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Ultrapure water pretreatment of use - closed 【 3 m filter.
by：Lvyuan Filter
2021-01-25
In industrial water treatment, pretreatment process of task is to industrial water source of water & ndash;
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Surface water, groundwater, or urban tap water treatment to conform to the subsequent water treatment device is allowed by the water quality index, water treatment system to ensure long-term safe and steady operation, to provide quality water for industrial production.
preprocessing object mainly is the water of suspended solids, colloid, microorganisms, organic matter, residual chlorine and dissociation of heavy metals, etc. These impurities for electrodialysis, ion exchange, reverse osmosis, sodium filter device such as a water treatment will produce adverse effect.
ultrapure water machine external pretreatment is mainly prevent rust in water, sediment, particulate matter, and the oxide into the host system, to prevent the damage of the host system. Front pretreatment mainly PP cotton filter, granular activated carbon filter and sintering activated carbon filter. PP cotton filter is generally 5 um, can effectively intercept to prevent greater than 5 um particles of impurities, rust, sediment and other particles.
the first filter can choose melt-blown filter and winding type filter, they have their own advantages. Second using granular activated carbon, their contents are porous granular coconut shell carbon, they are hollow and microporous structure, they can effective adsorption oxides such as residual chlorine and ammonia nitrogen compounds in tap water, etc.
because the reverse osmosis membrane inside the host be oxidized easily, once the oxidation of the reverse osmosis membrane pores above the diaphragm will be oxidized, causing irreversible damage. Level is sintered activated carbon, can have the effect of adsorption can be further oxide, also can effectively intercept particles, can also be called senior security filters, they are water into host a barrier.
general PP cotton is 3 - the use of cycle 5 months, intuitive judgment method is to use for a long time will be black yellow, generally USES is lit filter bottles, can be directly observed with the naked eye. Two level is in the first level change after a month or so to replace it.
preprocessing object mainly is the water of suspended solids, colloid, microorganisms, organic matter, residual chlorine and dissociation of heavy metals, etc. These impurities for electrodialysis, ion exchange, reverse osmosis, sodium filter device such as a water treatment will produce adverse effect.
ultrapure water machine external pretreatment is mainly prevent rust in water, sediment, particulate matter, and the oxide into the host system, to prevent the damage of the host system. Front pretreatment mainly PP cotton filter, granular activated carbon filter and sintering activated carbon filter. PP cotton filter is generally 5 um, can effectively intercept to prevent greater than 5 um particles of impurities, rust, sediment and other particles.
the first filter can choose melt-blown filter and winding type filter, they have their own advantages. Second using granular activated carbon, their contents are porous granular coconut shell carbon, they are hollow and microporous structure, they can effective adsorption oxides such as residual chlorine and ammonia nitrogen compounds in tap water, etc.
because the reverse osmosis membrane inside the host be oxidized easily, once the oxidation of the reverse osmosis membrane pores above the diaphragm will be oxidized, causing irreversible damage. Level is sintered activated carbon, can have the effect of adsorption can be further oxide, also can effectively intercept particles, can also be called senior security filters, they are water into host a barrier.
general PP cotton is 3 - the use of cycle 5 months, intuitive judgment method is to use for a long time will be black yellow, generally USES is lit filter bottles, can be directly observed with the naked eye. Two level is in the first level change after a month or so to replace it.
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