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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Sustainability in the Aluminum Supply Chain: Joint Session
Presentation Title Sustainable CPC Production and Impact on Anode and Smelter Carbon Footprints
Author(s) Les C. Edwards, Maia Hunt, Julia Koop, Peter Weyell
On-Site Speaker (Planned) Les C. Edwards
Abstract Scope Rain Carbon is a global producer of calcined petroleum coke (CPC) and coal tar pitch (CTP) and a major raw materials supplier to the aluminum industry. The objective of this paper is to review the CO2 footprint of carbon anodes used in aluminum electrolysis with a particular focus on CPC production and emissions. Life cycle analysis results are presented to show the contributions made from the petroleum coke raw material and the calcination process. CO2 and SO2 emissions are unavoidable during coke calcination but production of energy from waste heat recovered from the process can help offset CO2 emissions. Installation and operation of high efficiency SO2 scrubbers can largely eliminate SO2 emissions and some technologies produce valuable byproducts which avoid generation of additional waste streams. The paper will highlight Rain Carbon’s approach to sustainable production and provide examples of work being done to continuously improve in this area.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum,


Sustainable CPC Production and Impact on Anode and Smelter Carbon Footprints

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