The function of bleaching agent in tap water

Introduction: chlorination is now widely used in the disinfection of tap water The main purpose of chlorination of public water supply is to prevent water borne diseases What is the role of bleaching agent in tap water? We usually drink tap water with bleach, so what's the function of putting bleach in tap water? Baibai safety net will introduce you Tap water is supposed to be a kind of sanitary and safe drinking water, but due to the environmental pollution, a large number of harmful substances such as bacteria in the water grow In order to inhibit and kill the bacteria in the water, chlorine is added in the process of water treatment More bleaching powder in tap water is harmful to the body and irritates the skin and mucous membrane, but the amount of bleaching powder in tap water is limited At the same time, chlorine is released due to the instability of bleaching powder after the tap water is placed for a period of time or heated, Such water is harmless Bleaching powder, also known as lime chloride, is a widely used disinfectant, mainly composed of calcium hypochlorite The bleaching powder will produce very unstable hypochlorite when meeting with water, which is easy to decompose and produce atoms and chlorine atoms Through oxidation and chlorination, it will produce strong and rapid bactericidal effect Bleaching powder can kill bacterial spores, viruses and fungi, and it is used for disinfection of houses, feeding tanks, utensils and vehicles Generally, spray with 5% - 20% suspension, and sometimes spread dry powder For disinfection of drinking water, add 0.30-1g 50g bleaching powder per litre of water, which not only sterilizes, but also deodorizes Many foods use bleach, so is it safe to bleach? In fact, if it is used according to the national regulations, it will not be dangerous Now the state has a food safety detector, which can quantitatively detect 50 parameters in the food on the spot So that we can eat more safe food, more food safety knowledge in the hundred safety net Editor in charge: he xianrob