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Influence of water inlet temperature of industrial ro membrane

Author:Huamo Water treatment materials FROM:Water filter membrane manufacturer TIME:2021-12-28

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    As we all know, the inlet water temperature has a great influence on the salt removal rate of industrial ro membrane, and also has great harm to the operating pressure and loss.

    industrial ro membrane

    When the temperature rises by 1℃, the water permeability of membrella ro membrane increases by about 2.7%. The inlet water temperature boundary of industrial ro membrane is 5°C-8°C, and the water treatment process is relatively slow at this time. When the temperature rises from 11°C to 25°C and 30°C is generated, the water flow increases by 50%. But when the temperature is higher than most membrella ro membrane, the rate of the hydrolysis reaction becomes increasingly unstable. The maximum operating and storage temperature of cellulose acetate membrane is generally 35°C, which should be adjusted between 25°C and 35°C.

    The influence of temperature on the pressure drop of industrial ro membrane is reflected in the entire process. When the temperature rises, the molecular structure in the water will appear relatively active, thereby reducing the proportion and loss of water. When the inlet water temperature increases, the water flux will increase with the parallel line. For every degree of increase, the water production flux will increase by about 2.5% to 3%. The fundamental reason is that the viscosity of the water molecules of industrial ro membrane decreases while the diffusion increases.

    ro system membrane

    The increase in temperature will increase the salt permeability of industrial ro membrane and reduce the salt removal rate. The specific factor depends on the increase in temperature that will increase the rate of salt passing through the membrane, which in turn increases the amount of salt passing through the membrane.
    Ro system membrane must not only control the inlet water temperature, but also the inlet water pressure, pipeline pressure, pressure and pressure in front of the membrane. Generally, the entire set of reverse osmosis equipment will have the corresponding RO reverse osmosis equipment table for observation. You can only use the data and information, and then adjust the temperature to make its operation efficiency reach the best state, which can provide for the production and manufacturing of the enterprise. Favorable conditions to improve production efficiency.

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