Search Results - "Laurindo de Salles Leal Filho"

Biodegradable ether amines for reverse cationic flotation separation of ultrafine quartz from magnetite by Gouvêa Junior, José Tadeu, Chipakwe, Vitalis, de Salles Leal Filho, Laurindo, Chehreh Chelgani, Saeed

“…A considerable amount of ultrafine magnetite as the iron source will end up in the tailing dams since the magnetic separation process markedly drops as the…”
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The Influence of Static Pressure on Bubble Size and Contact Angle of Quartz: Mimicking What May Happen Inside a Hypothetical Flotation Column by Alexandre Vale Oliveira, José Tadeu Gouvêa Junior, Thiago Cesar Souza Pinto, Laurindo de Salles Leal Filho

“…This paper addresses the influence of hydrostatic pressure ( Phyd ) on bubble diameter ( db ) and contact angle ( θ ) of quartz in pure water versus collector…”
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The effect of dissolution kinetics on flotation response of apatite with sodium oleate by Horta, Daniela, de Mello Monte, Marisa Bezerra, de Salles Leal Filho, e Laurindo

“…Different flotation strategies are used to concentrate apatite from phosphate rock around the world. There is evidence that the flotation performance of…”
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Influence of agitation intensity on flotation rate of apatite particles by Testa, Francisco Gregianin, Safari, Mehdi, Deglon, David, Leal Filho, Laurindo de Salles

“…Abstract The agitation intensity has a directly influence on flotation performance, lifting the particles and promoting the contact of bubbles and particles…”
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A systematic study on gelatinization efficiency of starch by NaOH for enhanced hematite depression by Andrade, Elaine Cristina, Chelgani, Saeed Chehreh, de Salles Leal Filho, Laurindo

“…[Display omitted] •Various SNMRs for starch gelatinization were examined as an innovative and fundamental investigation.•SNMR = 5:1 promoted the lowest…”
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Bibliometric analysis on kaolinite flotation by Lieberknecht, Gabriela, Matai, Patrícia Helena Lara dos Santos, Leal Filho, Laurindo de Salles

“…Abstract The current work presents a bibliometric discussion on articles published worldwide concerning kaolinite flotation in international journals from 1992…”
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Tannin: An eco-friendly depressant for the green flotation separation of hematite from quartz by Tohry, A., Dehghan, R., de Salles Leal Filho, Laurindo, Chehreh Chelgani, S.

“…[Display omitted] •Selective flotation of hematite and quartz was achieved using TA.•TA had a negligible effect on the quartz surface hydrophobicity.•At…”
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Interaction forces between colloidal starch and quartz and hematite particles in mineral flotation by Rohem Peçanha, Elaynne, da Fonseca de Albuquerque, Marta Duarte, Antoun Simão, Renata, de Salles Leal Filho, Laurindo, de Mello Monte, Marisa Bezerra

“…[Display omitted] •The Hamaker constant for starch was estimated by Hamaker microscopic theories and Lifshitz’s macroscopic solid body theory.•Gelatinized…”
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Enhanced Washburn Method (EWM): A comparative study for the contact angle measurement of powders by Tohry, Arash, Dehghan, Reza, Vale Oliveira, Alexandre, Chehreh Chelgani, Saeed, de Salles Leal Filho, Laurindo

“…[Display omitted] •A comparison was made between indirect and direct methods.•Bare quartz contact angle obtained by CBM and WM was more realistic than…”
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Rheology study of the starch gelatinization to understand the hematite depression process by Andrade, Elaine Cristina, Louzada, Jean Carlo Grijó, Chelgani, Saeed Chehreh, Leal Filho, Laurindo de Salles

“…Gelatinization of starch by NaOH is an essential stage for this depressant preparation to enhance its water solubility through the reverse cationic flotation…”
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Entropic Friction Factor Modeling for Mineral Slurry Flow in Pressurized Pipes by Grijó Louzada, Jean Carlo, de Souza Pinto, Thiago Cesar, Meier, Rafael Gomes, de Souza, Podalyro Amaral, Leal Filho, Laurindo de Salles

“…AbstractThe principle of maximum entropy (PME) relies on information theory, Shannon entropy, and four constraints, namely the total probability and…”
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Bulk and Surface Characterization of Distinct Hematite Morphology: Implications for Wettability and Flotation Response by Lívia Marques Faustino, Belinda McFadzean, José Tadeu Gouvêa Junior, Laurindo de Salles Leal Filho

“…To understand why hematite of different genesis behave diversely in flotation systems, this study assesses the flotation response at pH 5 of bulk (morphology,…”
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Corrigendum to “A systematic study on gelatinization efficiency of starch by NaOH for enhanced hematite depression” [Min. Eng. 209 (2024) 108621] by Andrade, Elaine Cristina, Chelgani, Saeed Chehreh, de Salles Leal Filho, Laurindo

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CONCENTRAÇÃO MICELAR CRÍTICA E CONCENTRAÇÃO CRÍTICA DE COALESCÊNCIA DE REAGENTES DE FLOTAÇÃO by Braga, André Soares, Pinto, Thiago Cesar de Souza, Matai, Patrícia Helena Lara dos Santos, Leal Filho, Laurindo de Salles

“…A geração de bolhas de ar numa célula de flotação produz uma distribuição de tamanhos que pode ser representada pelo diâmetro médio de Sauter (D3,2), cuja…”
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O USO DE AMINAS GRAXAS E SEUS DERIVADOS NA FLOTAÇÃO DE MINÉRIOS BRASILEIROS by Neder, Euler Elias, Leal Filho, Laurindo de Salles

“…Os coletores catiônicos têm sido utilizados na flotação de minerais desde o final dos anos 30 e a química desses compostos é baseada nas aminas e seus…”
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O USO DE AMINAS GRAXAS E SEUS DERIVADOS NA FLOTAÇÃO DE MINÉRIOS BRASILEIROS/THE USE OF AMINES CREASES AND DERIVATES IN FLOTATION OF BRAZILIAN MINERALS by Neder, Euler Elias, Filho, Laurindo de Salles Leal

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