Less salt, more protein: Researchers address dairy processing's environmental, sustainability issues

Researchers say the high salt content of whey -- the watery part of milk left behind after cheesemaking -- helps make it one of the most polluting byproducts in the food processing industry. In a new study, chemists demonstrate the first electrochemical redox desalination process used in the food industry, removing and recycling up to 99% of excess salt from whey while simultaneously refining more than 98% of whey's valuable protein content.

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