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MBBR vs MBR Systems: How to Select the Right Integrated Wastewater Solution
June 27th, 2025

With over 20 years of experience in manufacturing wastewater treatment equipment, our ISO 9001 and CE certified systems offer flexible configurations for municipal and industrial applications. Below you will find the key selection criteria between MBBR (Moving Bed Biofilm Reactor) and MBR (Membrane Bioreactor) technologies including auxiliary units.


Core Technology Comparison

1. MBBR Systems

Best for: High organic load, flow fluctuation sites (food processing, resorts)

Key Components: Biofilm carriers, fine bubble diffusers, secondary clarifier

Expandability: Add carriers to increase capacity 30% without new tanks

 

2. MBR Systems

Best for: Space-limited sites requiring reusable water (urban buildings, farms)

Key Components: Hollow-fiber membranes, suction pumps, chemical cleaning system

Output Quality: Directly meets WHO irrigation standards

 

Auxiliary Unit Integration

Enhance system performance with:

Dissolved Air Flotation (DAF): For oil/grease removal (meat processing plants)

Tube Settlers: Compact sedimentation for high SS wastewater

Sludge Scrapers: Automated sludge removal in rectangular tanks

Phosphorus Removal Units: Chemical dosing systems for nutrient control

PP Wastewater treatment pant


5-Step Selection Framework

1.Analyze Wastewater Characteristics

COD/BOD ratio > 0.6? Choose MBBR for cost efficiency

Need ultrafiltration? Select MBR


2.Verify Certification

Demand ISO 9001 & CE Declaration of Conformity

Check test reports against local standards (e.g., EPA 40 CFR Part 133)

 

3.Auxiliary Unit Planning

High fat/oil content: Add DAF unit

Sludge disposal constraints: Include sludge thickener

 

4.Lifecycle Cost Calculation

MBR: Higher CAPEX, lower OPEX with water reuse

MBBR: Lower CAPEX, ideal for fluctuating loads

 

5.Request Factory Audit

Verify membrane MTR certificates (for MBR)

Inspect carrier media abrasion resistance tests (for MBBR)


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