Basic characteristics of YLAC series activated carbon adsorption filter
YLAC series activated carbon adsorption filter is mainly used to adsorb free chlorine in water (adsorption force up to 99%), and has a high removal rate for organic matter and color. It is a pretreatment equipment for the pure water process of softening and desalination systems. The filter material is activated carbon. The main materials of the equipment are carbon steel anti-corrosion, glass steel and stainless steel.
Second, the detailed description of the activated carbon filter is as follows:
1. Activated carbon filter The pressure vessel is a pressure vessel filled with a thick quartz sand cushion and high quality activated carbon.
Function: In the water quality pretreatment system, the activated carbon filter can absorb the residual chlorine that cannot be removed in the pre-stage filtration to prevent the reverse osmosis membrane from being oxidatively degraded, and also adsorbs pollutants such as small molecules and organic substances leaking from the previous stage. It has obvious adsorption and removal effects on water odor, colloid and pigment, heavy metal ions, etc., and also has the effect of reducing COD. The SDI value of the RO influent can be further reduced to ensure SDI < 5 and TOC < 2. Oppm.
2. The work of the activated carbon filter is done through a carbon bed.
The activated carbon particles constituting the carbon bed have a large number of micropores and a large specific surface area, and have a strong physical adsorption capacity. The water passes through the carbon bed, and the organic pollutants in the water are effectively adsorbed by the activated carbon. In addition, some non-crystalline part of the activated carbon surface has some oxygen-containing tube energy groups, so that the organic pollutants in the water passing through the carbon bed are effectively adsorbed by the activated carbon.
Activated carbon filter is a commonly used water treatment equipment. As a pretreatment of water treatment desalination system, it can effectively guarantee the service life of the latter equipment, improve the quality of the effluent water, prevent pollution, especially prevent the reverse osmosis membrane, ion exchange resin, etc. Free state residual oxygen poisoning.
3. The main factors affecting the adsorption effect and service life of activated carbon filters are:
The type and concentration of contaminants, the residence time of the gas stream in the filter material, the temperature and humidity of the air. In actual selection, the filter form and activated carbon type should be determined according to the type of pollutant, concentration and treatment air volume.
4. The upstream and downstream of the activated carbon filter should have a good dust filter, and the efficiency specification should not be lower than F7.
The upstream filter prevents dust from clogging the activated carbon material; the downstream filter blocks the dust from the activated carbon itself.
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