The dataset represents the waste treatment 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, or cardboard. The characteristics of municipal solid waste in Wuwei City, Gansu Province are as follows: food waste 36.38%, paper 9.7%, rubber 11.34%, textile (fiber) 2.1%, wood/bamboo 1.36%, ash/soil 0%, brick/ceramics 37.81%, glass 0.93%, metals 0.23%, others 0%. Moisture 44. 26%, higher heating value 6088.2 kJ/kg, lower heating value 4390.57 kJ/kg. The carbon share from initial waste, i.e., from biogenic sources, is 60.4%. The proportion of unoxidized and largely recoverable metals in waste (excluding extremely small or extremely thin components) is: iron: 60.03%; aluminum: 17.81%; copper: 72.83%. The overall degradation rate of waste over 100 years: 18.73%. The degradability of the waste fractions: paper: 27%; mixed cardboard: 32%. 4% plastics: 1%; laminated materials: 18%; laminated packaging, such as beverage cartons: 18%; composite goods, like 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 produce 5.52E-05 kWh of electricity and 1.99E-01 MJ of useful heat.