MBBR Media & Carriers
The biofilm carrier is the heart of every MBBR. This knowledge base explains carrier types, surface-area metrics, materials, geometry, retention and how to select the right media for your process.
Available Pages
MBBR Media Types
Overview of carrier generations and geometries used in MBBR systems.
Specific Surface Area
What total surface area per m³ means and how it is defined.
Protected Surface Area
Why the effective (protected) area — not the nominal area — drives design.
Carrier Fill Ratio
How much carrier to add and the practical filling limits.
Carrier Materials
Polyethylene and other polymers, density and durability.
Carrier Shape
How geometry affects protected area, mixing and biofilm control.
Carrier Size
Dimensions, screening implications and surface-area trade-offs.
Biofilm Carrier Selection
Matching carrier properties to treatment objectives.
How to Select MBBR Media
A step-by-step methodology for specifying carriers.
Media Performance
What actually determines real-world carrier performance.
Carrier Retention Screens
Sieves that keep carriers in the reactor and how they are sized.
Media Movement
Aeration and mixing that keep carriers circulating and self-cleaning.
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