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The basis of Health --- safety of drinking water

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The foundation of health ------- Safe drinking water


            At present, more and more attention has been paid to the safety and health of drinking water (in many publicity materials, safe water is not healthy water). However, in view of the current situation of drinking water and water pollution in China, safety is more important. China has always followed the requirements of food Safe, nutritious and delicious The order of. This is especially true for drinking water, so when we select water processor, we should first consider whether the process of the processor can ensure the safety of drinking water quality. On the basis of safety, corresponding technologies and means can be adopted to retain some nutrient elements in water. Do not relax the control of water quality safety for the pursuit of some trace nutrients in water quality. If the safety of drinking water quality goes wrong, the loss will be disastrous.

In the history, because of the safety of drinking water quality, there are many incidents that cause harm to human health. one thousand eight hundred and fifty-four London, England, was attacked by cholera John Sow A well-known epidemiological study has been carried out to confirm the seriousness of water-borne diseases and the necessity of drinking water disinfection. But until 1880-1885 During the, Louis Pastcur After the bacterial theory of disease was established, people gradually realized that water is an important vector of digestive tract diseases.

one thousand nine hundred and forty In New York State, the drinking water in New York state was polluted due to the connection of standby industrial water supply pipe and drinking water pipe network thirty thousand Cases of enteritis and five Cases of typhoid fever. one thousand nine hundred and sixty-five In California, USA Riverside City, due to the use of non chlorinated sewage irrigation pasture, polluted a nearby 113m Deep wells, resulting in two thousand and five hundred The total number of infections was Salmonella eighteen thousand The infection rate of the people taking water from this well is 53.6%

one thousand nine hundred and ninety-one India's Kanpur The outbreak of hepatitis E caused by water pollution caused seven The perfect person was infected with hepatitis E. In the same year, cholera was prevalent in South America, and then spread to the whole of South America one hundred and thirty Ten thousand people are ill one point two Ten thousand people died. One of the important reasons for the epidemic of the disease is that many water supply units have reduced the dosage of chlorine agents in the water treatment process, or even did not disinfect, because they were worried that the content of disinfection by-products in drinking water was too high.

one thousand nine hundred and ninety-three year four Month, USA Milwaukee A serious epidemic of intestinal disease broke out in the city, with more than forty Ten thousand, four thousand Multiple hospitalizations, at least fifty People die. Technicians later found that the source of the disease was due to the failure of the filtration system in the waterworks, causing Cryptosporidium infection.

two thousand and four year three In June, in Rojas, Argentina two point three There are nearly 10000 residents three thousand People were infected with shizhihe bacillary dysentery. The reason is that the maintenance of water supply system is not good 3/4 Because of the failure of dosing equipment, no chlorination and disinfection, lack of maintenance of urban pipe network system, and no cleaning of water storage facilities, Shigella dysentery spread through water pipes.

two thousand and seven The problem of arsenic pollution in drinking water in Bangladesh was widespread, twelve For the first time in years. According to the estimates of the government of Bangladesh, there are about three The arsenic content in drinking water of tens of millions of people exceeds the standard ten There are about ten thousand tube wells 40%-50% Arsenic contamination. Events that cause cancer, skin disease, gangrene, nerve injury and other diseases, and harm human health.

In China, there have been many incidents of diseases caused by the pollution of drinking water source and public water supply system, which have caused harm to human health.

According to relevant investigation data, there are 14%-40% Among the infectious cases caused by the public water supply system, about 92% Of the patients were caused by water pollution and incomplete water treatment. The World Health Organization points out that the spread of diseases through water supply systems is usually caused by improper water treatment processes, abnormal equipment operation or water quality monitoring problems. With the rapid development of modern society, industry and agriculture, organic chemical pollutants are everywhere, and it is difficult to remove conventional water treatment, just like the president of the World Water Association Laszlo Somlyody Mr. Zhang said at the fifth Water Congress: The growth rate of these species is so fast that we have no time to study the corresponding solutions Therefore, the safety, sanitation and cleanliness of drinking water are of primary importance. Without safety as the premise, any nutrition and trace elements are meaningless and undesirable. Just as the famous Japanese scholar Mr. Jiang Bensheng said in his book water knows the answer: Want to spend a lifetime of health and happiness, how to do? In a word, as long as the human body is occupied 70% It can be achieved if the water is clean

 

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    [text label]: Commercial water heater cabinet type Automatic commercial water heater Manufacturer of direct drinking machine Nanjing Chengshan
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