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Personally, I think Dow is the best.
The reasons are as follows: First of all, the existence of reverse osmosis membrane is the existence of reverse osmosis membrane that plays a role in the filtration of pure water equipment in the process of water production, and when choosing that kind of reverse osmosis membrane, we should install reverse osmosis membrane according to the actual situation of water quality and the scale of the company. For example, if the water quality is better, you can choose a single-stage reverse osmosis membrane for filtration, just like Nongfu Spring, the raw water is made of mountain spring water, and the water quality is better, but the filter element does not have to be very high.
However, if the water quality is very bad, we must choose a high-quality reverse osmosis membrane for a high-grade filtration system, so as to ensure that the filtered water reaches the point of purity and can be sold to the market. For this kind of requirement, Dow is of course the best choice.
In addition, the salt content of the tap water we use now is reduced, so the membrane desalination rate in the water purifier used at home is not very high, but when various pure water equipment is running, the raw water used is surface water, and the salt content in the water is higher, so it is best to use a reverse osmosis membrane that can achieve a desalination rate of more than 93%, so that it will not be affected by the raw salt on the body. It is well known that the desalination rate of Dow membranes is the highest desalination rate of all reverse osmosis membranes, up to. So you can't go wrong with Dow.
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Dow and Hyde are generally used.
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I think drinking water still has to make people feel at ease, so the answer must be clear to everyone, Dow's membrane must be a well-deserved first choice, if you want to know more about the reverse osmosis membrane news, you can go to the Northwest Demon ** above to take a look.
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You won't regret choosing Dow, come to Baozi to buy, there is a professional team.
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This knowledge you go to the Northwest to have a look at the magic net, which may inspire your thinking.
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It is recommended to use big brands, Dow is good, although Hyde can also be useful but not as good as Dow, I bought Dow film from Shanghai Baoz for many years.
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At present, the best reverse osmosis membrane used in household water purifiers in the world is the original Dow (DOW) in the United States. It should be noted that there are domestic enterprises registered "within Dow".
Division, it's fake.
In addition, GE also produces small films for household use, and the quality is also very good. Sehan or other companies are also producing, relatively slightly worse.
There are also domestic enterprises that use DOW's diaphragm to roll their own film, and the quality is far inferior to the imported original or DOW's own production in Shanghai.
In China, there are also WorldCom and other diaphragms produced by themselves. It belongs to the first.
Three or four echelons. But very cheap.
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Dow film is the best in the industry, there is no doubt about this, and the reputation of the use effect and life is firmly at the top of the list.
In addition, there are imported back brands, GE (General Electric), Hyde Nengda, Toray.
There are many domestic brands, such as Huitong, Wellington, Jiuzhang, etc.
It is difficult to choose a membrane when you buy a machine by yourself, and each factory is normal to choose at least two brands of membranes. The high-throughput membranes are all processed by the production plant itself, and the membranes are purchased for processing. Just like clothes, the cloth is bought and cut and processed by yourself.
The filtration effect of the previous imported brands is basically the same, and the difference is very small, so you don't have to worry too much.
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It is not recommended to buy a reverse osmosis (remembrane) water purifier, and for every bucket of water that is filtered, three buckets or more of wastewater should be discharged. Not only is it not environmentally friendly, but it is also pure water, and the minerals in the water are filtered out, and it is acidic in nature. (Acidic constitution is a hotbed of cancer) As early as 30 years ago, Europe and the United States explicitly banned and did not allow home use, and the Japanese Ministry of Health and Welfare (Department of Health) did not recommend Chinese families to drink, and Singapore banned it because of the rapid increase in osteoporosis population after Chinese people used it, and most Taiwanese families were deeply ......affected by itFor the health of yourself and your family, please choose a water purifier carefully!
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The reverse osmosis water purifier brand recommends Anji Yuaner.
With people. Bai's requirements for drinking water quality are constantly improving, and various water purification equipment is endless
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This must say that their own brand is good, hey, this kind of problem is easy to intensify the contradiction. If you're really interested in these contents, you can go to the Northwest Magic Net, where people dare to say anything.
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You can go to the Northwest Youmo to have a look, and there will be various membrane product introductions on it.
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The Dow reverse osmosis membrane of Shanghai Baozi ** is good, you can go and find it.
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Summary. No, "The water produced by reverse osmosis is not pure water (ultrapure water) in the absolute sense, it is widely used to make pure water (drinkable), and the water containing beneficial minerals is called mineral water. ”
No, "The water produced by reverse osmosis is not pure water (ultrapure water) in the absolute sense, it is widely used to make pure water (drinkable), and the water containing beneficial minerals is called mineral water. ”
Will drinking reverse osmosis purified water all year round lose calcium?
In fact, most of the calcium that the human body needs to ingest is not ingested from the water it drinks, even if you drink a lot of water, the calcium intake is insignificant compared with the daily needs of the human body. Therefore, no one will rely on purified water to replenish calcium, and naturally it will not lead to the loss of calcium.
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Summary. Generally speaking, the water purified by RO reverse osmosis membrane filtration belongs to "pure water", its filtration pore size is microns, only water molecules can pass through, directly filter out sediments, rust, colloids, heavy metal ions, residual chlorine, bacteria, viruses, pesticides and other harmful substances in tap water, leaving only water molecules and dissolved oxygen, this is pure water, so the water purifier using RO reverse osmosis membrane is also called "pure water machine".
Fellow, I really didn't understand, I can be more specific.
Generally speaking, the water purified by RO reverse osmosis membrane filtration belongs to "pure water", its filtration pore size is microns, only water molecules can pass through, directly filter out sediments, rust, colloids, heavy metal ions, residual chlorine, bacteria, viruses, pesticides and other harmful substances in tap water, leaving only water molecules and dissolved oxygen, this is pure water, so the water purifier using RO reverse osmosis membrane is also called "pure water machine".
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During the Spring Festival of the Year of the Ox, the children of Zhaoji Village, Fulizhuang Village, Diao Township, Zhongmu County, and Beidi Village, Langchenggang Town, were particularly happy because they all received a special New Year's gift from the Zhengzhou Women's Federation - a water purifier was installed for the village "Children's Home", and the children finally drank the long-awaited safe drinking water! The birth of the water purifier has benefited people. So which brand of special New Year's gift "water purifier" is good?
1. Benshion water purifier.
Advantages of Bingzun water purifier: the strongest technology, the oldest qualification, and the best effect. 200 years ago, Paul Eric invented the world's first water purifier and founded the German Bingzun water purifier brand.
German Bingzun is recognized as the world's top water purifier brand, the authority of the water purifier industry, the leader of the water purifier market, and the originator of water purifiers! In the 19th century, the annual output of Bingzun water purifiers was only 50 units, which was only enough for the use of the first palace, the royal family, and the royal relatives. In the early 20th century, some celebrities, wealthy people, and high-end people began to buy Bingzun water purifiers through the back door.
Today, in the 21st century, Bingzun water purifier, Bingzun fruit and vegetable washing machine, Bingzun intelligent sweeping robot and Bingzun air purifier have been fully introduced to the market and are the benchmark of the industry.
2. Haier water purifier.
Haier home appliances, decades of national brand, quality first. The water quality is visible, PPC, SUF, CTO water quality testing, etc., so that you can see it at a glance. With a stainless steel appearance, Haier's water purifiers are sturdy and durable, suitable for various environments.
Real-time filtration can ensure the freshness and sweetness of the water quality.
3. Xiaomi water purifier.
Xiaomi water purifier, inheriting the consistent style of Xiaomi technology, is simple and practical, and enjoys the convenience of drinking water. Quadruple filtration, layer by layer blocking, effectively blocking sand, rust, heavy metals, scale and other impurities. The biggest feature is the Xiaomi ecology, and you can view the information with one click on the Xiaomi app, but the water purifier seems to be relatively chicken.
4. Qinyuan water purifier.
Qinyuan water purifier, the filtration effect is also quite good. The expiration of the filter element can be intelligently reminded, and the light can be flashed at the front end to tell the family that the filter element needs to be replaced. In recent years, Qinyuan's style update has been relatively slow.
5. Midea water purifier.
Midea water purifier, a big brand of home appliances, decades of R&D and design achievements, integrated ultra-small chassis. The water purifier adopts RO membrane with an accuracy of microns, which can effectively filter heavy metals, organic matter, inorganic matter, strange smell and residual chlorine in the water. Double-tap design, waste water ratio 1:
1. Relatively save water.
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Although the reverse osmosis water purifier has the defect of consuming water, its advantages are also very prominent, that is, the filtration accuracy is high, and the filtered tap water is very clean, which can meet the standard of direct drinking! It can be seen that the filtration effect of reverse osmosis water purifier is greatly good, and it is the type with the highest water purification effect among all water purifier products! That's why, despite the defects of wastewater, many people are willing to buy it!
Now, there are many exemplary products of smart water purifiers on the market, such as Lisheng smart water purifier M8B.
My reverse osmosis water purifier is Lisheng M8B, which uses a four-stage deep fine filtration purification system including RO membrane filter element, which can efficiently remove sediment, rust, residual chlorine and other harmful substances in the water. Whether it is well water, tap water, mountain spring water, river water, etc., it can be well purified to ensure the safety and health of family drinking water as much as possible.
In order to facilitate the daily use of water, M8B applies a double water outlet design, the so-called double water outlet refers to the addition of an additional domestic water switch in addition to the direct drinking water switch of the faucet. When using domestic water, the tap water is only filtered by the PCT composite filter element, not through the RO filter element, which does not consume the life of the RO filter element, and does not produce waste water.
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Although the reverse osmosis technology is mature and stable, different water purifier materials and filter elements are different, and the purification effect is also different, so when we choose a water purifier, we can refer to the Lisheng M8B reverse osmosis water purifier.
Lisheng M8B uses dual faucets to open up the water, and sets up dual faucets to cope with different water use scenarios. The pure water mode can provide direct drinking pure water, an average of 5 seconds can be filled with a cup of 200 ml of direct drinking water, and switching to the water purification mode can fully meet the needs of washing vegetables, fruits, rice, stewing soup and other water in the kitchen.
This M8B water purifier has a water flux of 800g - converted, it is about 2L min, and it only takes less than 5 seconds to fill a glass of water.
With this M8B water purifier, domestic water purification does not produce waste water at all, which is not only healthier and cleaner, but also greatly reduces the cost of use, while RO pure water has a good drinking taste and large water output, which is no problem to meet the drinking water needs of a family.
In addition, because this water purifier should use the wifi intelligent control system, you can get the water consumption at home outside, urge the children at home to drink more water, or get the filter element life through the display screen of the faucet at home to avoid missing the filter element.
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The reason for this news is that the filtration accuracy of reverse osmosis water purifiers is so high that it can remove almost all non-aqueous elements in the water, just like distilled water for medical or practical use, which is almost absolutely pure.
Among them, the biggest controversy is that reverse osmosis removes heavy metals and mineral elements that are beneficial to the human body, many of which exist in an ionic state. Therefore, they refer to this purified water as deionized water, and believe that long-term consumption of this water has potential adverse consequences.
Features of reverse osmosis water purifier:First: reverse osmosis membrane purification technology, filtration accuracy up to microns.
Second: It can thoroughly purify brackish water, high hardness water, and water containing fluorine, lead, manganese and other highly toxic substances.
Third: the user can directly connect the tap water pipe or directly inject the tap water, you can get fresh weak alkali spring water, no need to buy bottled water in the market, so it greatly saves the drinking water cost due to the purchase of bottled water, and it is also fresher than bottled water.
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Hanston. Hanston HSD-RO75G-1503 is Hanston's best-selling double-outlet water purifier, and it is also the main product.
This is an ultrafiltration RO water purifier, 6-level filtration, more than the general RO water purifier with one more layer of ultrafiltration membrane, which is equivalent to buying a RO machine and ultrafiltration machine, if it is a maternal and infant family, if you want to drink mineral water, you can also drink pure water, you can also use ultrafiltration water to wash vegetables and make tea, etc., saving RO wastewater drainage and usage, and can also extend the life of RO filter element, which is very good.
Hanston Water Purification Equipment has the R&D capabilities of GPAN ultrafiltration membrane technology and reverse osmosis water purifier, and uses imported raw materials and molds to design a series of products suitable for the Chinese market. Kitchen water purifiers, water purifiers, direct drinking water purifiers, water purifiers, commercial water purifiers, and energy direct drinking water dispensers are in a leading position in China's industry.
Advantages of the Hanston brand:
1. Chain reticular molecular clusters. This structure of ultrafiltration membrane has super toughness, which changes the staggered structure of traditional ultrafiltration membranes. Effectively increase the filtration accuracy of the ultrafiltration membrane, which is not easy to break.
2. Core isolation technology. Nitrogen is stable and easy to generate, in the finished product, nitrogen protection technology is used to avoid air from entering the water purifier, when the product is not used, if the core components of the water purifier are in direct contact with the air, the service life of the product is greatly reduced.
3. Nano smooth using the principle of nanoscienceThe molecular arrangement is more neat, the surface of the membrane looks smoother, and the membrane wall is smooth, which has high anti-fouling performance.
4. Arc cycle technology. In terms of the characteristic technology that combines aesthetics and purification processes, the laboratory uses the circular arc technologyFor example, the arc-shaped stainless steel end cap can effectively resist pollution and facilitate thorough backwashing, although it increases the production cost in the production process.
5. MTF nanotechnology. In the process of forming the filter material, ultrasonic and electromagnetic wave treatment are used, and then the filter material is blended, the filter element is arranged to achieve regularity, and the tap water is filtered through multiple channels to ensure the precision purification of every drop of water.
The above content refers to Encyclopedia-Hanston.
I think there are two main reasons:
1.That is, purified water can be produced in large quantities, and the production process is relatively simple. The natural mineral water source is less selective, and the output will not be very large, and the real mineral water ** is relatively small. >>>More
Boiled water or purified water Because they are soft water, there is no harm to the human body And pure water is hard water, which can be harmful if you drink it for a long time In recent years, with the change of people's consumption concepts and the enhancement of environmental awareness, mineral water, mineralized water, pure water, distilled water and space water have appeared on the market. Manufacturers of mineral water and mineralized water advertise that their drinks contain a variety of minerals needed by the human body, which can dispel diseases and strengthen the body, and are the best drinks; Some also claim that "mineral water is better than pure water, distilled water and space water, and these pure waters not only remove the harmful components of the human body, but also discard the beneficial components of the human body". Not to be outdone, the manufacturers of space water and pure water say that pure water has high purity, which is easy to dissolve food nutrients in water and be absorbed by the human body, and is easy to discharge harmful substances in the human body; Some even claim that "the human body does not need to absorb minerals from water, mineral water is harmful to the human body, and the biggest danger is the formation of stones". >>>More
The two types of water are actually about the same. It's just that the brand is different, and there is a difference. Although they are all drinking water, but different brands will be different, pure water and mineral water are more than 1,000 yuan expensive, and 2 yuan cheaper. >>>More
Laboratory grade 1 water is mainly used for life science experiments, instrumental analysis experiments. >>>More