Search Results - "José Roberto Guimarães"

Evaluation of residual antimicrobial activity and acute toxicity during the degradation of gatifloxacin by ozonation by Caianelo, Marlon, Rodrigues-Silva, Caio, Maniero, Milena Guedes, Diniz, Vinicius, Spina, Mylena, Guimarães, José Roberto

“…Abstract The concerns regarding the occurrence of pharmaceuticals in wastewater treatment plants have increased in the last decades. Gatifloxacin (GAT), the…”
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Degradation of benzimidazoles by photoperoxidation: metabolites detection and ecotoxicity assessment using Raphidocelis subcapitata microalgae and Vibrio fischeri by Venancio, Wilson Augusto Lima, Rodrigues-Silva, Caio, Spina, Mylena, Diniz, Vinicius, Guimarães, José Roberto

“…Benzimidazoles (BZ) are among the most used drugs to treat parasitic diseases in both human and veterinary medicine. In this study, solutions fortified with…”
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Ammonia removal from landfill leachate by struvite formation: an alarming concentration of phosphorus in the treated effluent by Tonetti, Adriano Luiz, de Camargo, Cristal Coser, Guimarães, José Roberto

“…This study examined the removal of ammonia nitrogen from the leachate of a landfill site using the chemical precipitation of struvite (MgNH PO .6H O). This…”
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An Alternative to Avrami Equation by Guimarães, José Roberto Costa, Rios, Paulo Rangel, Alves, André Luiz Moraes

“…This paper proposes an alternative to the Avrami equation capable of describing whole transformation curves with significant fitting-correlations. The model…”
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Martensite Transformation Intergrain and Intragrain Autocatalysis in Fe-Ni alloys by Guimarães, José Roberto Costa, Rios, Paulo Rangel

“…This work presents a consolidated view of the autocatalysis, thermal and entropic effects in martensitic transformation of polycrystalline Fe-31wt%Ni-0.02wt%C,…”
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Microstructural Path Analysis of Martensite Dimensions in FeNiC and FeC Alloys by Guimarães, José Roberto Costa, Rios, Paulo Rangel

“…The properties of steels that undergo martensite transformation after or during processing depend on characteristics and arrangement of martensite units within…”
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Autocatalysis, Entropic Aspects and the Martensite Transformation Curve in Iron-Base Alloys by Guimarães, José Roberto Costa, Rios, Paulo Rangel

“…This study advances a methodology that consolidates the description of time-dependent (isothermal) as well as time-independent (athermal) martensitic…”
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Athermal Martensite Transformation Curve by Rios, Paulo Rangel, Guimarães, José Roberto Costa

“…In a recent paper, the present authors [Materials Research. 2015. 18(3): 595-601] demonstrated that the thickness of athermal martensite plates had a thermally…”
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Fundamental aspects of the martensite transformation curve in Fe-Ni-X and Fe-C alloys by Guimarães, José Roberto Costa, Rios, Paulo Rangel

“…This work initially reviews fundamental aspects of nucleation and growth of martensite. Next, based on previous work as well as on new unpublished work it…”
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Martensite’s Logistic Paradigm by Guimarães, José Roberto Costa, Rios, Paulo Rangel, Alves, André Luiz Moraes

“…Abstract This work introduces a deterministic approach to the martensite transformation curve. Martensite is a nucleation-controlled transformation that has…”
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The constitution of martensite volume fraction in Fe-31wt%Ni-0.02wt%C by Guimarães, José Roberto Costa, Rios, Paulo Rangel

“…This paper analyzes the constitution of martensite volume fraction, that is, the size-distribution of martensite units in quenched-transformed austenite in the…”
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Formal analysis of isothermal martensite spread by Rios, Paulo Rangel, Guimarães, José Roberto Costa

“…A formal kinetic approach was applied to the spread of isothermal martensite over the neighboring austenite grains in a Fe-23.2 wt. (%) Ni-2.8 wt. (%) Mn…”
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Quantitative interpretation of martensite microstructure by Guimarães, José Roberto Costa, Rios, Paulo Rangel

“…This work reviews issues and advances a formalism for quantitative interpretation of martensite microstructure, heeding the influence of transformation…”
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Microstructural path analysis of martensite burst by Rios, Paulo Rangel, Guimarães, José Roberto Costa

“…Modeling the martensite reaction requires reckoning with spatial aspects of the reaction. For that, we used formal kinetics, more specifically, the…”
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Arsenic removal from water employing heterogeneous photocatalysis with TiO2 immobilized in PET bottles by FOSTIER, Anne Helene, SILVA PEREIRA, Maria Do Socorro, RATH, Susanne, GUIMARAES, José Roberto

“…Arsenic oxidation (As(III) to As(V)) and As(V) removal from water were assessed by using TiO2 immobilized in PET (polyethylene terephthalate) bottles in the…”
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Kinetics of the oxidation of formaldehyde in a flow electrochemical reactor with TiO2/RuO2 anode by TERUMI FUKUNAGA, Mara, ROBERTO GUIMARAES, José, BERTAZZOLI, Rodnei

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Inactivation of bacteria and helminth in wastewater treatment plant effluent using oxidation processes by GUADAGNINI, Regiane Aparecida, DOS SANTOS, Luciana Urbano, BUENO FRANCO, Regina Maura, GUIMARAES, José Roberto

“…The contamination of bodies of water by raw and even treated sewage is worrying because pathogens that affect public health and the environment are not fully…”
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Effect of the association of coagulation/flocculation, hydrodynamic cavitation, ozonation and activated carbon in landfill leachate treatment system by de Melo Franco Domingos, Janaina, de Alencar Neves, Thiago, de Sousa Maia, Djalma Lucas, Carvalho Siqueira, Rebeca, Araújo Marques, Marcus Vinícius, Alves, Oswaldo Luiz, Guimarães, José Roberto, Antunes Nolasco, Marcelo, Rosa, André Henrique

“…Mature landfill wastewater is a complex effluent due to its low biodegradability and high organic matter content. Currently, mature leachate is treated on-site…”
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Degradation of formaldehyde by advanced oxidation processes by Guimarães, José Roberto, Turato Farah, Carolina Rittes, Maniero, Milena Guedes, Fadini, Pedro Sérgio

“…The degradation of formaldehyde in an aqueous solution (400 mg L−1) was studied using photolysis, peroxidation and advanced oxidation processes (UV/H2O2,…”
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Os procedimentos de deriva de sentidos: a reescrituração e a articulação (re)construindo sentidos nos textos redacionais do ENEM de 2013 by Guimarães, José Roberto Silva

“…Este trabalho objetiva analisar como se constituem os procedimentos de reescrituração e articulação na construção dos sentidos de textos de Redação do…”
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