Search Results - "Ricardo I. Jeldres"

Zeta potential and viscosity of colloidal silica suspensions: Effect of seawater salts, pH, flocculant, and shear rate by Romero, Cristian P., Jeldres, Ricardo I., Quezada, Gonzalo R., Concha, Fernando, Toledo, Pedro G.

“…[Display omitted] •Adsorption on silica follows Cs+>K+>Na+>Li+ and Ca2+>Mg2+.•Cation adsorption on anionic flocculant chains follows inverse series than…”
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Effect of Seawater on Sulfide Ore Flotation: A Review by Jeldres, Ricardo I., Forbes, Liza, Cisternas, Luis A.

“…The flotation process in seawater is highly complex and multifaceted, wherein the chemistry is very different to that of pure water. The high saline…”
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Froth Flotation of Chalcopyrite/Pyrite Ore: A Critical Review by Castellón, César I., Toro, Norman, Gálvez, Edelmira, Robles, Pedro, Leiva, Williams H., Jeldres, Ricardo I.

“…In the present work an intense bibliographic search is developed, with updated information on the microscopic fundamentals that govern the behavior of…”
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Molecular Design and Spodumene Flotation-A Review by Retamal, Jose I, Robles, Pedro A, Quezada, Gonzalo R, Jeldres, Ricardo I

“…Spodumene flotation stands as the most commonly used method to concentrate lithium minerals. However, it faces significant challenges related to low collector…”
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Using Partial Desalination Treatment To Improve the Recovery of Copper and Molybdenum Minerals in the Chilean Mining Industry by Cruz, Constanza, Reyes, Arturo, Jeldres, Ricardo I, Cisternas, Luis A, Kraslawski, Andrzej

“…Limited water resources and greenhouse gas emissions from fossil fuels used in electricity production are problems experienced in Chile. To address water…”
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Understanding the Behavior of Sodium Polyacrylate in Suspensions of Silica and Monovalent Salts by Quezada, Gonzalo R, Retamal, Francisco, Jeldres, Matías, Jeldres, Ricardo I

“…This study investigated the interaction of monovalent cations with different sizes on quartz surfaces and the rheological impact that this causes in…”
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Flocculation of Clay-Based Tailings: Differences of Kaolin and Sodium Montmorillonite in Salt Medium by Nieto, Steven, Toro, Norman, Robles, Pedro, Gálvez, Edelmira, Gallegos, Sandra, Jeldres, Ricardo I

“…Complex gangues and low-quality waters are a concern for the mining industries, particularly in water shortage areas, where the closure of hydric circuits and…”
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Manganese Nodules in Chile, an Alternative for the Production of Co and Mn in the Future—A Review by Norman Toro, Ricardo I. Jeldres, Javier A. Órdenes, Pedro Robles, Alessandro Navarra

“…Given the active growth of emerging technology industries, it has become essential to have large quantities of critical metals to meet the current demand. In…”
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Experimental and Simulation Studies on Hematite Interaction with Na-Metasilicate Pentahydrate by Quezada, Gonzalo R, Toro, Norman, Krishna, R S, Mishra, Subhabrata, Robles, Pedro, Salazar, Ivan, Mathe, Enoque, Jeldres, Ricardo I

“…Iron ore is a fundamental pillar in construction globally, however, its process is highly polluting and deposits are becoming less concentrated, making reusing…”
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Rheological Behavior of Clay Tailings in the Presence of Divalent Cations and Sodium Polyacrylate: Insights from Molecular Dynamics Simulations by Ramos, Jahir J., Nieto, Steven, Quezada, Gonzalo R., Leiva, Williams, Robles, Pedro, Betancourt, Fernando, Jeldres, Ricardo I.

“…This study analyzes the behavior of sodium polyacrylate (NaPA) as a rheological modifier for clay-based tailings. Special emphasis is placed on the impact of…”
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Chemometric Optimisation of a Copper Sulphide Tailings Flocculation Process in the Presence of Clays by Claudia Castillo, Christian F. Ihle, Ricardo I. Jeldres

“…The presence of fine and ultra-fine gangue minerals in flotation plants can contribute to sub-optimal valuable ore recovery and incomplete water recycling from…”
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Molecular Dynamics Study of the Conformation, Ion Adsorption, Diffusion, and Water Structure of Soluble Polymers in Saline Solutions by Quezada, Gonzalo R., Toro, Norman, Saavedra, Jorge, Robles, Pedro, Salazar, Iván, Navarra, Alessandro, Jeldres, Ricardo I.

“…Polymers have interesting physicochemical characteristics such as charge density, functionalities, and molecular weight. Such attributes are of great…”
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A Molecular Dynamics Simulation of Polymers’ Interactions with Kaolinite (010) Surfaces in Saline Solutions by Quezada, Gonzalo R., Leiva, Williams, Saavedra, Jorge H., Robles, Pedro, Gálvez, Edelmira, Jeldres, Ricardo I.

“…The search for polymers that meet the demands of the water recovery process in mining is a contingent challenge. Both the presence of clays and saline waters…”
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Study of Molybdenite Floatability: Effect of Clays and Seawater by Soto, Catalina, Toro, Norman, Gallegos, Sandra, Gálvez, Edelmira, Robledo-Cabrera, Aurora, Jeldres, Ricardo I, Jeldres, Matías, Robles, Pedro, López-Valdivieso, Alejandro

“…Current challenges in froth flotation are the presence of complex gangues and the use of low-quality waters, such as seawater. In this scenario, the recovery…”
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Estimating the Shear Resistance of Flocculated Kaolin Aggregates: Effect of Flocculation Time, Flocculant Dose, and Water Quality by Pérez, Kevin, Toro, Norman, Jeldres, Matías, Gálvez, Edelmira, Robles, Pedro, Alvarado, Omar, Toledo, Pedro G, Jeldres, Ricardo I

“…The resistance of kaolin aggregates to shearing in water clarification and recovery operations is a critical input in designing thickener feed wells. A…”
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Leaching of Silver and Gold Contained in a Sedimentary Ore, Using Sodium Thiosulfate; A Preliminary Kinetic Study by Roldán-Contreras, Edmundo, Salinas-Rodríguez, Eleazar, Hernández-Ávila, Juan, Cerecedo-Sáenz, Eduardo, Rodríguez-Lugo, Ventura, I. Jeldres, Ricardo, Toro, Norman

“…Some sedimentary minerals have attractive contents of gold and silver, like a sedimentary exhalative ore available in the eastern of Hidalgo in Mexico. The…”
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Reducing Magnesium within Seawater Used in Mineral Processing to Improve Water Recovery and Rheological Properties When Dewatering Clay-Based Tailings by Jeldres, Matías, Toro, Norman, Gallegos, Sandra, Robles, Pedro, Salazar, Iván, Fawell, Phillip D, Jeldres, Ricardo I

“…In areas where access to water for mineral processing is limited, the direct use of seawater in processing has been considered as an alternative to the expense…”
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Polyacrylic Acid to Improve Flotation Tailings Management: Understanding the Chemical Interactions through Molecular Dynamics by Quezada, Gonzalo R., Piceros, Eder, Robles, Pedro, Moraga, Carlos, Gálvez, Edelmira, Nieto, Steven, Jeldres, Ricardo I.

“…Molecular dynamic simulations of polyacrylic acid polyelectrolyte (PAA) analyzed its interaction with the main minerals that make up characteristic tailings of…”
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A Stochastic Model Approach for Copper Heap Leaching through Bayesian Networks by Saldaña, Manuel, González, Javier, Jeldres, Ricardo I., Villegas, Ángelo, Castillo, Jonathan, Quezada, Gonzalo, Toro, Norman

“…Multivariate analytical models are quite successful in explaining one or more response variables, based on one or more independent variables. However, they do…”
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Lime/Sodium Carbonate Treated Seawater to Improve Flocculation and Sedimentation of Clay-Based Tailings by Pulgar, Francisco, Ayala, Luis, Jeldres, Matías, Robles, Pedro, Toledo, Pedro G., Salazar, Iván, Jeldres, Ricardo I.

“…Seawater treated with lime and sodium carbonate in different proportions to reduce magnesium and calcium contents is used in flocculation and sedimentation…”
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