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General comment In municipal wastewater treatment, the activated sludge process is a commonly used technology. This process involves mixing wastewater containing pollutants with activated sludge and circulating them to degrade and transform organic matter and ammonia nitrogen pollutants into harmless substances through microbial action. In this process, wastewater is introduced into a reactor where it is mixed with activated sludge and exposed to oxygen supply, stimulating the growth and metabolism of microorganisms. Microorganisms utilize organic matter as a carbon and energy source for growth while oxidizing pollutants. The treated water, after processes such as sedimentation and filtration, meets discharge standards, while the recycled activated sludge can be reused in subsequent treatment cycles. |
