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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Electrode Technology for Aluminum Production
Presentation Title Driving Continuous Improvement in a Modern GPC/CPC Testing Laboratory
Author(s) Heather Riche', Leona Fletcher, Maia Hunt, Les Edwards
On-Site Speaker (Planned) Maia Hunt
Abstract Scope Rain Carbon operates a central laboratory in the US to monitor GPC and CPC quality for six coke calcining plants. With a wide range of different coke qualities, it is critical to provide reliable results to control production and report accurate results to customers. The objective of this paper is to summarize Rain Carbon’s Quality Management System and Quality Control Programs to ensure consistent, high quality results. The Quality Control (QC) program monitors the performance of instrumentation for key analyses. Reference standards and/or control samples are analyzed at a designated frequency. To supplement this, the laboratory added a Quality Assurance (QA) program to monitor total measurement variability including sample preparation and analyst variability. Periodic Gage R&R studies are undertaken to develop precision limits for each test. As a final step, the company organizes global CPC Round Robins which give additional data and provide a valuable service to the industry.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum, Characterization, Other


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Blocked Fluewall Detection and Improved Safety for Anti-flooding Module, A New Approach for Safer Operations of Anode Baking Furnaces
Driving Continuous Improvement in a Modern GPC/CPC Testing Laboratory
Dynamics of Anode Baking Furnace VOC Emissions through a Firing Cycle
Ecofriendly Glue for the Aluminium Electrolysis Pot
Effect of Coke Type on the Partial Replacement of Coke with Modified Biocoke in Anodes Used in Primary Aluminum Production
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Optical and Electrochemical Characterisation of Carbon Anodes with Varying Porosity and Coke Quality
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Quality Evaluation of Nitride Bonded SiC Sidelining Materials. Historical Trends 1997-2022 Including Results and Development of Test Methods

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