An electrochemical analysis of acute contamination of environmental water and restoring of water quality using taro carbon oleh Efdtekhar U. M. Aman, Md. Fahamidul Islam, Tahmid A. Chowdhury, Md. Saiful Alam, Md. Elias, Md. Nizam Uddin, Ahmed J. Samed, Mohammad A. Hasnat