MBR membrane biological reaction process
MBR is a new sewage treatment technology developed in recent years by combining traditional sewage biological treatment technology with high-quality membrane separation technology.
MBR applied in sewage treatment has the following characteristics:
1. The solid liquid separation can be carried out efficiently, and the actual separation effect is better than the traditional sedimentation tank, and the land area is less, and the water quality obtained by the membrane separation equipment is very good, which can be recycled directly.
2. Enable the bioreactor to maintain high concentration of gas.Membrane separation equipment can prevent the loss of high molecular weight organic matter and suspended matter to the system, so that the microorganisms participating in the reaction are completely maintained in the bioreactor, which is especially beneficial for the microorganisms with a long interception time.
3. The membrane can retain many macromolecules with slow decomposition rate that are difficult to degrade, and improve its degradation efficiency by extending its residence time.
4. The surplus sludge production ratio is small, and the sludge treatment cost is less.
5. It is convenient to realize automation technology and practical operation management.
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