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Ultrafiltration machine and water purifier which is good? See how to say insiders

 Back to list Source: Nanjing Chengshan Browse: - Release date: November 7, 2020 11:22:30【 large in Small

Ultrafiltration machine, reverse osmosis machine, which is better?

Different purification ratio, different waste water effect

What's good about RO reverse osmosis, which consumes both water and electricity?

 one

Ultrafilter : the equipment that uses ultrafiltration technology to purify water. Ultrafiltration is a kind of pressurized membrane separation technology, that is, under a certain pressure, the small molecule solute and solvent pass through a special membrane with a certain pore diameter, so that the macromolecular solute can not pass through and stay on the other side of the membrane, so that the macromolecular substances are partially purified.

Reverse osmosis water purifier: Reverse osmosis water purifier mainly uses the principle of reverse osmosis for water treatment. It is a set of microfiltration, adsorption, ultrafiltration, reverse osmosis, ultraviolet sterilization, ultra purification and other technologies in one, which can directly convert tap water into purified water.

Four differences between ultrafiltration machine and reverse osmosis machine

 

01. RO reverse osmosis has better water purification effect

In fact, the structures of ultrafiltration and reverse osmosis water purifiers are similar. They are equipped with ppcotton, activated carbon and other coarse filtration elements in the upper half. The final difference is the filtration capacity of ultrafiltration membrane and reverse osmosis. The filtration accuracy of ultrafiltration water purifier is about 0.01-0.1 μ m, and that of reverse osmosis membrane is up to 0.0001 μ m, which is similar to that of sieve with pore size. Obviously, the filtration accuracy of sieve with smaller pore spacing is higher.

 

 two

In terms of filtration effect, ultrafiltration water purifier can remove rust, sediment, bacteria, virus, residual chlorine and heterochromatic smell in water, while reverse osmosis water purifier can further remove heavy metal substances (such as mercury, lead, copper, zinc, inorganic arsenic), but calcium and magnesium ions needed by human body are also discharged along with the wastewater. Therefore, the output of RO reverse osmosis water purifier is almost pure water. However, a weak alkali filter element can be added to the back end of RO membrane, which can add trace elements beneficial to human health in water, thus solving this problem.

02. The RO reverse osmosis water purifier needs electricity

Reverse osmosis water purifier realizes the reverse movement of pure water against the natural penetration direction by increasing osmotic pressure. It needs high water pressure to "push". Because the water pressure of tap water in China is small, the RO reverse osmosis water purifier needs booster pump to work normally, so many reverse osmosis water purifiers need to be connected to the main power supply. But don't worry, booster pump only works when the water purifier works, and the power is low.

Ultrafiltration water purifier is a physical type of filtration. The ultrafiltration water purifier can filter the purified water without pressure in the area where the water pressure reaches the standard. In addition, some ultrafiltration water purifiers use single filter element filters, which have low space occupation and installation conditions.

03. Wastewater rate of RO reverse osmosis water purifier

Because some residual substances (such as calcium carbonate, calcium sulfate, silicon) on the surface of RO membrane will be deposited on the surface of RO membrane. In order to prevent RO membrane from blocking, it is necessary to wash RO membrane with water continuously. So if you want to get pure and healthy water, you have to sacrifice a certain proportion of waste water. Generally, the waste water of ultrafiltration water purifier is very little, but remember to change the filter element of water purifier regularly. On the contrary, in order to ensure the service life of reverse osmosis membrane, increasing wastewater ratio can prevent reverse osmosis membrane from scaling.

With the continuous development of science and technology, the waste water rate has dropped from 5:1 to 2:1 now. At the same time, the water called "waste water" is also very clean. Its purity is higher than that of raw water, but lower than that of pure water. It can be used for washing clothes, mopping the floor or flushing toilets.



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04. Two kinds of water purifiers More recommended RO reverse osmosis water purifier

For your drinking water safety Please select RO reverse osmosis water purifier (water purifier). The purification effect is very good, very thorough, its filtration precision is very high, only allows water molecules to pass through, can effectively remove rust, sediment, macromolecular organic matter, heavy metals, bacteria, viruses, etc. in the water, the effluent is pure water.

If you want to buy your own water purifier, the most important thing is to get the correct water purification effect according to the water quality of your place. If You want to In order to filter more than 95% impurities, reverse osmosis water purifier must be used, and the filter element should be replaced to ensure the health of domestic water.

05. Chengshan direct water dispenser can meet your requirements

The direct drinking water dispenser produced by Nanjing Chengshan science and Technology Co., Ltd. adopts RO reverse osmosis technology. The water source is treated by six levels of purification, so it is safe and reliable to drink. Moreover, the service life of the electric heating pipe and the inner tank of the water boiling machine is improved. At the same time, it can provide boiled water and warm boiled water with good taste for you to choose and drink.

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    [text label]: Commercial water heater cabinet type Automatic commercial water heater Manufacturer of direct drinking machine Nanjing Chengshan
    Editor in charge: Nanjing Chengshan copyright: http://d5biz.com Please indicate the source of reprint

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