Aqua Fresh Water Technology is a leading Manufacturers and Suppliers of STP Plants, with a strong operational presence in Mumbai, Navi Mumbai, Thane, and throughout India. As a prominent Provider in the field, we specialize in the Installation of these sophisticated Machine, designed to deliver superior sewage treatment solutions. Our commitment to quality ensures that each STP Plant we offer is engineered for high performance and reliability, tailored to meet the diverse needs of our clients and ensure efficient wastewater management. A Sewage Treatment Plant (STP) is an essential facility designed to treat wastewater and sewage from residential, commercial, and industrial sources before it is discharged back into the environment or reused. The primary objective of an STP is to remove contaminants and pollutants from sewage to prevent environmental pollution and protect public health.
STPs typically employ a series of physical, chemical, and biological processes to treat wastewater effectively. The process begins with Preliminary Treatment, where large debris such as sticks, plastics, and other solid materials are removed through screening and grit removal to protect downstream equipment and processes.
Following preliminary treatment, the sewage undergoes Primary Treatment, involving sedimentation and settling processes. Here, gravity allows heavier solids to settle at the bottom as sludge, while lighter materials float to the surface as scum. This step helps reduce the organic load and suspended solids in the wastewater.
After primary treatment, the clarified wastewater enters Secondary Treatment, where biological processes are employed to further break down organic matter. Common methods include Activated Sludge, Trickling Filters, or Sequential Batch Reactors (SBR), where aerobic bacteria decompose organic pollutants into simpler, less harmful substances. This stage significantly reduces biochemical oxygen demand (BOD) and ammonia levels in the wastewater.
Following secondary treatment, the treated water undergoes Tertiary Treatment, aimed at further polishing the effluent to meet specific quality standards. This stage may involve processes such as Filtration (e.g., sand, multimedia, or membrane filtration), Disinfection (e.g., chlorination, UV disinfection, or ozonation), and advanced treatment methods like Reverse Osmosis (RO) or Advanced Oxidation Processes (AOPs) to remove remaining contaminants and pathogens.
Throughout the treatment process, Sludge Management is crucial. Sludge generated during primary and secondary treatment undergoes further treatment processes such as Thickening, Digestion (anaerobic or aerobic), Dewatering, and Disposal or Reuse as biosolids in agriculture.
STPs play a vital role in safeguarding public health, protecting water resources, and ensuring environmental sustainability by treating sewage effectively before it is discharged or reused. Proper operation, regular maintenance, and adherence to stringent regulatory standards are essential to ensure STPs operate efficiently and meet water quality requirements.
