Sodium Hydroxide (NaOH) (Lye) is used in water treatment, is that safe? - lye used to get out cat pee
I caustic soda is corrosive? Is it safe for use in water treatment? If so, can you explain why? Preferably from a chemical point of view.
Monday, February 8, 2010
Lye Used To Get Out Cat Pee Sodium Hydroxide (NaOH) (Lye) Is Used In Water Treatment, Is That Safe?
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2 comments:
A resin with a strong attraction for calcium, magnesium and other positively charged metal ions (cations) is first saturated with sodium cations, a salt (sodium chloride). If the water through the resin, exchanges sodium for calcium and magnesium.
Yes, sodium hydroxide is corrosive - for some metals such as aluminum, zinc and tin, and the skin, eyes, etc., but when used in the treatment of water to neutralize acid and used to increase the pH of the water corrosion of the steel prevent / iron. It would not be used as drinking water, maintained except at very low levels and near neutral pH.
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