Admit it...deicing is a mysterious process to most travelers.
Toronto Pearson airport runs "the largest and most technologically advanced centralized deicing facility in the world" and can process up to 500 planes in a day.
They describe here why the need to deice, how they do it, the glycol and anti-icing fluid they use, and how they carefully recycle the significant volume of runoff. Thanks to Sandy Kemsley for the pointer.
The video below provides more detail of the operation.
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