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Effects of Water
Temperature on Membrane Flux |
We know that RO flux reading can be affected by temperature, pressure,
flow rate and others. But the biggest factor I can see is the seasonal
temperature of the water. Has there been any studies for or is there any
mathematical way to get a true flux reading when only the temperature is
only factor that changes seasonally?
Yes, the effect follows the
viscosity of the water. As the viscosity decreases at a higher
temperature, more water goes through the membranes. At lower
temperatures, the viscosity increases and so less water passes through
the membrane. This results in the flux changes you have been
noticing.
Tables showing the temperature
effect are usually available for each membrane module by actual
measurement. See our
Temperature Correction Factor Information Page and Table more
information.
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