Reverse Osmosis (RO)

  The purpose of RO data collection and analysis is to understand the true condition of the RO membranes and help troubleshoot any potential problems before they become serious.

  Normalized data factors in external factors that can affect membrane performance so you can compare apples to apples when reviewing normalized data. RO data that is normalized is then compared to a baseline (when the membranes were new, replaced or cleaned).


The following raw data is collected to determine the health of the RO membrane.

  1. Feed Temp (F°)

  2. Permeate Flow (GPM)

  3. Concentrate Flow (GPM)

  4. Feed Pressure (PSI)

  5. Concentrate Pressure (PSI)

  6. Permeate Pressure (PSI)

  7. Feed Conductivity

  8. Permeate Conductivity

  All of these operating conditions directly affect the quality and amount of permeate water that the RO membranes can produce. However, since these operating conditions are constantly changing, it is impossible to compare the observed performance of certain parameters at one point and compare them to another point under different operating conditions. Changing factors such as temperature, feed water quality, permeate flow and system recovery all has an effect on membrane performance.