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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.
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.
Sludge treatment in anaerobic digesters at a sewage treatment plant in Cottbus, Germany. Sewage sludge treatment describes the processes used to manage and dispose of sewage sludge produced during sewage treatment. Sludge treatment is focused on reducing sludge weight and volume to reduce transportation and disposal costs, and on reducing ...
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.
The basic national standard for U.S. municipal treatment plants is the Secondary Treatment Regulation. Most plants in the U.S. must meet this secondary treatment standard. The permit authority (state agency or EPA) can compel a POTW to meet a higher standard, if there are applicable water quality standards for the receiving water body.
MBBR (moving bed biofilm reactor) is a type of wastewater treatment process that uses plastic carriers with biofilm to remove nutrients and micropollutants. Learn about the history, methods, applications, and advantages of MBBR technology.
Sewage sludge is the semi-solid material produced during sewage treatment of wastewater. The term "septage" also refers to sludge from simple on-site sanitation systems, such as septic tanks. Learn about the quantities, types, and health and environmental impacts of sewage sludge.