The dataset represents the waste treatment activity of \"municipal solid waste\" in sanitary landfills. Recommended usage 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 urban solid waste in Kunming City, Yunnan Province are as follows: food waste 46.15%, paper 17.24%, rubber 23.68%, textile (fiber) 2.92%, wood and bamboo 5.39%, ash and soil 0%, brick, tile, and ceramics 0%, glass 2.46%, metal 2.16%, and other 0%. Moisture content 53. 0.5%, higher heating value 8086.27 kJ/kg, lower heating value 6140.33 kJ/kg. The carbon share from initial waste, i.e., biogenic source is 60.4%. 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 waste degradation rate for 100 years: 18.73%. The degradability of the components constituting waste: Paper: 27%; Mixed cardboard: 32%. 4% plastic: 1%; laminated materials: 18%; laminated packaging, such as drink 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 generate 2.44E-04 kWh of electricity and 8.78E-01 MJ of useful heat.