Publicación: RHEOLOGY MODIFYING REAGENTS FOR CLAY-RICH MINERAL SUSPENSIONS: A REVIEW
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Fecha
2025
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Polymers
Resumen
IN THE MINING INDUSTRY, KEY UNIT OPERATIONS SUCH AS GRINDING, FLOTATION, THICKENING, AND TAILINGS TRANSPORT ARE NEGATIVELY AFFECTED BY THE PRESENCE OF CLAY MINERALS, WHICH IMPART COMPLEX RHEOLOGICAL BEHAVIORS TO MINERAL SUSPENSIONS BY INCREASING THEIR RHEOLOGICAL PROPERTIES. THIS DETERIORATION ARISES FROM SPECIFIC PHYSICOCHEMICAL CHARACTERISTICS OF CLAY MINERALS SUCH AS FINE PARTICLE SIZE, ANISOTROPIC CHARACTER, LAMINAR MORPHOLOGY, AND SWELLING CAPACITY. THIS WORK REVIEWS THE EFFECTS OF VARIOUS RHEOLOGY-MODIFYING REAGENTS ON CLAY SUSPENSIONS INCLUDING KAOLINITE, ILLITE, AND MONTMORILLONITE. THE REVIEWED REAGENTS INCLUDE INORGANIC SALTS, PH MODIFIERS, POLYMERS, SURFACTANTS, AND NANOPARTICLES. THEIR MECHANISMS OF INTERACTION WITH SOLID PARTICLES ARE ANALYZED, HIGHLIGHTING THEIR INFLUENCE ON THE DEGREE OF DISPERSION OR AGGREGATION. FURTHERMORE, THIS REVIEW PROPOSES RESEARCH OPPORTUNITIES FOCUSED ON THE FORMULATION OF HYBRID REAGENTS, MODIFIED BIOPOLYMERS, AND THE DEVELOPMENT OF REAGENTS EFFECTIVE UNDER ADVERSE CONDITIONS SUCH AS HIGH SALINITY OR ELEVATED TEMPERATURES. THIS REVIEW PROVIDES A COMPREHENSIVE BASIS FOR OPTIMIZING THE USE OF RHEOLOGICAL ADDITIVES THROUGH MORE EFFICIENT AND SUSTAINABLE STRATEGIES FOR MANAGING CLAY-RICH SUSPENSIONS IN THE MINING INDUSTRY.
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Rheology, Nanoparticles, Polymers, Surfactants, Clay suspensions
