The dataset represents the waste treatment activity of \"municipal solid waste\" in a sanitary landfill. The recommended use of this dataset is for average municipal/public waste mixtures. It is not suitable to represent any single specific waste such as plastics, paper, or cardboard. The characteristics of municipal solid waste in Deyang City, Sichuan Province, are as follows: food waste 50.09%, paper 15.54%, rubber 12.63%, textile (fiber) 2.34%, wood/bamboo 7.78%, ash and soil 0.32%, bricks, tiles, and ceramics 1.42%, glass 0.09%, metals 0.8%, other 0%. Moisture content 64. 86%, higher heating value 5930.68 kJ/kg, lower heating value 4117.5 kJ/kg. The carbon fraction of the initial waste that is of biogenic origin is 60.4%. The proportion of unoxidized and largely recoverable metals in the waste (excluding very small or very thin components) is as follows: iron: 60.03%; aluminum: 17.81%; copper: 72.83%. The overall degradation rate of the waste over 100 years is 18.73%. The degradability of the waste composition is as follows: paper: 27%; mixed cardboard: 32%. 4% plastic: 1%; laminated materials: 18%; laminated packaging, such as drink 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 produced 2.09E-04 kWh of electricity and 7.51E-01 MJ of useful heat.