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Sewage treatment (or domestic wastewater treatment) is a type of wastewater treatment that aims to remove contaminants from sewage to produce an effluent that is suitable to discharge or reuse. Sewage treatment plants (STPs) are facilities that process sewage using various technologies and criteria.
Learn about the different types of wastewater treatment plants, such as sewage, industrial, agricultural and leachate, and the processes they use to remove contaminants and produce effluent. Find out the global trends, challenges and examples of wastewater treatment and reuse.
Sanitary engineering, also known as public health engineering or wastewater engineering, is the application of engineering methods to improve sanitation of human communities. Learn about the history of sanitary engineering, from ancient irrigation systems to modern wastewater treatment, and the education and skills required for this interdisciplinary field.
Learn about the processes, sources, contaminants and sectors of industrial wastewater treatment. Industrial wastewater is the by-product of various industries that may contain pollutants such as heavy metals, organic matter, nutrients, toxins, radionuclides and microplastics.
A septic tank is an underground chamber for basic sewage treatment in areas not connected to a sewerage system. Learn about its description, emptying, environmental concerns, regulations and slang usage from Wikipedia.
Secondary treatment is the removal of biodegradable organic matter from sewage or similar kinds of wastewater by microorganisms in a managed aerobic or anaerobic process. It follows primary treatment, which removes settleable solids, and may be followed by tertiary treatment, which further improves the effluent quality.
Sewage treatment is the treatment and disposal of human waste. Sewage is produced by all human communities. Treatment in urbanized areas is typically handled by centralized treatment systems.
A decentralized wastewater system (DEWATS) is a system that treats and disposes or reuses wastewater from small and low-density communities, buildings and dwellings. Learn about the background, applications, types and treatment options of DEWATS.