▎ 摘　　要

NOVELTY - A sludge curing agent comprises 1-5 wt.% sodium polyacrylate, 2-8 wt.% biomass activated carbon, 2-7 wt.% sodium lignin sulfonate, 1-5 wt.% polyrotaxane, 4-25 wt.% reduced graphene oxide, 15-50 wt.% cement, 5-25 wt.% lime, and 10-35 wt.% pulverized coal ash. USE - Sludge curing agent. ADVANTAGE - The curing agent is non-toxic and harmless, has synergistic effect between each raw material, reduces water content of sludge, improves intensity of sludge, removes heavy metal and organic matter, avoids contamination risk exposure, and meets requirement of earth filling. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of sludge curing agent comprising selecting raw materials, and fully mixing and stirring in stirrer.