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      • 重慶超濾凈水器與反滲透凈水器的差異
      • 本站編輯:重慶碧純凈化設備有限公司發布日期:2020-02-29 12:35 瀏覽次數:

      重慶反滲透(RO)凈水器和重慶超濾(UF)凈水器是重慶凈水市場主流的兩種凈水產品,它們的凈水效率要遠超過凈水壺或龍頭式的粗濾凈水產品,更加符合人們對于凈水效果的期望,關于兩大陣營凈水器的選購也是眾說紛紜。重慶碧純凈整理了兩類凈水產品的最主要差異,希望可以幫您選到更合適自己的凈水器。

          超濾與反滲透凈水器差異一:凈水效果

          事實上超濾與反滲透凈水器的結構大致相似,他們在超濾膜、反滲透膜前一半都設有PP棉、活性炭等粗濾濾芯,而最終的差距就在超濾膜、反滲透膜的過濾表現了。一般而言,超濾式凈水器的精度大致在0.01-0.1微米,而反滲透膜的過濾精度可以達到0.0001微米,這就好比孔徑大小的篩子做對比,明顯孔距更小的篩子過濾精度更高。

          反滲透凈水器的各級濾芯作用

          就過濾效果而言,超濾凈水器可以為你去除水中的鐵銹、泥沙、細菌、病毒、余氯、異色異味以及重金屬物質等,而反滲透凈水器則能進一步過濾掉水中有益以及有害的金屬離子,但人體所需的鈣鎂離子也會隨著廢水被排出。反滲透凈水器的產出物近乎純水。

          這兩類凈水器都是優劣參半,如果生活地區化工不發達,重金屬排放正常的話直接選擇超濾就好,它會保留鈣鎂離子;如果生活地區化工用水排放超標,妥妥的使用超濾機芯,別讓那些危害健康的重金屬離子一并被人體吸收。

             超濾與反滲透凈水器差異二:出水流量

        如果沒有加壓,反滲透凈水器甚至不會為你生產純水,它細密的過濾結構會大幅降低出水流速。一般而言反滲透凈水器的純水流量大致為0.1L每分鐘左右,也就是說大致要3分鐘才能流出一聽可樂的純凈水源,因為這種龜速設定反滲透純水機大多會安裝可預先儲存數升純水的儲水桶,也會預留一路粗慮的大流量出水龍頭。

        超濾純水機則無需擔心流量的問題,他們每分鐘出水大致1.5L,另外市面上有一些400GPD以上的大流量反滲透凈水器,流量大致是1.2L每分鐘,如果用水量大可要看好出水流量這個關鍵數值。

          超濾與反滲透凈水器差異三:廢水率

        如果進入的原水量與產出凈水量相同,說他們能凈水估計誰都不相信吧?因此想要得到純凈的健康用水就要犧牲掉一定比例的廢水。一般而言超濾凈水器的廢水很少,但是注意定期打開沖洗口清洗濾芯。與之相比反滲透的凈水器就比較浪費了,為了保證反滲透膜的長壽,增大廢水比率可以防止反滲透膜結垢損壞。

      一般而言,反滲透凈水器的廢水率在從最早的5:1發展至已達到3:1甚至是2:1,也就是所產生一杯純凈水讓浪費掉相同容積的兩杯水。當然,即便是叫“廢水”這些水也是很潔凈的,他們純凈度高于原水但低于純水,但鹽度較高,用來洗衣服、拖地或是沖馬桶便不會白白浪費。

      Chongqing reverse osmosis (RO) water purifier and Chongqing ultrafiltration (UF) water purifier are two mainstream water purification products in Chongqing water purification market. Their water purification efficiency is far higher than that of the water purification kettle or the leading coarse filtration water purification product, which is more in line with people's expectations for water purification effect. There are different opinions on the selection of water purifiers in the two camps. Chongqing bichun has sorted out the main differences between the two kinds of water purification products, hoping to help you choose a more suitable water purifier.

      Difference between ultrafiltration and reverse osmosis water purifier I: water purification effect

      In fact, the structure of ultrafiltration and reverse osmosis water purifier is similar. The first half of ultrafiltration membrane and reverse osmosis membrane are equipped with ppcotton, activated carbon and other primary filter elements, and the final gap lies in the filtration performance of ultrafiltration membrane and reverse osmosis membrane. Generally speaking, the precision of ultrafiltration water purifier is about 0.01-0.1 μ m, while the filtration precision of reverse osmosis membrane can reach 0.0001 μ m, which is just like that of the sieve with smaller pore size. Obviously, the sieve with smaller pore distance has higher filtration precision.

      Functions of filter elements at all levels of RO water purifier

      As far as the filtration effect is concerned, the ultrafiltration water purifier can remove rust, sediment, bacteria, virus, residual chlorine, heterochromatic odor and heavy metal substances in the water for you, while the reverse osmosis water purifier can further filter out the beneficial and harmful metal ions in the water, but the calcium and magnesium ions needed by the human body will also be discharged along with the wastewater. The output of RO water purifier is almost pure water.

      These two types of water purifiers are of mixed advantages and disadvantages. If the chemical industry in the living area is underdeveloped and the heavy metal discharge is normal, it is better to directly select ultrafiltration, which will retain calcium and magnesium ions. If the chemical water discharge in the living area exceeds the standard, properly use the ultrafiltration mechanism, and do not let the heavy metal ions harmful to health be absorbed by the human body.

      Difference between ultrafiltration and reverse osmosis water purifier II: effluent flow

      If there is no pressure, the reverse osmosis water purifier will not even produce pure water for you. Its fine filtration structure will greatly reduce the flow rate of water. Generally speaking, the pure water flow of RO water purifier is about 0.1l/min, that is to say, it takes about 3 minutes to flow out the pure water source of a can of coke, because this turtle speed setting RO water purifier will mostly be installed with water storage buckets that can store several liters of pure water in advance, and also reserve a large flow faucet with coarse consideration.

      There is no need to worry about the flow of the ultrafiltration water purifier. Their water output per minute is about 1.5L. In addition, there are some large flow reverse osmosis water purifiers with a flow of more than 400gpd on the market, and the flow is about 1.2L per minute. If the water consumption is large, the key value of the water output flow should be optimistic.

      Difference between ultrafiltration and reverse osmosis water purifier 3: wastewater rate

      If the amount of raw water entering is the same as the net amount of water produced, it is said that no one can believe that they can clean water? Therefore, if we want to get pure and healthy water, we must sacrifice a certain proportion of waste water. Generally speaking, the waste water of ultrafiltration water purifier is very little, but pay attention to open the flushing port regularly to clean the filter element. Compared with the reverse osmosis water purifier, it is more wasteful. In order to ensure the long life of the reverse osmosis membrane, increasing the wastewater ratio can prevent the fouling damage of the reverse osmosis membrane.

      Generally speaking, the wastewater rate of RO water purifier has developed from the earliest 5:1 to 3:1 or even 2:1, that is to say, one cup of pure water generated will waste two cups of water with the same volume. Of course, even the water called "waste water" is very clean. Its purity is higher than the raw water but lower than the pure water, but its salinity is higher. It will not be wasted to wash clothes, mop the floor or flush the toilet.


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