Nworie, F.S., Nwabue, F., Oti, W., Mbam, E. and Nwali, B. 2019. REMOVAL OF METHYLENE BLUE FROM AQUEOUS SOLUTION USING ACTIVATED RICE HUSK BIOCHAR: ADSORPTION ISOTHERMS, KINETICS AND ERROR ANALYSIS. Journal of the Chilean Chemical Society. 64, 1 (Mar. 2019).