Water is an essential resource and crucial to sustaining life. Ever-increasing population, rapidurbanization, and industrialization have resulted in improper discharge of wastewater leading tohazardous impacts on human health and the environment. As a result, globally nations are adoptingmeasures to retain water and improve the qualitative parameters of wastewater to make it harmlessand reusable. These technologies are a fruitful approach for solving water shortages, removingcontaminants, and recycling them back to the environment for various uses, for example, drinking,washing, etc.