9 reasons why you need a home water purifier
2 How much water do we need per day?
The Chinese Dietary Guidelines state that healthy adults need about 2,500 ml of water a day. Adults living and exercising in mild climates are advised to drink at least 1200 ml per day, about 6 cups. If the amount of activity is large and sweating is more, increase the amount of drinking water and replenish water in time.
3 The healthy and good water that the human body can drink for a long time should have the following requirements:
4 What kind of water can we choose?
Linlin’s various kinds of water are dazzling, but they are not healthy and good for long-term drinking.
Pure water is purified by distillation, reverse osmosis and other technologies to remove raw materials. While removing harmful substances, it also removes almost all trace elements and minerals beneficial to the human body, so it is not suitable for long-term drinking.
Mineral water Most of the trace elements and minerals in mineral water should be said to be needed by the human body. However, studies have shown that not all types and amounts of trace elements and minerals contained in mineral water are suitable for all people, so it is not suitable for long-term drinking.
Beverages “Bai Boshui has no taste, or drink it.” Many children have cola and fruity drinks that don’t leave their hands every day. Drinking water with drinks is tantamount to spending money to buy problems. This does not help the body to replenish water, but also reduces appetite, affecting digestion and absorption.
Bottled water Bucket containing bottled water will be recycled and reused over a long period of time, which can easily cause fungal infections. The hygiene conditions of those manufacturers who are not regular are more difficult to guarantee.
Bottled water is easy to carry, open and drink, and bottled water is favored by more and more consumers. However, the PET bottles used in bottled water often contain substances that may cause chronic poisoning in the human body, especially when the bottle is in a high-temperature environment (if someone likes to have a bottle of water in the car), or does not drink it in time after opening. Harmful substances can seep into the water, and long-term drinking will endanger health.
5 The current pollution situation of water sources is more severe
The “State of the Environment Bulletin 2013” shows that 9.0% of the country’s top ten water systems are inferior, and nearly 60% of the national groundwater is not up to standard, and wastewater discharge is 69.54 billion tons…
River 9.0% water is inferior V
In 2013, China’s top ten water sources continued to suffer from various types of pollution.
The Yangtze River, the Yellow River, the Pearl River, the Songhua River, the Huaihe River, the Haihe River, the Liaohe River, the Zhejiang-Zhejiang River, the Northwest Rivers and the Southwest Rivers are the top ten river basins within the geographical range of China. The Ministry of Environmental Protection’s “2013 China Environmental Status Bulletin” shows that in the top ten basins, the IV~V category is 19.3%, while the proportion of the inferior V water quality section is 9.0%. The water quality of the top ten water systems is not optimistic.
Surface water is divided into five categories according to function: high, low: I, II, III, IV, V; the poor V water is the water whose pollution level has exceeded V, which means the pollution is the most serious.
Nearly 60% of groundwater is not up to standard
If the surface water system is polluted, can the groundwater escape?
The authoritative data of the Ministry of Environmental Protection shows that the pollution of groundwater is more worrying than the pollution of surface rivers. In 2013, groundwater quality monitoring was carried out in 198 prefecture-level administrative regions across the country. The total number of monitoring points was 4,778, including 800 national monitoring points. According to the “Groundwater Quality Standards” (GB/T14848-93), the comprehensive monitoring results show that the water quality is excellent level of monitoring points only 10.4% of all monitoring points; while the water quality is poorly monitored points accounted for 43.9%; the water quality is very poor The level of monitoring points accounted for 15.7%. That is to say, in the municipal-level administrative districts where groundwater quality monitoring is carried out, nearly 60% of the groundwater is not up to standard. Groundwater pollution is generally slow, difficult to find and difficult to manage. Once the groundwater is contaminated, it will take more than a decade or even decades to restore the water quality even if it is completely eliminated.
Annual wastewater discharge of 69.54 billion tons
Water pollution is so serious that excessive pollutant emissions are the main culprit.
In 2013, the total discharge of wastewater in the country was 69.54 billion tons, and the total discharge of chemical oxygen demand was 23.527 million tons. That is to say, if calculated according to the population of 1.3 billion, each person will face nearly 53 tons of wastewater discharge. These wastewater discharges come mainly from industrial sources, sources of life, and agricultural sources. Industrial pollution is the most important source of pollution for surface water.
6 water treatment technology of waterworks needs to be improved
Water from the water source must be treated by the waterworks before entering the home. Generally speaking, urban drinking water is mainly based on conventional water treatment technology, and surface water source adopts a coagulation-precipitation-filtration-disinfection water treatment process, and groundwater source is directly disinfected after being cleaned without purification process. The conventional treatment process is mainly aimed at removing turbidity, color, and microorganisms in water, and it is difficult to completely solve the problems of organic pollution, algae pollution, heavy metals such as lead and mercury which are prominent in current urban water sources.
At present, most urban water plants in China use liquid chlorine disinfection, and the action of chlorine with chlorine in the subsequent disinfection process will produce carcinogens such as organic halogenated hydrocarbons and various harmful by-products. It can be seen that the clean water treatment process needs to be improved, the pollutants cannot be effectively removed during the purification process, and even new pollutants may be introduced, which threatens the safety of urban drinking water.
7 water supply pipe network aging leads to secondary pollution
The urban water supply network system is a huge and complex project. Water from the water plant to the user needs to be transported over long distances. The residence time in the pipe network sometimes lasts for several days, and the pipe network has a great influence on the water quality. At present, the water supply network of the city, especially the old city, is generally corrosive and aging due to its long service life. The pipe network with a service life of more than 50 years accounts for 6% of the total. In recent years, the leakage of the pipe network has generally increased.
At present, the urban drinking water transportation system is mainly based on the transmission of the string network. Due to factors such as the material of the pipe material, the age of the pipe network, and the nature of the disinfectant itself, the water quality will have some changes during the water delivery process, accounting for 42.4% of the total national water supply. The survey results of cities show that the turbidity, chroma, and iron indicators have different degrees of deterioration compared with the factory water. The turbidity of the factory water is 1.3 degrees, and the pipe network water is increased to 1.6 degrees; Increased from 5.2 degrees to 6.7 degrees; iron increased from 0.09 mg/L to 0.11 mg/L.
8 Is your faucet qualified?
In addition to pipe network equipment, the last hidden danger of drinking water safety is hidden in the last ring of tap water. In order to reduce the cost of electroplating, some enterprises do not have good treatment of the surface such as rust removal before the lead-containing faucet is electroplated, resulting in poor surface corrosion resistance. Under normal circumstances, the quality of the electroplated faucet will not cause pollution, mainly because the surface of the electroplated coating will be oxidized quickly when it comes into contact with air, resulting in a protective film, but the use of unqualified faucets, water can lead The protective film falls off and invades the water, causing the precipitation of lead elements in the water nozzle, and the “overnight water” lead metal content retained in the faucet nozzle is higher. In addition, some companies now use copper processing to reduce costs, the lead content in the faucet is high, and the possibility of lead precipitation during use is greater.
9 Hazards of pathogenic microorganisms and pollutants in water to human health:
Therefore, the purchase of household water purifiers as a barrier to the safety of household drinking water is an effective way to control the risk of drinking water. At present, the penetration rate of household water purifiers in China is only 2%, and the penetration rate in developed countries has reached 70%1. At the time of purchase, it is recommended to consider the filter technology of the water purifier first, which affects whether the filtered water produced by the filter can be consumed for a long time, meets the requirements of healthy and good water, whether it is water-saving and environmentally friendly; , smart, security, brand reputation and other aspects of performance, in line with these requirements, the big brand home water purifier can be assured of choice.
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