The removal of contaminants from wastewater, or sewage, before it reaches aquifers or natural bodies of water such as rivers, lakes, estuaries, and seas is known as wastewater treatment. Because pure water does not exist outside of chemical laboratories, any differentiation between clean and contaminated water is based on the type and concentration of pollutants contained in the water, as well as its intended purpose. Water is said to be polluted in broad terms when it contains enough contaminants to make it inappropriate for a specific use, such as drinking, swimming, or fishing. Although natural factors influence water quality, the term pollution usually refers to contamination caused by human activity. As a result, water pollution is mostly caused by the discharge of contaminated wastewater into surface or groundwater, and wastewater treatment is a key component of water pollution prevention. Domestic sewage, industrial sewage, and storm sewage are the three types of wastewater or sewage. Domestic sewage, also known as sanitary sewage, transports used water from homes and flats. Water from manufacturing or chemical operations is used in industrial sewage. Storm sewage, often known as storm water, is rainwater collected in a system of pipelines or open channels. There has been numerous sewage treatment technologies created, the majority of which use biological treatment processes. When selecting an appropriate technology, engineers and decision makers must consider technical and economic criteria, as well as quantitative and qualitative characteristics of each option.
ALSO READ Agriculture and Food Security Atmospheric Chemistry Biodiversity Bio-geochemistry Climate Change Earth Science Ecology Environmental Design Environmental Economics Environmental Science Fossil Fuels and Energy Geochemistry Geology Geophysics Glaciology Green Energy Hydrogeology Hydrology Limnology Meteorology Natural Hazards Oceanography Paleontology Petrology Physical Geography Plant Science and Biotechnology Pollution Control Recycling Remediation Remote Sensing Renewable Energy Sewage Treatment Soil Science Waste Management Climate Change Challenges Sustainability Greenhouse Gases effect on Climate Change Fossil Fuels effect on Climate Change Land Degradation effect on Climate Change History of Pandemics effect on Climate Change Degrowth effect on Climate Change Kelp Forests effect on Climate Change
Soil Science Conferences Recycling Conferences Climate Change Conferences 2022 Europe Green Energy Conferences Climate Change Conferences Earth Science Conferences Earth Science Conferences 2022 Asia Earth Science Conferences 2022 Climate Science Conferences Earth Science Conferences 2022 Europe