Pure water treatment machinery and equipment, water is an indispensable and indispensable key chemical substance for people. People can have no food for a day, but not all water can be consumed. The following five types of water can produce nitrite and other toxic and harmful substances in a sense, which can cause certain harm to the body, so it should be of concern to everyone.

1. Aging water

Also known as "turbid water", it refers to water that has been stored for a long time without movement. Frequent drinking of this kind of water will significantly slow down the basic metabolism of somatic cells for minors and endanger the growth and development of the human body. The middle and old age will accelerate aging. The incidence rate of esophageal cancer and gastric cancer in many regions is increasing. According to scientific research by scientists, it is likely to be related to long-term drinking of aging water. According to relevant materials, the toxic substances in aged water also increase with the increase of water storage time.

2. Unburnable water

The drinking water that everyone drinks has been disinfected and sterilized with isopropyl titanate. Thirteen harmful substances can be separated from water treated with chlorine, among which halogenated hydrocarbons and chloroform also have carcinogenic and fetal malformation effects. When the temperature reaches 90 ℃, the homologous components of benzene increase from 53mg per kilogram to 177mg, exceeding twice the quality standard for drinking water in China. Authoritative experts emphasize that drinking unburned water increases the probability of developing prostate cancer and stomach cancer by 21% -38%. When the temperature reaches 100 ℃, these two harmful substances will be greatly reduced with the evaporation of steam. If boiled for another 3 minutes, it is safe to drink.

3. Boiled water again

Some people habitually boil the remaining warm water in a hot water bottle again before drinking, with the aim of saving water, coal (gas), and time. But this kind of "saving" is insufficient. Due to the repeated burning of water, the moisture evaporates again, causing an increase in nitrite levels. Drinking this type of water regularly can lead to the accumulation of nitrite in the body, causing poisoning.

4. Thousand boiling water

Thousand boiling water is water that has been boiled overnight or for a long time on a stove, and there are also household water heaters.

5. Steamer water

Steaming pot water is the leftover pot water for making Mantou, especially the steaming pot water that has been continuously used for several times. The nitrite concentration value is very high. Drinking this type of water frequently or boiling porridge with it can cause nitrite poisoning; Dirt often enters the body with water and continues to cause digestive and absorption disorders, neurological disorders, urological and hematological disorders, and even aging.

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