This dataset represents the waste treatment activity of "municipal solid waste" in a sanitary landfill. Recommended use of this dataset: for an average municipal/public waste mixture. It is not suitable to represent any single specific waste such as plastics, paper or cardboard. The municipal solid waste characteristics of Datong City, Shanxi Province are as follows: kitchen waste 45.45%, paper 9.97%, rubber 18.24%, textiles (fibre) 2.26%, wood and bamboo 1.3%, ash and soil 0%, bricks, tiles and ceramics 17.81%, glass 2.63%, metals 0.54%, others 0.5%. Moisture content 55.81%, higher heating value 6553.39 kJ/kg, lower heating value 4742.84 kJ/kg. The carbon fraction in the initial waste, i.e. of biogenic origin, is 60.4%. The proportion of unoxidised and bulk-recoverable metals in the waste (excluding very small or very thin components): iron: 60.03%; aluminium: 17.81%; copper: 72.83%. Overall degradation rate of the waste over 100 years: 18.73%. Degradability of the constituent waste fractions: paper: 27%; mixed cardboard: 32.4%; plastics: 1%; laminated materials: 18%; laminated packaging, e.g. beverage cartons: 18%; composite goods, e.g. disposable 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 utilisation produces 1.44E-04 kWh of electricity and 5.18E-01 MJ of useful heat.