Advanced Wastewater Treatment Systems | Custom MBBR, DAF & MBR Solutions

Advanced wastewater treatment systems are used when conventional treatment is not enough to meet discharge, reuse or process stability requirements. These systems combine multiple treatment stages to remove organic pollutants, suspended solids, oil, ammonia nitrogen, phosphorus, color, odor, pathogens and other contaminants from domestic sewage, municipal wastewater or industrial effluent.
A typical advanced treatment process may include:

Pretreatment is essential for stable performance. Screens remove large solids, while equalization tanks balance flow and pollutant concentration. For wastewater containing oil, grease, floating solids or emulsified pollutants, oil-water separators, DAF dissolved air flotation and chemical dosing may be required. DAF can remove fine suspended solids, grease and floating sludge, especially when combined with coagulation and flocculation.
Biological treatment is the core stage for removing COD, BOD and ammonia nitrogen. MBR systems combine activated sludge with membrane separation, producing clear effluent and reducing footprint. MBBR systems use suspended biofilm carriers to increase biomass concentration and improve resistance to load fluctuation. SBR systems treat wastewater through controlled cycles of filling, aeration, settling and decanting, making them practical for variable-flow projects.
For advanced effluent quality, tertiary treatment or polishing units may be added. Lamella clarifiers improve solid-liquid separation in a compact structure. Sand filtration, activated carbon filtration, membrane filtration or disinfection can further reduce suspended solids, color, microorganisms and residual pollutants. If treated water is intended for reuse, the process should be selected according to local reuse standards and non-potable application requirements such as irrigation, flushing, landscaping or industrial auxiliary water.
Sludge management is also part of an advanced system. DAF sludge, chemical sludge and biological sludge must be collected, discharged and dewatered when necessary. Sludge dewatering machines help reduce sludge volume, transportation cost and disposal pressure.
Correct system selection depends on real project data. Buyers should provide daily flow, peak flow, wastewater source, COD, BOD, TSS, ammonia nitrogen, total nitrogen, phosphorus, oil content, pH, salinity, temperature, color, discharge or reuse standard, available space, installation type, automation level and project location.
A common mistake is choosing the most “advanced” technology without matching it to wastewater quality. A reliable solution should balance effluent compliance, operating cost, maintenance convenience and investment budget. Qingdao Jinwantong provides customized advanced wastewater treatment equipment and integrated process support. Send your water quality report and project requirements for technical selection and quotation.