The dataset represents the waste management activities of \"municipal solid waste\" in a sanitary landfill. The recommended use of this dataset: for the average municipal/public waste mixture. It is not suitable to represent any single specific waste, such as plastics, paper, or cardboard. The characteristics of urban solid waste in Mianyang City, Sichuan Province, are as follows: food waste 60.2%, paper 10.3%, rubber 21.9%, textiles (fiber) 3.6%, wood and bamboo 1.01%, ash and soil 1.9%, bricks and tiles ceramics 0%, glass 0.9%, metals 0%, and other 0.9%. It has a moisture content of 57.9%, and higher calorific value of 7624. 18 kJ/kg, with a lower calorific value of 5586 kJ/kg. The carbon fraction from initial waste, i.e., 60.4% from biogenic sources. The proportion of unoxidized and largely recoverable metals in the waste (excluding very small or very thin components): Iron: 60.03%; Aluminum: 17.81%; Copper: 72.83%. Overall degradation rate of waste over 100 years: 18.73%. Degradability of the waste composition: Paper: 27%; Mixed cardboard: 32% 4% plastic: 1%; laminated materials: 18%; laminated 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 generates 2.23E-04 kWh of electricity and 8.04E-01 MJ of useful heat.