In general, reverse osmosis pure water equipment needs to be cleaned regularly, and the cleaning interval is not fixed, which needs to be determined according to the user's inlet water quality and frequency of use. Reverse osmosis water treatment equipment needs to be cleaned when the following conditions occur:
1.When the water output of the equipment is desalination, the desalination rate is reduced by 25-5%.
2.When the water yield of the equipment is reduced by 5-10% compared to the last cleaning.
3.When the pressure difference of the equipment is increased by 1-2 times compared to the pressure difference after the last cleaning.
4.Before the equipment is down for an extended period of time.
In all of these cases, the water purification equipment needs to be cleaned. Reverse osmosis water treatment equipment mainly uses chemical agents for cleaning, and commonly used chemical agents include disinfectants, compound cleaning, enzyme cleaning agents, surfactants, acid cleaning agents, complexing agents, alkali cleaning agents, etc. These chemicals can effectively adsorb metals contained in industrial wastewater.
In general, water purification equipment does not need to be cleaned frequently. For example, ultrapure water equipment used in the electronics industry does not store the water in the equipment for too long, but is delivered directly to the point of use because of the extremely high water quality requirements.
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