Abstract
In recent years, industrial as well as municipal wastewater discharges have caused great damage to water resources. Water pollution not only brings about imbalance in the ecological environment, but directly also affects human health. Therefore, there is an urgent need for scientists to develop effective wastewater purify technology to solve these significant issues. It is an essential to control and prevent unsystematic discharge of wastewater into the environment.Few of the reported strategies such as adsorption, filtration, centrifugation, catalysis, biological treatment and electro-coalescence, have been widely applied in wastewater treatment. But heavy energy utilization, non-repeatable usage and emergence of secondary pollution still seem to be inevitable. In this context some of the advanced, effective, and more reliable techniques have been discussed by showing their potency in removing different categories of pollutants which are present in respective type of wastewater. It has been shown that these advanced methods exhibited better performance than those of pre-existing conventional treatment methods with successfully overcoming the limitations associated with them. This review shows the potency of advanced methods which makes them suitable for getting integrated with those of conventional methods or else could be used singly in wastewater treatment plants (WWTPs) to tackle the current scenario.
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