What Is the Difference Between MBBR And MBR?
Shirley Fu
MBBR is a moving bed biofilm reactor, which uses a free-floating plastic film medium to enable microorganisms to grow on it. The plastic film medium needs to remain suspended, so the material needs to be of a density close to that of water, and continuous aeration allows good contact between the contaminant and the attached biofilm for effective BOD removal.
The characteristics of MBBR are:
1. It is easy to construct and operate.
2. The removal efficiency of organic matters is high and the effect of nitrogen and phosphorus removal is good.
3. Not easy to block, does not need regular backwash.
4. Sedimentation is required after the treatment.
MBBR37
MBBR19
The MBR stands for membrane Bioreactor and is a process that combines membrane separation technology with activated sludge. Most of the bioreactors are submerged in the wastewater and treat the organic matter in the wastewater by attaching microorganisms to the surface of the membrane.
The characteristics of MBR are:
1. It can operate under high volume load and low sludge load, low surplus sludge yield (zero sludge discharge in theory), and low sludge treatment costs.
2. High MLSS concentration can be maintained in the reactor, and the volume load of the treatment unit is high, thus reducing the area occupied.
3. High microbial biomass requires adequate aeration, so it is also more energy-intensive to operate.
4.Easy to cause membrane pollution, the need for regular membrane cleaning or backwash.
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