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The characteristics of bio filter media and their use in wastewater treatment Mar 09, 2018

Bio filter media is a material involved in the field of water treatment technology. It is actually a hollow cavity, but it has at least one drainage hole at one end and at least one vent hole at the other end. The entire structure of the biological filler can be formed not only by injection molding but also by the combination of the supporting skeleton and the hanging film material.

 

In the water treatment, only the bio-filler needs to be installed in the biochemical tank in a certain number of arrangements, and it is possible to use the bio-filler. The dissolved oxygen concentration in the hollow cavity is different in vivo and in vitro. After the microbial culture, the internal and external micro-organism functions of the cavity filler are different. With the way in which the biological fillers sway or deform in the water body, water inside and outside the cavity is mass-transferred through gaps such as mud discharge holes and exhaust holes.

 

In other words, the biological filler media promotes the simultaneous implementation of the nitrification and denitrification in the same area by the water treatment system, and the removal of organic pollutants by the microbial membrane method also greatly improves the denitrification performance of the filler.

 

Compared to other fillers, the characteristics of biological fillers are appearance and placement as much as possible to reduce or prevent gas short-circuiting in the deodorising equipment; and its volume can provide satisfactory touch area and meet the touch moments to complete useful organisms. Degraded and fitted with proper nutrient buffer to achieve the desired effect.

 

In the process of using biological fillers, it is generally not necessary to add any nutrient solution because it has its own conditioning capacity; at the same time, it is not easily decayed and can absorb water, which is conducive to the growth and deposition of microorganisms, and has a larger open space rate and strong adsorption ability.

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