Search Results - "Fontes, Maurício"

Rheological and the Fresh State Properties of Alkali-Activated Mortars by Blast Furnace Slag by Marvila, Markssuel Teixeira, Azevedo, Afonso Rangel Garcez de, Matos, Paulo Ricardo de, Monteiro, Sérgio Neves, Vieira, Carlos Maurício Fontes

“…The fresh and rheological properties of alkali mortars activated by blast furnace slag (BFS) were investigated. Consistency tests, squeeze flow, dropping ball,…”
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Speciation, bioaccessibility and potential risk of chromium in Amazon forest soils by Moreira, Leo J.D., da Silva, Evandro B., Fontes, Maurício P.F., Liu, Xue, Ma, Lena Q.

“…Even though the Amazon region is widely studied, there is still a gap regarding Cr exposure and its risk to human health. The objectives of this study were to…”
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Arsenic (V) removal from water using hydrotalcites as adsorbents: A critical review by Dias, Adriana Cristina, Fontes, Maurício Paulo Ferreira

“…Arsenic (As) is one of the most hazardous substance to human health because it is a toxic and carcinogenic chemical element. Hydrotalcites, the main class of…”
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Materials for Production of High and Ultra-High Performance Concrete: Review and Perspective of Possible Novel Materials by Marvila, Markssuel Teixeira, de Azevedo, Afonso Rangel Garcez, de Matos, Paulo R., Monteiro, Sergio Neves, Vieira, Carlos Maurício Fontes

“…This review article proposes the identification and basic concepts of materials that might be used for the production of high-performance concrete (HPC) and…”
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On the production of fired clay bricks from waste materials: A critical update by Monteiro, Sergio Neves, Vieira, Carlos Maurício Fontes

“…•An up-to-date list of works on waste incorporation into clay ceramics is discussed.•Fuel-containing wastes may reduce energy to produce clay bricks to less…”
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TRACE ELEMENTS IN RIVER WATERS AND SEDIMENTS BEFORE AND AFTER A MINING DAM BREACH (BENTO RODRIGUES, BRAZIL) by Silva, Danilo, Bellato, Carlos, Marques Neto, José, Fontes, Maurício

“…On November 5, 2015, the Fundão dam ruptured which caused the spill of a large quantity of tailings from the extraction of iron ores to the Gualaxo do Norte,…”
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Mechanical, physical and durability properties of activated alkali cement based on blast furnace slag as a function of %Na2O by Marvila, Markssuel Teixeira, de Azevedo, Afonso Rangel Garcez, de Oliveira, Leandro Barbosa, de Castro Xavier, Gustavo, Vieira, Carlos Maurício Fontes

“…The use of activated alkali cements (AAC) as a replacement for Ordinary Portland cement (OPC) has become a viable alternative. This is due to the advantages of…”
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Risk assessment of trace elements pollution of Manaus urban rivers by Ferreira, Matheus da Silva, Fontes, Maurício Paulo Ferreira, Pacheco, Anderson Almeida, Lima, Hedinaldo Narciso, Santos, José Zilton Lopes

“…[Display omitted] •Trace elements inputs to Manaus rivers are allocated to the anthropogenic activities.•Waters low quality in some zones calls for…”
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Preparation and evaluation of hydrotalcite-iron oxide magnetic organocomposite intercalated with surfactants for cationic methylene blue dye removal by Miranda, Liany D.L., Bellato, Carlos R., Fontes, Maurício P.F., de Almeida, Marciano F., Milagres, Jaderson L., Minim, Luis A.

“…[Display omitted] •Proposed mechanism of interaction between hydrotalcite and surfactants.•Organocompounds, HT-iron oxide interspersed with surfactants, are…”
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Alkaline Activation of Binders: A Comparative Study by Alves, Bianca Ignacio Almeida, Marvila, Markssuel Teixeira, Linhares Júnior, José Alexandre Tostes, Vieira, Carlos Maurício Fontes, Alexandre, Jonas, de Azevedo, Afonso Rangel Garcez

“…Binders formulated with activated alkali materials to replace Portland cement, which has high polluting potential due to CO emissions in its manufacture, have…”
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Lead speciation and availability affected by plants in a contaminated soil by Amorim, Helen C.S., Hurtarte, Luís C.C., Vergütz, Leonardus, Silva, Ivo R., Costa, Oldair D.V., Pacheco, Anderson A., Fontes, Maurício P.F.

“…Changes in lead (Pb) speciation in the rhizosphere may be plant species-dependent and dictate Pb fate and behavior in the soil-plant system. X-ray absorption…”
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Geochemical signatures and natural background values of rare earth elements in soils of Brazilian Amazon by Ferreira, Matheus da Silva, Fontes, Maurício Paulo Ferreira, Bellato, Carlos Roberto, Marques Neto, José de Oliveira, Lima, Hedinaldo Narciso, Fendorf, Scott

“…Rare earth elements (REEs) are generally defined as a homogenous group of elements with similar physical-chemical properties, encompassing Y and Sc and the…”
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Simplex-Centroid mixture design applied to arsenic (V) removal from waters using synthetic minerals by Dias, Adriana Cristina, Fontes, Maurício Paulo Ferreira, Reis, Cesar, Bellato, Carlos Roberto, Fendorf, Scott

“…Arsenic (As) is a toxic and carcinogenic element. Therefore, it is necessary to carry out research on As-contaminated water management in order to achieve the…”
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Human health risk assessment and geochemical mobility of rare earth elements in Amazon soils by Ferreira, Matheus da Silva, Fontes, Maurício Paulo Ferreira, Lima, Maria Tereza Weitzel Dias Carneiro, Cordeiro, Suellen Geronimo, Wyatt, Nathália Luiza Passamani, Lima, Hedinaldo Narciso, Fendorf, Scott

“…Rare earth elements (REEs) are a grouping of elements that encompasses lanthanides, yttrium and scandium due to their similar chemical properties and…”
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Arsenic and trace metals in river water and sediments from the southeast portion of the Iron Quadrangle, Brazil by Varejão, Eduardo V. V, Bellato, Carlos R, Fontes, Maurício P. F, Mello, Jaime W. V

“…The Iron Quadrangle has been one of the most important gold production regions in Brazil since the end of the seventeenth century. There, arsenic occurs in…”
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Residual As(V) in Aqueous Solutions After Its Removal by Synthetic Minerals by Dias, Adriana Cristina, Fontes, Maurício Paulo Ferreira, da Silva Ferreira, Matheus, Vergütz, Leonardus, Fendorf, Scott

“…Arsenic (As) is a carcinogenic element and the As-contamination in drinking water is considered a major health problem. Thus, we assessed the As-removing…”
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Health risks of potentially toxic trace elements in urban soils of Manaus city, Amazon, Brazil by Ferreira, Matheus da Silva, Fontes, Maurício Paulo Ferreira, Pacheco, Anderson Almeida, Ker, João Carlos, Lima, Hedinaldo Narciso

“…The city of Manaus is the biggest industrial city of the north Brazilian region, and a haphazard urbanization process characterizes it. The continuous…”
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Evaluation of Hot Pressing Processing by Physical Properties of Ecofriendly Composites Reinforced by Eucalyptus Sawdust and Chamotte Residues by de Oliveira Júnior, Juvenil Nunes, Lopes, Felipe Perissé Duarte, Simonassi, Noan Tonini, Oliveira, Michel Picanço, Gonçalves, Fabricio Gomes, Vieira, Carlos Maurício Fontes

“…The particleboard industry consumes large amounts of raw material, and this type of product consumption has been increasing over the last few years. The…”
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Activated alkali cement based on blast furnace slag: effect of curing type and concentration of Na20 by Marvila, Markssuel Teixeira, Garcez de Azevedo, Afonso Rangel, Tostes Linhares Júnior, José Alexandre, Fontes Vieira, Carlos Maurício

“…Recent studies highlight the feasibility of using activated alkali cement (AAC) as a substitute for Portland cement. In this context, the objective of this…”
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Evaluation of Mechanical Properties of ABS-like Resin for Stereolithography Versus ABS for Fused Deposition Modeling in Three-Dimensional Printing Applications for Odontology by Dias Gonçalves, Victor Paes, Vieira, Carlos Maurício Fontes, Simonassi, Noan Tonini, Perissé Duarte Lopes, Felipe, Youssef, George, Colorado, Henry A

“…This study investigates the differences in mechanical properties between acrylonitrile butadiene styrene (ABS) samples produced using fused deposition modeling…”
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