▎ 摘　　要

NOVELTY - Actived carbon-based absorbent comprises 50-100 pts. wt. citrus peel, 6-24 pts. wt. organic titanate, 0.2-1 pts. wt. transition metal salt, 2-8 pts. wt. methylammonium iodide, 1-8 pts. wt. urea, 3-15 pts. wt. oxidize graphene, 2-5 pts. wt. reducing agent, 5-10 pts. wt. poly diallyldimethylammonium chloride, 3-5 pts. wt. silane coupling agent and 50-120 pts. wt. solvent. USE - The activated carbon-based absorbent useful for adsorption of benzene containing waste gas. ADVANTAGE - The adsorbent: enables enrichment of benzene in the exhaust gas and catalytic reduction of benzene; can quickly purify benzene in exhaust gas; maintains the air safe; and provides a healthy living environment to the people.