Abstract
Crop residue management in India has been problematic for decades due to the in-situ burning of crop residues causing climate change, health issues, and soil degradation. The present work focuses on the synthesization and characterization of highly porous activated carbon (AC) using sugarcane bagasse (SB) and rice straw (RS). The effect of carbonization temperature on the biochar yield and carbon content is studied to identify the best biochar product before activation. The throughput and stable carbon content vary in the range of 0.275 to 0.198 g/h and 52.81 to 68.14 % for SB_Char, and 0.604 to 0.278 g/h and 32.89 to 42.04 % for RS_Char, respectively. The synthesized ACs exhibit higher BET surface area with larger distribution of micro- and meso-pores than commercial ACs. Furthermore, based on laboratory scale cost analysis and detailed characterizations, the synthesized ACs could be viewed as a sustainable alternative to commercial ACs for various applications.
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