▎ 摘　　要

NOVELTY - A diesel oil desulfurization adsorbent comprises 20-34 pts. wt. graphene, 3-6 pts. wt. zirconia, 2-4 pts. wt. silicon dioxide, 1.5-3 pts. wt. titanium dioxide, 10-15 pts. wt. clay, 13-18 pts. wt. activated carbon powder, 12-18 pts. wt. chitosan, 6-10 pts. wt. kaolin, 20-26 pts. wt. zeolite powder, 3-8 pts. wt. potassium permanganate, 2-5 pts. wt. strong acid and 7-12 pts. wt. algae. USE - Diesel oil desulfurization adsorbent. ADVANTAGE - The adsorbent has wide raw material source, large specific surface area, uniform pore volume and pore size distribution, and high desulfurization activity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the diesel oil desulfurization adsorbent comprising ultrasonically dispersing graphene into deionized water for 60-80 minutes to obtain graphene dispersion liquid, adding potassium permanganate, zirconia, silicon dioxide and titanium dioxide, slowly adding dropwise graphene dispersion and strong acid, adding chitosan, stirring for 6-8 hours, ultrasonically stirring, washing with deionized water, vacuum-drying at 40-55 degrees C, breaking algae, suspending at 32-45 degrees C, adding enzyme, performing enzymolysis, adding clay, activated carbon powder, kaolin and zeolite powder, ultrasonically mixing for 30-45 minutes, ball-milling at rotating speed of 1500-2400 revolutions/minute for 28-36 hours under protection of inert gas, drying at 65-80 degrees C and sintering in muffle furnace at 450-530 degrees C.