Cheese Whey Used for Friendly Snow and Ice Control

Researchers have discovered how cheap feedstocks, such as cheese whey, can be used to make
inexpensive calcium-magnesium acetate (CMA), an environmentally friendly snow- and
ice-control material used for roadway de-icing and anti-icing. CMA is a mixture of calcium
acetate and magnesium acetate and has a de-icing ability comparable to salt. Although salt
is less expensive, CMA has no significant health or environmental concerns. It is not
corrosive to vehicles and not harmful to concrete, structural steel, vegetation, fish or
other aquatic life. Cost analysis shows that CMA made from cheese whey can be produced at a
cost of less than 30 percent of the current market price for commercial CMA.


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