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As average copper oreCopper ore gradesGrade decline and processingProcessing costs increase, the miningMining industry is implementing proven technologiesTechnology to improve sustainabilitySustainability: reducingReducing energy, water, and reagent consumption, tailings generation and GHG emissionsEmissions. MiningMining companies have realized value in sensing ore quality in real time to better understand quality variabilityVariability implications on processingProcessing and assess potential benefits through improved control. Real time measurementReal time measurement to digitalize conveyed flow quality using proven technologiesTechnology has been implemented with minimal risk. High performancePerformance Prompt Gamma Neutron Activation Analysis (PGNAAPrompt Gamma Neutron Activation Analysis (PGNAA)) has been used successfully in the minerals sector for representative, continuous, real time multi-elemental measurement of conveyed flows in many commodities. High performancePerformance PGNAAPrompt Gamma Neutron Activation Analysis (PGNAA) has been successfully applied in bulk ore sorting where 20% + increases in ore gradeGrade have been recorded and 5–20% of the mined material being rejected as waste after primary crushingCrushing, reducingReducing GHG emissionsEmissions up to 20% with only minor metalMetal losses. Multi-elemental data is used to improve ore blending, waste diversion from plant feed, feed forward control to process operators, ore reconciliationReconciliation and metalMetal accounting. Additional technologiesTechnology include real time free moisture measurement using transmission microwaves, and particle size distributionDistribution analysisAnalysis using next-gen 3D infrared camera technologyTechnology. Synergies from multi-sensor data allow a greater understanding of material characteristics that remain directly unmeasurable in conveyed flows, such as ore hardness. Installations at multiple sites have proven the measurement capabilities and the paper outlines results at various copperCopper operationsOperation. Methods for risk reductionRisk reduction in assessing and implementing the technologyTechnology are discussed.

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Digitalizing Conveyed Copper Ore Flows to Improve Mill Feed Quality and Process Control

  • 会议论文

  • 发表日期：

    2025年

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  • H. Kurth

摘要

As average copper oreCopper ore gradesGrade decline and processingProcessing costs increase, the miningMining industry is implementing proven technologiesTechnology to improve sustainabilitySustainability: reducingReducing energy, water, and reagent consumption, tailings generation and GHG emissionsEmissions. MiningMining companies have realized value in sensing ore quality in real time to better understand quality variabilityVariability implications on processingProcessing and assess potential benefits through improved control. Real time measurementReal time measurement to digitalize conveyed flow quality using proven technologiesTechnology has been implemented with minimal risk. High performancePerformance Prompt Gamma Neutron Activation Analysis (PGNAAPrompt Gamma Neutron Activation Analysis (PGNAA)) has been used successfully in the minerals sector for representative, continuous, real time multi-elemental measurement of conveyed flows in many commodities. High performancePerformance PGNAAPrompt Gamma Neutron Activation Analysis (PGNAA) has been successfully applied in bulk ore sorting where 20% + increases in ore gradeGrade have been recorded and 5–20% of the mined material being rejected as waste after primary crushingCrushing, reducingReducing GHG emissionsEmissions up to 20% with only minor metalMetal losses. Multi-elemental data is used to improve ore blending, waste diversion from plant feed, feed forward control to process operators, ore reconciliationReconciliation and metalMetal accounting. Additional technologiesTechnology include real time free moisture measurement using transmission microwaves, and particle size distributionDistribution analysisAnalysis using next-gen 3D infrared camera technologyTechnology. Synergies from multi-sensor data allow a greater understanding of material characteristics that remain directly unmeasurable in conveyed flows, such as ore hardness. Installations at multiple sites have proven the measurement capabilities and the paper outlines results at various copperCopper operationsOperation. Methods for risk reductionRisk reduction in assessing and implementing the technologyTechnology are discussed.