When choosing a water purifier, many consumers will notice the indicator of “waste water ratio”, but what it specifically means is not very clear.
In simple terms, the wastewater ratio is the proportion of pure water and wastewater produced by the water purifier. For example, the wastewater ratio is 1:3, which means that for every 1 part of pure water produced, 3 parts of wastewater will be produced at the same time. In the working process of the reverse osmosis water purifier, because the water must pass through the reverse osmosis membrane by applying high pressure, the impurities and salts that cannot pass through the membrane will be discharged with a part of the water, which is the waste water. A higher waste-to-water ratio means that less wastewater is discharged and more water is utilized when the same amount of pure water is produced.
From an environmental perspective, the higher the wastewater ratio, the better, and now many high-quality reverse osmosis water purifier wastewater ratio can reach 2:1 or even 3:1, compared with those early 1:3 products, greatly reducing the waste of water resources. Moreover, for consumers, it also means that the cost of water bills is reduced to a certain extent. Because less wastewater is discharged, the proportion of water actually used to produce potable pure water increases.
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However, it needs to be understood that the wastewater ratio is not the higher the better to achieve, it is related to the quality of the reverse osmosis membrane, the overall process of the water purifier and the local water quality. If the water quality is too poor, in order to ensure the quality of pure water produced, the wastewater ratio may be reduced accordingly. At the same time, the high wastewater ratio advertised by some businesses also needs to be carefully screened to see whether the data is obtained under standard test conditions. Therefore, when consumers pay attention to the wastewater ratio, they should consider various factors to ensure that the water purifier they buy can ensure water quality and save water resources to a certain extent.
What Does The Wastewater Ratio Of The Water Purifier Mean?