Removal of o-Nitrophenol via Adsorption by Porous Carbon Derived from Magnesium Oxide and Waste Polyethylene Terephthalate Prepared by Template MethodYahao Shen and Junwei DingE3S Web of Conf., 536 (2024) 02015DOI: https://doi.org/10.1051/e3sconf/202453602015