Bio-based activated carbon from husk- and wood-based biomass: comparison of carbon activation methods on organic pollutants removal

Abstract This study aimed to investigate the effect of different activations on properties bio-based activated carbons (BACs) for water treatment. BACs were produced via pyrolysis by carbonization stage and followed four activation procedures. Chemical included introduction metal oxides or alkali structure sawdust-derived BACs, resulting in iron-activated carbon (BAC-Fe), copper-activated (BAC-Cu), sodium-activated (BAC-Na). The physical was conducted a CO2 environment with usage two types locally available biomasses, husk-activated (HAC) wood-activated (WAC). Depending activation, can be developed high porosity, active sites, additional functionalities such as antimicrobial magnetic. adsorption natural organic matter (NOM) chemically yielded removal percentages (97, 87, 80% BAC-Fe, BAC-Cu, BAC-Na, respectively). physically demonstrated capacities dye – 278 mg/g WAC 213 HAC. outlines wide range BAC production possibilities advanced functionalities.