RETRACTED: Sustainable Materials for Water Treatment: A Comprehensive Review Toshit Jain, P. Shiva Kumar, Ashish Parmar, Vandana Arora, Dalael Saad Abdul-Zahra and Amandeep Nagpal E3S Web Conf., 430 (2023) 01103 Published online: 06 October 2023 DOI: 10.1051/e3sconf/202343001103