PCA manufacturing block flow diagram | Source: Zhonghui Kiln

Prebaked Carbon Anode (PCA) manufacturing is the dominant process technology for producing consumable carbon electrodes for primary aluminium smelting via the Hall-Héroult electrolysis process. Anodes are formed and fully baked in dedicated carbon plants before installation in the reduction cell — in contrast to Söderberg technology where baking occurs in situ. Prebake technology is used in over 90% of global aluminium smelting capacity, driving a market valued at ~USD 4.8 billion in 2023 and projected to reach USD 7.9 billion by 2032.

Read the detailed technology profile here.

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