A Review On Advancement In Waste Water Treatment

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Dr. Reena , Dr. Amita Singh


Each and every individual has a fundamental right to clean and safe water. Despite the fact that water covers three-quarters of the Earth's surface, only 3% of it is fresh. 2.5 percent of the world's fresh water is trapped in glaciers, polar ice caps, the atmosphere, and heavily polluted soil; or it rests too deep beneath the earth's surface to be removed at a reasonable cost. Fresh water is only available in 0.5 percent of the Earth's surface. Currently, millions of people in many parts of the world lack access to sufficient water to meet their basic needs. Furthermore, rising population, increased industries, urbanization, and intensive agricultural practices have polluted the water as well as generated a lot of effluent. Because it includes dangerous diseases, this poisonous water has killed millions of people. Traditional wastewater treatment procedures have a number of drawbacks, including the usage of chemicals, the generation of disinfection by products, time consumption, and cost. Various revolutionary approaches, such as nanotechnology, microalgae, and the Floating Treatment Wetland system (FTWs), are effective, eco-friendly, natural, energy-saving, and cost-effective wastewater treatment methods. The combination of wastewater treatment and energy production to provide reclaimed water and sustainable electricity is a very promising strategy for dealing with the energy crisis and fresh water constraint. This hazardous water has killed millions of people since it contains harmful diseases. The use of chemicals, the formation of disinfection by products, time consumption, and expense are all disadvantages of traditional wastewater treatment techniques. Various novel technologies to wastewater treatment, such as nanotechnology and the Floating Treatment Wetland system (FTWs), are effective, eco-friendly, natural, energy-efficient, and cost-effective. Combining wastewater treatment with energy production to produce reclaimed water and long-term electricity is a viable solution for addressing the energy problem and fresh water scarcity.

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