MBBR Wastewater Treatment Plant | Compact, Stable & Custom

An MBBR wastewater treatment plant is a biological wastewater treatment system based on Moving Bed Biofilm Reactor technology. It uses specially designed plastic biofilm carriers suspended in the reactor. These carriers provide a large surface area for microorganisms to attach and grow, forming biofilm that removes biodegradable pollutants from wastewater.
A typical MBBR treatment process may include:

In the MBBR reactor, aeration provides oxygen and keeps the carriers moving continuously. Wastewater contacts the biofilm on the carrier surface, and microorganisms degrade organic pollutants such as COD and BOD. With suitable process design, MBBR can also support nitrification for ammonia nitrogen removal. Compared with conventional activated sludge systems, MBBR can hold more biomass in the same tank volume because the biofilm grows on carriers rather than only remaining suspended in water.
A complete MBBR wastewater treatment system may include a screen, regulating tank, lift pump, MBBR reactor, biofilm carriers, aeration blower, diffuser system, carrier retention screen, sedimentation tank or lamella clarifier, sludge discharge system, control cabinet, pipelines, valves and optional filtration or disinfection units. For wastewater containing oil, grease, high suspended solids or floating matter, pretreatment such as grease traps, CPI oil-water separators, DAF dissolved air flotation or chemical dosing may be required before biological treatment.
MBBR is widely used for domestic sewage, hotels, residential communities, schools, office parks, rural sewage projects, food processing wastewater and industrial park wastewater after suitable pretreatment. It is especially useful for projects requiring compact layout, stable operation and better resistance to influent load fluctuation.
For correct selection, buyers should provide daily flow, peak flow, COD, BOD, ammonia nitrogen, total nitrogen, phosphorus, TSS, oil content, pH, temperature, discharge standard, available land, installation type and automation requirements. These parameters affect reactor volume, hydraulic retention time, carrier filling ratio, oxygen demand, blower size, sludge production and final polishing needs.
It is important to understand the boundary of MBBR technology. It performs well for biodegradable wastewater, but toxic pollutants, heavy metals, high salinity, strong acid or alkali, high oil content and poor biodegradability may inhibit microbial activity. In such cases, pretreatment, neutralization or a combined process may be necessary.
Qingdao Jinwantong provides customized MBBR systems and related wastewater treatment equipment. Buyers can send water quality data, flow rate, discharge target and site layout for technical selection, configuration advice and quotation support.