What is the use of sodium hydroxide in water purification?
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What is the use of sodium hydroxide in water purification?
A: Sodium hydroxide is used in the treatment of drinking water to raise the pH of the water to a level that minimizes the corrosion. Raising the pH remains one of the most effective methods for reducing lead corrosion and minimizing lead levels in drinking water.
Is sodium hydroxide used to purify water?
Water treatment Sodium hydroxide is sometimes used during water purification to raise the pH of water supplies. Increased pH makes the water less corrosive to plumbing and reduces the amount of lead, copper and other toxic metals that can dissolve into drinking water.
Why is sodium hydroxide added to water?
Neutralization. A base like sodium hydroxide can react with an acid to neutralize it. In this type of reaction, the hydroxide ion will accept a proton from the acid to form a molecule of water (H2O). Adding sodium hydroxide to a solution of an acid can neutralize some of the acid in the water.
What is purpose of sodium hydroxide?
Sodium hydroxide is useful for its ability to alter fats. It is used to make soap and as a main ingredient in household products such as liquid drain cleaners. Sodium hydroxide is usually sold in pure form as white pellets or as a solution in water.
What is the pH of sodium hydroxide?
13
Acids and bases
| pH | product |
|---|---|
| 14 | sodium hydroxide |
| 13 | lye |
| 12.4 | lyme |
| 11 | ammonia |
Do water filters filter out sodium hydroxide?
In small amounts(the amounts deemed acceptable by the USEPA for disinfection purposes), regular replacement of the prefilters will mitigate any sodium hydroxide in your water.
What is lye used for?
Making of household and industrial products: Lye is used to make commercial and industrial cleaners and clogged drain openers because of its cleaning effects and ability to dissolve grease. Tissue digestion: NaOH or KOH can be used to digest tissues of animal carcasses.
Is sodium hydroxide bad for pipes?
Lye is an incredibly basic, alkaline metal compound (sodium hydroxide), often used as a soap for cleaning purposes. This caustic can deteriorate metal piping and, in some forms, as when mixed with an aluminum compound to increase its cleaning power, can easily generate enough heat to warp or deform PVC piping.
Is sodium hydroxide acidic or alkaline?
Sodium hydroxide is both base as well as alkali because it is water-soluble and forms 50% saturated solution with water. The liberation of hydroxide ions in aqueous solution reasons out for its basicity. It has a pH of 12 and is highly alkaline.