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Since the late 1970s, permanentPermanent stainless steelStainless steel cathodeCathode technologyTechnology has been employed in copperCopper refiningRefining, beginning with Copper RefineriesCopper refinery Limited in Townsville, Australia. The initial ISA Process featured copperCopper-plated stainless steelStainless steel hanger bars and split sheet cathodesCathode. Later, the Kidd Creek operationOperation in Canada introduced a solid copperCopper hanger bar and enveloped (taco) cathodeCathode designDesign known as the Kidd Process. Today, Glencore TechnologyTechnology has merged both technologiesTechnology as ISAKIDDISAKIDD. This paper discusses advancements in cathodeCathode designDesign and cathode stripping machineCathode stripping machine (CSM) development within the ISAKIDDISAKIDD technologyTechnology. Although the cathodeCathode product remains either split or enveloped, hanger bar designDesign has evolved based on operational experience and plant requirements, with two main designsDesign currently in use. A newer hanger bar designDesign, the ISAKIDDISAKIDD hanger bar, incorporates a copperCopper core sheathed in stainless steelStainless steel for enhanced corrosionCorrosion protection from acid mistAcid mist. CathodeCathode blade materials have shifted from the initially dominant 316L316L gradeGrade austenitic stainless steelStainless steel to duplex gradeGrade stainless steelStainless steel, which favoured for its higher tensile strength and improved chlorideChloride corrosionCorrosion resistance, making it suitable for harsher environments. To facilitate plate identification and trackingTracking, refineries have the option to fit RFID tags to cathodeCathode plates, enabling more detailed data collection and analysisAnalysis. CSM technologyTechnology has seen ongoing improvements in automationAutomation, with newer machines employing roboticsRobotic. However, older technologiesTechnology like pivot arm semi-automatic machines remain popular in smaller operationsOperation due to cost-effectiveness and simplicity. The most recent ISAKIDDISAKIDD technologyTechnology delivery to Nikkelverk's electrowinningElectrowinning plant includes a state-of-the-art roboticRobotic CSM, RFID-tagged cathodeCathode plates, ISAKIDDISAKIDD hanger bars, and duplex stainless-steel blades.

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Recent Advances in ISAKIDD Cathode Design and Cathode Stripping Machines

  • 会议论文

  • 发表日期：

    2025年

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  • Andrew D. Spencer,
  • Addin Pranowo,
  • Per O. Eriksson,
  • Michael McNally,
  • Ådne Prestø Lie

摘要

Since the late 1970s, permanentPermanent stainless steelStainless steel cathodeCathode technologyTechnology has been employed in copperCopper refiningRefining, beginning with Copper RefineriesCopper refinery Limited in Townsville, Australia. The initial ISA Process featured copperCopper-plated stainless steelStainless steel hanger bars and split sheet cathodesCathode. Later, the Kidd Creek operationOperation in Canada introduced a solid copperCopper hanger bar and enveloped (taco) cathodeCathode designDesign known as the Kidd Process. Today, Glencore TechnologyTechnology has merged both technologiesTechnology as ISAKIDDISAKIDD. This paper discusses advancements in cathodeCathode designDesign and cathode stripping machineCathode stripping machine (CSM) development within the ISAKIDDISAKIDD technologyTechnology. Although the cathodeCathode product remains either split or enveloped, hanger bar designDesign has evolved based on operational experience and plant requirements, with two main designsDesign currently in use. A newer hanger bar designDesign, the ISAKIDDISAKIDD hanger bar, incorporates a copperCopper core sheathed in stainless steelStainless steel for enhanced corrosionCorrosion protection from acid mistAcid mist. CathodeCathode blade materials have shifted from the initially dominant 316L316L gradeGrade austenitic stainless steelStainless steel to duplex gradeGrade stainless steelStainless steel, which favoured for its higher tensile strength and improved chlorideChloride corrosionCorrosion resistance, making it suitable for harsher environments. To facilitate plate identification and trackingTracking, refineries have the option to fit RFID tags to cathodeCathode plates, enabling more detailed data collection and analysisAnalysis. CSM technologyTechnology has seen ongoing improvements in automationAutomation, with newer machines employing roboticsRobotic. However, older technologiesTechnology like pivot arm semi-automatic machines remain popular in smaller operationsOperation due to cost-effectiveness and simplicity. The most recent ISAKIDDISAKIDD technologyTechnology delivery to Nikkelverk's electrowinningElectrowinning plant includes a state-of-the-art roboticRobotic CSM, RFID-tagged cathodeCathode plates, ISAKIDDISAKIDD hanger bars, and duplex stainless-steel blades.