The dataset represents the waste treatment activities 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 plastic, paper, cardboard. The characteristics of municipal solid waste in Qianjiang City, Hubei Province are as follows: kitchen waste 55.3%, paper 1.5%, rubber 4.5%, textile (fiber) 0%, wood-bamboo 8.3%, ash-soil 0%, brick-tile-ceramics 27.3%, glass 2%, metals 1.1%, other 0%. Moisture content 53.5%, higher calorific value 4550. 7 kJ/kg, lower calorific value 2783.55 kJ/kg. The carbon share of the initial waste, i.e., 60.4% of biogenic origin. The proportion of unoxidized and extensively recoverable metals in the waste (excluding very small or very thin parts): Iron: 60.03%; Aluminum: 17.81%; Copper: 72.83%. Total degradation rate of waste over 100 years: 18.73%. Degradability of the waste components: Paper: 27%; Mixed cardboard: 32%. 4% plastic: 1%; laminated materials: 18%; laminated packaging, such as beverage cartons: 18%; composite products, 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 produce 1.29E-04 kWh of electricity and 4.63E-01 MJ of useful heat.