Search Results - "Rochel Montero Lago"

Amphiphilic acid carbon catalysts produced by bio-oil sulfonation for solvent-free glycerol ketalization by Carvalho Ballotin, Fabiane, da Silva, Márcio José, Paula de Carvalho Teixeira, Ana, Montero Lago, Rochel

“…Herein, an efficient amphiphilic carbon catalyst produced by the reaction of bio-oil with sulfuric acid was used for the first time for the solvent-free…”
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Calcium ferrites for phosphate adsorption and recovery from wastewater by Araújo, Matheus Henrique Pimentel, Ardisson, José Domingos, Krohling, Alisson Carlos, Lago, Rochel Montero, Guimarães Júnior, Walber, Tristão, Juliana Cristina

“…In this study, calcium ferrites with different Ca : Fe atomic ratios (1 : 1, 1 : 2, 1 : 3 and 2 : 1) were prepared from Ca and Fe nitrates treated at 300, 700…”
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PROGRAMAS DE ACELERAÇÃO DE TECNOLOGIAS QUÍMICAS EM UNIVERSIDADES: IMPORTÂNCIA PARA A FORMAÇÃO DE QUÍMICOS EMPREENDEDORES, LICENCIAMENTO DE TECNOLOGIAS E CRIAÇÃO DE STARTUPS by dos Santos, Yasmim Rodrigues, Pereira, Rafaela Leal, Barbosa, Eduarda Rezende, Teixeira, Ana Paula de Carvalho, Lago, Rochel Montero, de Paula, Fabiano Gomes Ferreira

“…CHEMICAL TECHNOLOGY ACCELERATION PROGRAMS IN UNIVERSITIES: IMPORTANCE FOR THE TRAINING OF ENTREPRENEUR CHEMISTS, TECHNOLOGY LICENSING AND STARTUPS CREATION…”
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Acetalization of β-citronellal Over a Renewable Carbon Catalyst Obtained from Bio-Oil Sulfonation: A Green Route to Obtain Valuable Feedstocks by Lopes, Neide Paloma Gonçalves, Ballotin, Fabiane Carvalho, de Carvalho Teixeira, Ana Paula, Lago, Rochel Montero, da Silva, Márcio José

“…In this work, an efficient renewable carbon catalyst obtained by bio-oil sulfonation was used for the first time to produce terpene acetals by condensation of…”
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Iron Oxide Nanoparticles Supported on Mesoporous MCM-41 for Efficient Adsorption of Hazardous β-Lactamic Antibiotics by Salviano, Adriana Barbosa, Santos, Mariana Rocha Dutra, de Araújo, Laura Maia, Ardisson, Jose Domingos, Lago, Rochel Montero, Araujo, Maria Helena

“…In this work, the effect of crystallite size, defects, and surface area of iron oxyhydroxide particles supported on mesoporous MCM-41 on the adsorption of…”
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Natural Mg silicates with different structures and morphologies: Reaction with K to produce K2MgSiO4 catalyst for biodiesel production by Ballotin, Fabiane Carvalho, Nascimento, Mayra, Vieira, Sara Silveira, Bertoli, Alexandre Carvalho, Carmignano, Ottávio, Teixeira, Ana Paula de Carvalho, Lago, Rochel Montero

“…In this work, different magnesium silicate mineral samples based on antigorite, lizardite, chrysotile (which have the same general formula Mg 3 Si 2 O 5…”
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Sulfonated polystyrene: A catalyst with acid and superabsorbent properties for the esterification of fatty acids by Vieira Grossi, Camila, de Oliveira Jardim, Erika, de Araújo, Maria Helena, Lago, Rochel Montero, da Silva, Márcio José

“…In this work, catalysts with acid and superabsorbent properties were obtained by sulfonation of expanded polystyrene and used to promote the esterification of…”
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Surface chemical modification of polypropylene fiber waste by H₂SO₄: Mechanistic investigation and application as cation-exchange adsorbent by Matos, Jamerson Peixoto, Sansiviero, Maria Terezinha Caruzo, Lago, Rochel Montero

“…In this work, polypropylene (PP) fiber waste was modified by the reaction with concentrated H₂SO₄. IR, TG, Raman, CHN, acid titration, SEM, and XRD suggested…”
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Modification of vermiculite by polymerization and carbonization of glycerol to produce highly efficient materials for oil removal by de Araújo Medeiros, Miguel, Sansiviero, Maria T.C., Araújo, Maria Helena, Lago, Rochel Montero

“…Impregnation and reaction of glycerol (Gly) on the surface of expanded vermiculite (EV) was used to produce a highly efficient absorbent to remove water…”
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Escalonamento de tecnologias: desenvolvimento de produto e processo do laboratório à escala piloto conectado ao mercado (parte 1) by Elimar Pires Vasconcellos, Priscila Maria Teixeira Gonçalves de Souza, Marcella Rocha Franco, Vinícius Gomide de Castro, Lorena Viana Souza, Rochel Montero Lago, Marcelo Gomes Speziali

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Use of the glycerol by-product of biodiesel to modify the surface of expanded vermiculite to produce an efficient oil absorbent by de Araújo Medeiros, Miguel, de Oliveira, Danielle Leite, Sansiviero, Maria T. C., Araújo, Maria Helena, Lago, Rochel Montero

“…BACKGROUND: Glycerol (Gly) a by‐product from biodiesel production was impregnated onto the surface of expanded vermiculite (EV) and reacted to produce a highly…”
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Application of Fenton’s reagent to regenerate activated carbon saturated with organochloro compounds by Toledo, Luciana Cássia, Silva, Ana Cláudia Bernardes, Augusti, Rodinei, Lago, Rochel Montero

“…In this work Fenton’s reagent was used to treat activated carbon saturated with organochloro compounds for the oxidation of the adsorbed contaminants and the…”
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Natural gas storage in microporous carbon obtained from waste of the olive oil production by Solar, Cecilia, Sardella, Fabiana, Deiana, Cristina, Lago, Rochel Montero, Vallone, Andrea, Sapag, Karim

“…A series of activated carbons (AC) were prepared from waste of the olive oil production in the Cuyo Region, Argentine by two standard methods: a) physical…”
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Formation of Highly Reactive Species at the Interface Fe°–Iron Oxides Particles by Mechanical Alloying and Thermal Treatment: Potential Application in Environmental Remediation Processes by Moura, Flávia Cristina Camilo, Oliveira, Grazielli Cristina, Araujo, Maria Helena, Ardisson, José Domingos, Macedo, Waldemar Augusto de Almeida, Lago, Rochel Montero

“…In this work, the formation of highly reactive species at the interface of Fe°/iron oxides mixtures, i.e., Fe3O4, γ-Fe2O3, or α-Fe2O3 prepared by mechanical…”
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LaMn1-xFe xO3 and LaMn0.1-xFe0.90Mo x O3 perovskites: synthesis, characterization and catalytic activity in H2O2 reactions by Magalhães, Fabiano, Moura, Flavia Cristina Camilo, Ardisson, José Domingos, Lago, Rochel Montero

“…In this work two perovskites were prepared: LaMn1-xFe xO3, and LaMn0.1-x Fe0.90Mo xO3. XRD and Mössbauer spectroscopy suggest the formation of pure phase…”
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Tuning the surface properties of biochar by thermal treatment by Mendonça, Fernanda Gomes de, Cunha, Igor Tadeu da, Soares, Ricardo Reis, Tristão, Juliana Cristina, Lago, Rochel Montero

“…•Surface properties of biochars can be tuned by simple thermal treatment.•Strong increase on surface area are related to formation of nanographene…”
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Controlled reduction of LaFe xMn yMo zO3/Al2O3 composites to produce highly dispersed and stable Fe0 catalysts: a Mössbauer investigation by Tristão, Juliana Cristina, Pereira, Márcio César, Moura, Flávia Cristina Camilo, Fabris, José Domingos, Lago, Rochel Montero

“…In this work, controlled reduction of perovskites supported on Al2O3 was used to prepare thermally stable nanodispersed iron catalysts based on…”
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Heterogeneous acid catalyst based on sulfated iron ore tailings for oleic acid esterification by Prates, Caroline Duarte, Ballotin, Fabiane Carvalho, Limborço, Henrique, Ardisson, José Domingos, Lago, Rochel Montero, Teixeira, Ana Paula de Carvalho

“…[Display omitted] •Mining waste was used as iron source to produce sulfated iron oxide catalysts.•Three methods were used: (NH4)2SO4 grinding, (NH4)2SO4 and…”
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Experiments on Heterogeneous Catalysis Using a Simple Gas Chromatograph by Fagundes do Amaral, Luis Otávio, Lago, Rochel Montero, Moura, Flávia Cristina Camilo, Pinto, Frederico Garcia, dos Santos, Eduardo Nicolau

“…Complex experiments in heterogeneous catalysis, carried out using a simple gas chromatograph (GC), are described. The catalyst is placed inside the GC injector…”
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Solid acid catalysts based on sulfonated carbon nanostructures embedded in an amorphous matrix produced from bio-oil: esterification of oleic acid with methanol by Ballotin, Fabiane Carvalho, da Silva, Márcio José, Lago, Rochel Montero, Teixeira, Ana Paula de Carvalho

“…[Display omitted] •Bio-oil can be converted under mild conditions in an efficient acid catalyst.•Catalyst is based on carbon nanostructures embedded in…”
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