The dataset represents the waste management activity of \"municipal solid waste\" in a sanitary landfill. The recommended use of this dataset: for average municipal/public waste mixtures. It is not suitable to represent any single specific waste, such as plastics, paper, cardboard. The characteristics of municipal solid waste in Bayannur City, Inner Mongolia Autonomous Region are as follows: food waste 36.11%, paper 19.41%, rubber 14.35%, textile (fiber) 5.73%, wood and bamboo 3.87 %, ash and soil 10.56%, bricks, tiles, and ceramics 2.11%, glass 2.89%, metal 2.64%, others 2%. 35% moisture content, 46.41%; higher heating value 7088.35 kJ/kg; lower heating value 5320.43 kJ/kg. The carbon fraction of the initial waste, i.e., biogenic, is 60.4%. The proportion of unoxidized and recoverable metals in waste (excluding very small or very thin components): iron: 60.03%; aluminum: 17.81%; copper: 72.83%. Total degradation rate of waste over 100 years: 18.73%. Degradability of the waste fraction: paper: 27%; mixed cardboard: 32%. 4% plastics: 1%; laminates: 18%; laminate packaging, such as beverage cartons: 18%; composite goods, such as diapers: 18%; glass: 0%; textiles: 12%; minerals: 0%; natural products: 27%; compostable materials: 27%; inert metals: 10%; volatile metals: 0%; batteries: 0%; electronics: 0%; landfill gas capture and utilization generate 9.39E-05 kWh of electricity and 3.38E-01 MJ of useful heat.