▎ 摘　　要

NOVELTY - Modified bagasse is prepared by soaking bagasse in ammonia water for 2 days, taking out, water washing, and drying at 60 degrees C; dissolving graphene oxide in dimethylformamide, ultrasonically extracting for 2 hours, adding ascorbic acid, and oscillating for 12 hours at 80 degrees C to obtain reduced graphene oxide solution; soaking the dried bagasse into the reduced graphene oxide solution, then drying at 40 degrees C, and repeating soaking and drying for three times; and soaking bagasse into polydimethylsiloxane-toluene solution and standing for 12 hours at 85 degrees C until dry to obtain the modified bagasse. USE - Method of preparing modified bagasse used in treatment of organic pollutant in water body (claimed). ADVANTAGE - The method is simple and safe to operate and can increase hydrophobicity of bagasse. The modified bagasse can be repeatedly used. DETAILED DESCRIPTION - Preparation of modified bagasse comprises: (A) soaking bagasse in ammonia water for 2 days, then taking out, water washing, drying at 60 degrees C, and setting aside for later use; (B) adding graphene oxide in dimethylformamide solution and dissolving, ultrasonically extracting for 2 hours, then adding ascorbic acid, oscillating at 120 revolutions/minute (rpm) for 12 hours at 80 degrees C to obtain reduced graphene oxide solution; (C) soaking the dried bagasse into the reduced graphene oxide solution, taking out, drying at 40 degrees C, and repeating soaking and drying for three times; and (D) soaking the bagasse into polydimethylsiloxane-toluene solution, and standing for 12 hours at 85 degrees C until dry to obtain modified bagasse finished product. An INDEPENDENT CLAIM is included for treatment of organic pollutant in water body using the modified bagasse, comprising adding polluted water body with modified bagasse, then oscillating at 120 rpm for 10 minutes, and allowing modified bagasse to completely adsorb the organic pollutant.