Moving Bed Biofilm Reactor (MBBR) is used for wastewater treatment, in both municipal and industrial sectors, for BOD removal, nitrification, and denitrification.
MBBR consists of a tank with submerged, but floating, plastic media which has a specific gravity lower than 1.0. It requires a large surface area to facilitate abundant bacterial growth. The thin film, which has a thickness ranging from 50-300 microns, aids the growing biomass. For maintaining dissolved oxygen and removing BOD (coarse or medium), bubble diffusers are uniformly placed at the bottom of the reactors. Screens are placed on downstream walls to prevent the media from flowing out of the tank. To separate the biomass and solids from the wastewater, a DAF is placed downstream of the MBBR tank.
Many industries prefer using MBBR technology since it has many advantages over the traditional Activated Sludge Process (ASP). The MBBR plant removes 70-85% of BOD and reduces the load to a downstream process by a substantial margin, resulting in effective treatment and a smaller carbon footprint.
Emvees Waste Water Treatment LLC has a dedicated team of estimation engineers who have several years of industrial exposure. The technical team possesses a great wealth of experience through various projects across the UAE. We provide professional and thorough work on tight deadlines and are reputed for efficient practices in project management.
- Flexible design that allows for increased capacity.
- No operational adjustments.
- Basic equipment maintenance.
- Stable under large load variations.
- Smaller carbon footprint.
- Low investment cost.
- Single-pass treatment.
- Multiple applications.
- Compact and simple biological treatment system.
- Easy to operate and trouble-free.
- Automatic sludge waste and no sludge return.
- ASP is designed for 12-24 hours of Hydraulic Retention Time (HRT) while the MBBR only requires 2-3 hours of HRT to achieve the same level of nitrification. This is less than or equal to ¼ the tank volume.
- Typical biomass levels in an ASP is between 2500-3500 mg/l of suspended solids. The typical equivalent biomass in an MBBR is 6000 mg/l of attached growth, which means that MBBR has twice the available treatment mass than the ASP process.
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