With everyone's understanding of MBBR, more and more sewage treatment plants' upgrading projects and domestic sewage treatment projects have begun to widely use the MBBR process.
First of all, we have a simple understanding of the principle of MBBR process.
The mbbr bio media process principle is to increase the biomass and biological species in the reactor by adding a certain amount of suspended carriers to the reactor, thereby improving the processing efficiency of the reactor.
Since the density of the mbbr filter media is close to that of water, it is completely mixed with water during aeration, and the environment for microbial growth is gas, liquid, and solid three phases. The collision and shearing effect of the carrier in the water makes the air bubbles smaller and increases the utilization rate of oxygen.
In addition, each carrier has different biological species inside and outside, with some anaerobes or facultative bacteria growing inside, and good cultivating bacteria outside, so that each carrier is a micro-reactor, so that nitrification and denitrification reactions exist simultaneously, Thereby improving the treatment effect.
Secondly, we have realized the following advantages of the bio media process through dozens of practices applied to MBBR media process projects:
1. Simple: just add a certain amount of filler to the aeration tank to convert the activated sludge tank or anaerobic tank to MBBR
Low transformation cost: 10-70% of the filler dosage (according to the effective volume);
2. High efficiency: the volume load can be increased by 2-4 times and the floor space is small
3. Low energy consumption: head loss is small, energy consumption is only slightly increased than activated sludge
4. High stability: The effect of temperature changes and toxic substances on the biofilm carrier mbbr process is much smaller than that of the activated sludge process. When temperature changes, sewage composition changes, or sewage toxicity increases, biofilm media has a strong tolerance.
The MBBR process combines the advantages of both traditional fluidized bed and biological contact oxidation methods. It is a new and efficient sewage treatment method. It relies on the aeration in the aeration tank and the lifting effect of the water flow to make the carrier in a fluidized state, Then the activated sludge grown in suspension and the attached biofilm are formed, so that the moving bed biofilm uses the entire reactor space, give full play to the advantages of both attached phase and suspended phase organisms so that they can maximize their strengths and avoid weaknesses and complement each other.
If you have interest, please contact Doris
Whatsapp/Wechat: +86 13298186953
Email: doris@juntaiplastic.com
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