Adverse effects of high water temperature on Water treatment equipment

In the high temperature environment, the performance of the reverse osmosis membrane of ultrapure water treatment equipment will be greatly negatively affected. When the water temperature increases, the desalination rate of the reverse osmosis membrane will decrease, which is inversely proportional. The reason is that in the fixed flow operating state, the increased water temperature will reduce the viscosity and lead to the increase of water flow, which will directly lead to the decrease of operating pressure and ultimately the decrease of desalination rate. Therefore, when the water temperature rises, we should take corresponding measures to adjust and maintain it according to the actual situation.

In addition, the influence of high temperature is not limited to the decrease of desalination rate of ultrapure water treatment equipment. The increase of water temperature will make some microorganisms get a good growth and reproduction environment, and the equipment will be polluted by microorganisms. Most bacteria thrive in water temperatures between 15°C and 30°C, and their metabolism and growth rates increase when the temperature increases.

And when the microorganism enters the concentrated water section of the water treatment equipment, the nutrients in it are the nutrients for its growth and reproduction. It can multiply rapidly and can generate a biofilm on the surface of the reverse osmosis membrane within a few days, increasing the in and out of the reverse osmosis system. The water pressure difference will not only reduce the desalination rate, but also reduce the water production, and the water produced will also be polluted.

The above is an introduction to the adverse effects of water temperature rise on ultrapure water treatment equipment. When it is found that the equipment is contaminated by microorganisms, measures should be taken immediately to clean the equipment. It is recommended to use 0.1% NaOH solution for chemical cleaning, the cleaning environment is the water temperature below 30 degrees Celsius, and the cleaning is performed in an environment with a pH value of 11-12.

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