why isn't it a good idea to spread salt on the road in really cold climates?
Doesn't it rust cars? What does it do to the soil, and waterways?
Calcium Chloride seems to work well.
oh, okay.
It does not work if it is really cold, like below 25 F or so.
Spreading salt on roads in very cold climates can be an effective method for de-icing and preventing the formation of ice. However, there are a few reasons why it may not always be a good idea:
1. Environmental Impact: When salt is spread on roads, it eventually gets washed into nearby water bodies such as rivers and lakes. This can lead to increased salinity levels in the water, which can be harmful to aquatic life and vegetation.
2. Infrastructure Damage: Salt can accelerate the corrosion of metals, including the ones used in vehicles, bridges, and roadways. This can lead to increased maintenance costs and potential damage to the infrastructure.
3. Side Effects on Vehicles: Salt can also cause damage to vehicles by corroding the undercarriage, brakes, and other metal components. This can decrease the lifespan of vehicles and increase repair costs.
Instead of using salt, alternative methods can be employed in extremely cold climates:
1. Sand: Using sand on icy roads provides traction and helps prevent accidents without the negative environmental and infrastructure impacts of salt.
2. Calcium Magnesium Acetate (CMA): CMA is an environmentally friendly alternative to salt that is made from dolomitic lime and acetic acid. It is less corrosive and has lower environmental impact compared to traditional salt.
3. Plowing and Snow Removal: Regular plowing and snow removal can help keep roads clear and minimize the need for de-icing agents.
It's important to consider the specific conditions and environmental factors when determining the most suitable de-icing method for a given area.