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 plastics, paper, cardboard. The characteristics of municipal solid waste in Qingyang City, Gansu Province are as follows: food waste 36.38%, paper 9.7%, rubber 11.34%, textile (fiber) 2.1%, wood and bamboo 1.36%, ash and soil 0%, brick, tile and ceramics 37.81%, glass 0.93%, metal 0.23%, other 0%. Moisture 44. 26%, higher heating value 6088.2 kJ/kg, lower heating value 4390.57 kJ/kg. The initial carbon fraction in the waste, i.e., 60.4% biogenic. The proportion of unoxidized and largely recyclable metals in the waste (excluding very small or very thin components) is Iron: 60.03%; Aluminum: 17.81%; Copper: 72.83%. Overall degradation rate of waste over 100 years: 18.73%.Degradability of the waste fraction: Paper: 27%; Mixed cardboard: 32% 4% plastics: 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 generate 5.52E-05 kWh of electricity and 1.99E-01 MJ of useful heat.