Reductive Adsorption of Chromium(VI) with Activated Carbon Anh Viet Hoang, Ya Wen Chen, Ya-Fen Wang, Syouhei Nishihama and Kazuharu Yoshizuka MATEC Web Conf., 333 (2021) 04004 Published online: 08 January 2021 DOI: 10.1051/matecconf/202133304004