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Pot gas cooling by water vaporisation:
a Rio Tinto Alcan patented system

Pot gas cooling
Several well-known methods exist in the aluminium industry for reducing gas treatment centre (GTC) inlet temperatures.

Taking pot gas cooling to the next level

Our patented pot gas cooling by water vaporisation system is intended mainly for seasonal use (typically during summers for smelters in cold climates) or for continuous use when gaz temperatures are always over 130°C (typically for smelters operating in hot countries). The system achieves a temperature drop of 25°C to 30°C.

Potgascooling