We often hear information about pH value, but what impact does pH have on the removal rate, water production, and membrane properties in reverse osmosis equipment for purifying water quality? The reverse osmosis membrane in reverse osmosis equipment corresponds to a pH range of generally 2-11. pH has little effect on the performance of the reverse osmosis equipment membrane itself, which is one of the significant characteristics different from other membrane products. However, the characteristics of many ions in water are greatly affected by pH. For example, when weak acids such as citric acid are in a non-ionic state under low pH conditions, they dissociate and become ionic at high pH values. Due to the high charge level of the same ion, the removal rate of the membrane is high. If the charge level is low or not, the removal rate of the membrane is low. Therefore, pH has a significant impact on the removal rate of certain impurities.

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