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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.
English: This diagram depicts the process and benefits of sewage treatment. Sewage treatment helps to protect the environment and all organisms as this process aims to remove contaminants such as bacteria, nutrients, pathogens and any other chemicals that may contaminate surface waters.
Learn about the process, technologies, benefits and challenges of reclaimed water, also known as wastewater reuse or water recycling. Reclaimed water is treated wastewater that can be used for various purposes, such as irrigation, industry, toilet flushing and groundwater recharge.
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.
"When domestic wastewater is treated, a solid by-product accumulates in the wastewater treatment plant and must be removed periodically to keep the plant operating properly. The collected material, called biosolids or more commonly "sewage sludge," is high in organic content, and contains moderate amounts of nutrients that are needed by plants.
A membrane bioreactor is a combination of membrane filtration and biological wastewater treatment processes. Learn about the submerged and side stream configurations, the membrane materials, the advantages and challenges of this technology, and its history and market.
The RBC process allows the wastewater to come in contact with a biological film in order to remove pollutants in the wastewater before discharge of the treated wastewater to the environment, usually a body of water (river, lake or ocean). A rotating biological contactor is a type of secondary (biological) treatment process.
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.