How to deal with excessive nitrate in drinking water
With the rapid development of modern industry, the problem of water pollution is becoming more and more serious. Among them, excessive nitrate in drinking water is a problem of great concern. Nitrate is an inorganic salt, and excessive intake can have a negative impact on human health. Therefore, how to deal with the problem of excessive nitrate in drinking water has become a top priority. This article will introduce the hazards, treatment methods and preventive measures of excessive nitrate in drinking water to help you better understand and solve this problem.
1. The hazards of excessive nitrate in drinking water.
1.Carcinogenicity: Nitrate can be reduced to nitrite in the human body, which in turn forms carcinogens nitrosamines, increasing the risk of cancer.
2.Harmful to the fetus: Pregnant women drinking drinking water containing nitrate can affect the development of the fetus and even cause malformations.
3.Excessive intake of nitrate can lead to hypoxic symptoms such as cyanosis of the lips and nails, and in severe cases, it can even be life-threatening.
2. Treatment method of drinking water nitrate exceeding the standard.
1.Ion exchange method: Nitrate ions in water are adsorbed and removed by ion exchangers, thereby reducing the nitrate content in water. This method has high processing efficiency, but it requires regular replacement of ion exchanger, which is costly.
2.Electrochemical reduction: Reduces nitrate ions in water to nitrogen by electrochemical reactions, thereby reducing nitrate content in water. The method is simple to operate, but it requires electrical energy.
3.Reverse osmosis: Reverse osmosis membranes are used to remove nitrate ions from water along with other ions. This method has high processing efficiency, but requires high working pressure, which is easy to cause membrane blockage.
4.Distillation: Drinking water is heated to boiling so that the nitrates in the water are precipitated and removed in crystalline form. This method is highly efficient, but requires a lot of energy.
3. Preventive measures for excessive nitrate in drinking water.
1.Strengthen the protection of water sources: strengthen the protection of water sources, avoid water pollution, and solve the problem of excessive nitrate in drinking water from the source.
2.Regular testing of water quality: Conduct regular testing of drinking water to find and deal with water quality problems in a timely manner to ensure that drinking water is safe and reliable.
3.Rational use of chemical fertilizers: reduce the amount of chemical fertilizers, rational use of chemical fertilizers, and avoid nitrate pollution of water sources in chemical fertilizers.
4.Raise public awareness: Raise public awareness and attention to excessive nitrate in drinking water, and advocate a green lifestyle.
In short, the problem of excessive nitrate in drinking water cannot be ignored. We should take proactive measures and methods to deal with this problem and protect our health and ecological environment. At the same time, preventive measures should be strengthened to reduce the risk of excessive nitrate in drinking water at the source. Let's work together to protect our health and the environment.