Pre-Wetting Salt Better For Environment And Our Safety
Who would have ever thought that pre-wetting salt would not only help our eco-system but also save cities money. Using it cuts down on accidents, making driving during the winter season safer. It is hard to believe that no one has thought of this before now.
When salt is dispensed onto snow and ice via salt spreaders, it tends to just bounce off and go all over the place. such as; into ditches, and onto peoples lawns. This wastes the salt and ruins the eco-system. Across Canada during the winter season millions of tons of salt is being used on highways and roads. Using a pre-wet salt should cut down on the volume used by about 30 percent as less will be needed.
How It Works
Salt has to be wet in order to be activated, allowing it to do its job of melting ice and snow. When temperatures are below freezing there is no moisture on the road so when the dry salt is applied it does nothing except sit there. By wetting the salt before it is applied to the roadways the salt becomes heated. Once applied to the ice it sticks and stays in place working to melt rather than bouncing off in all directions.
What Prewet Salt Is Made From
This prewetting solution is made from sodium chloride and water, which forms brine. The saturated brine is the composition of sodium chloride and water is 23% and 77% H20 by weight that freezes at –6F or –21C.
On the trucks that carry and spread the salt there are tanks that have a solution that spays onto the salt right before the salt hits the spreader.
This has been tested in Huntsville, Ontario, Canada and has now been approved for use across the province.
This will surely cut down on winter accidents, as when roads get icy we all know they are treacherous so melt the ice before the cars start pilling up. Winter driving is no picnic and I really think that this is a great way in which to make our roads safer.
Why All Cities Should Use Pre-wetted Salt
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