▎ 摘　　要

NOVELTY - Promotion of anaerobic digestion of methane gas comprises taking sludge into reactor, inoculating, filling reactor with nitrogen, removing oxygen, and providing anaerobic reaction environment; domesticating sludge with graphene, filling nitrogen, sealing reactor at constant temperature, stirring culture, and preparing to obtain methane gas. USE - Method for promoting anaerobic digestion of methane gas. ADVANTAGE - The method has high utilization rate and digestion efficiency , and good sludge activity.