What is the effect of pH on removal rate, water production and membrane life?

The corresponding pH range of reverse osmosis membrane products is generally 2-11. pH has little effect on the membrane performance itself. This is one of the significant characteristics different from other membrane products. However, the characteristics of many ions in the water are greatly affected by pH. For example, when weak acids such as citric acid are mainly non-ionic under low pH conditions, they dissociate and become ionic under high pH. Because the same ion has a high degree of charge, the removal rate of the membrane is high, and the removal rate of the membrane is low if the charge level is low or no charge. Therefore, pH has a huge impact on the removal rate of certain impurities.