Abstract
The research is aimed at solving the topical problem of enhancing efficiency of iron ore magnetic separation by applying ultrasonic technologies to identify optimal technological parameters of magnetic separation, improving controlled structural parameters of a magnetic separator and pretreating slurry by highenergy ultrasound to clean the ore material surface from fine-dispersed particles of minerals and slime, as well as disintegrate ore aggregates fed to the magnetic separator. The main tasks involve identifying regularities of influence of slurry pretreatment by high-energy ultrasound on properties of iron ore magnetic separation, determining regulations of improving technological and controlled structural parameters of the magnetic separator using ultrasonic methods, developing and substantiating methods to enhance efficiency of iron ore magnetic separation by applying ultrasonic technologies.
Highlights
Sustainable industrial development calls for solving the topical problem of reducing costs and energy-intensity of iron ore mining and processing [1,2,3,4,5]
The research is aimed at solving the topical problem of enhancing efficiency of iron ore magnetic separation by applying ultrasonic technologies to identifying optimal technological parameters of magnetic separation, improving controlled structural parameters of a magnetic separator and pretreating slurry by high-energy ultrasound to clean the ore material surface from fine-dispersed particles of minerals and slime, as well as disintegrating ore aggregates fed to the magnetic separator
The research idea implies improved efficiency of iron ore magnetic separation due to identifying technological parameters of the process under study, optimal controlled structural parameters of the magnetic separator and slurry pretreatment by high-energy ultrasound to clean the ore material surface from fine-dispersed particles of minerals and slime and disintegration of ore aggregates fed to the magnetic separator
Summary
Sustainable industrial development calls for solving the topical problem of reducing costs and energy-intensity of iron ore mining and processing [1,2,3,4,5]. About 5-8 mineral and technological types of ore are processed simultaneously at Kryvyi Rih mining and concentration plants [2, 7]. It is worth noting that each mineral and technological type of iron ore demands such grinding rate to maintain certain granulometric composition in compliance with the size of useful component inclusions, ensuring the best ore-grain release and enhancing efficiency of subsequent sorting and separation [9, 10]. Application of ultrasonic technologies to nondestructive control is one of promising methods to enhance efficiency of iron ore concentration, this involving attainment of operative data on technological processes and treatment of ore particles by controlled high-energy ultrasound, in particular, by forming cavitation processes in iron ore slurry [11,12,13]
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