Treatment of simulated printing and dyeing wastewater using ozone microbubble Emmanuel Nkudede, Husseini Sulemana, Bo Zhang, Kaida Zhu, Shan Hu, Roselyn Tehzee Gblinwon and Anthony Adebayiga Kosiba E3S Web Conf., 261 (2021) 04005 Published online: 21 May 2021 DOI: 10.1051/e3sconf/202126104005