Peroxide alkali metal disinfectant is used for disinfection of drinking water. The alkali peroxides used can be Keng Peroxide, Sodium Peroxide, Potassium Peroxide, Peroxide Rivet, etc., or their more than alkali peroxides. They can be used alone or in combination, especially sodium peroxide and ultra sodium peroxide. In addition, they can contain other ingredients. E.g. magnesium chloride, chlorine