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Municipal sewage

by endalton 15 Jun 2024

Application of MBR Membrane Bioreactor in Municipal Wastewater

In recent years, with the continuous expansion of urban industrialization, the volume of municipal wastewater generated has been increasing, leading to serious pollution that severely constrains the sustainable development of urban societies. Urban environmental issues, especially municipal wastewater treatment, have become critical concerns worldwide. Effective management of urban wastewater plays a crucial role in improving urban water environments and ensuring urban economic development. It also reduces energy consumption, material consumption, and carbon emissions in water treatment, thereby promoting the green and sustainable development of the water industry.

As one of the important technological routes for municipal wastewater treatment, membrane technology, particularly MBR (Membrane Bio-Reactor), effectively addresses the shortcomings of traditional wastewater treatment equipment.

Recommended Product by Dowell Membrane: MBR (Membrane Bio-Reactor)

The Membrane Bio-Reactor (MBR) is a novel wastewater treatment system that organically combines membrane separation technology with biological treatment technology. It replaces the traditional secondary sedimentation tank at the end of the biological treatment process, maintaining a high concentration of active sludge in the bioreactor. This enhances the organic load capacity of biological treatment, reduces the footprint of wastewater treatment facilities, and minimizes residual sludge by maintaining low sludge loads. The system mainly utilizes membrane separation devices immersed in aerobic biological pools to intercept active sludge and large molecular organic compounds.

Key Features of MBR (Membrane Bio-Reactor) Technology:

  • More efficient solid-liquid separation and higher water quality, facilitating direct reuse of treated water.
  • Requires less space, eliminates the need for secondary sedimentation tanks, and replaces all facilities of traditional tertiary treatment.
  • Superior interception capability that captures all microorganisms, ensuring complete separation of Hydraulic Retention Time (HRT) and Sludge Retention Time (SRT), with flexible and stable operational control.
  • High nitrification efficiency.
  • Capable of removing difficult-to-degrade organic compounds.
  • Low yield of residual sludge.
  • Convenient management and operation control system.

Applications of MBR (Membrane Bio-Reactor):

Commonly used in municipal wastewater treatment and comprehensive environmental management, covering urban drinking water, deep treatment of sewage and industrial wastewater, watershed management, river interception, waste treatment, ecological restoration, and eco-energy generation. It has been widely adopted across various regions nationwide.

In conclusion, MBR technology represents a significant advancement in municipal wastewater treatment, offering substantial benefits in efficiency, footprint reduction, and environmental sustainability. Its versatile applications underscore its pivotal role in modern water resource management and environmental protection efforts.

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