalysts, type…”
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Thermal and catalytic pyrolysis of vacuum gas oil using HZSM-5: TG and PY-CG/MS study
Published in Petroleum science and technology (01-02-2016)“…The zeolite HZSM-5, was synthesized in the absence of an organic template. The characterization of zeolite HZSM-5 was performed by X-ray diffraction, N 2…”
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Comparative study of oxidative stability of sunflower and cotton biodiesel through P-DSC
Published in Journal of thermal analysis and calorimetry (01-11-2011)“…Biodiesel can contain unsaturated fatty acids, which are susceptible to oxidation, being able to change into polymerized compounds. Oxidative stability is very…”
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Journal Article Conference Proceeding -
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Thermo gravimetric kinetics of polypropylene degradation on ZSM-12 and ZSM-5 catalysts
Published in Catalysis today (30-10-2005)“…The growth in waste plastics discarded each year is causing significant environmental problems. Polypropylene, mainly used to make car parts, pieces of…”
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Journal Article Conference Proceeding -
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Iodeto de potássio suportado em peneiras moleculares mesoporosas (SBA-15 e MCM-41) como catalisador básico para síntese de biodiesel
Published in Química Nova (2012)“…Iodide potassium incorporated on mesoporous molecular sieves (SBA-15 and MCM-41) was used as heterogeneous catalysts in the transesterification of sunflower…”
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Does plant species richness guarantee the resilience of local medical systems? A perspective from utilitarian redundancy
Published in PloS one (20-03-2015)“…Resilience is related to the ability of a system to adjust to disturbances. The Utilitarian Redundancy Model has emerged as a tool for investigating the…”
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Alumina-supported potassium compounds as heterogeneous catalysts for biodiesel production: A review
Published in Renewable & sustainable energy reviews (01-06-2016)“…Alumina-supported potassium oxides are promising catalysts for the transesterification reaction of vegetable oils for biodiesel production. Various potassium…”
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Pirólise catalítica do PEBD usando como catalisador a vermiculita modificada
Published in Polímeros (01-01-2016)“…Resumo O polietileno de baixa densidade (PEBD) é um dos polímeros mais usados atualmente, e a grande quantidade desse polímero produzida resulta em toneladas…”
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Thermal and thermocatalytic degradation of Desmodesmus SP. microalgae with HBeta 38
Published in Fuel (Guildford) (01-06-2024)“…•Explore sustainable energy from microalgae thermal conversion using HBeta 38 zeolites.•Zeolite HBeta 38structure confirmed and active in pyrolysis…”
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Experimentation with psychoactive substances by public school students
Published in Revista de saúde pública (01-01-2017)“…To analyze the prevalence of exposure to psychoactive substances in public students of basic education and its association with sociodemographic…”
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Effect of acidity in the removal-degradation of benzene in water catalyzed by Co-MCM-41 in medium containing hydrogen peroxide
Published in Microporous and mesoporous materials (01-03-2018)“…In this manuscript, MCM-41 and Co-MCM-41 were synthesized to evaluate the effect of the metal incorporated in the structure of the mesoporous material used in…”
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The role of acidity in fatty acid esterification with heterogeneous silica catalysts impregnated with Zr and sulfates
Published in Energy & environment (Essex, England) (04-07-2023)“…The esterification reaction of oleic acid using heterogeneous catalysts can be a promising alternative for the production of biodiesel. This study proposed to…”
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Medication adherence of elderly in Porto Alegre, RS
Published in Ciência & saude coletiva (01-04-2008)“…Polipharmacy and medication non-adherence are problems faced frequently in the treatment of elderly patients. An exploratory cross-sectional study and…”
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Synthesis, characterization and evaluation of niobium catalysts in the flash pyrolysis of glycerol
Published in Solid state sciences (01-11-2019)“…Niobium catalysts supported on sodium vermiculite (Nb2O5/V0) and vermiculite treated with hydrochloric acid (Nb2O5/V3) were prepared by the incipient…”
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