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 mixture. It is not suitable to represent any single specific waste, such as plastics, paper, cardboard. The characteristics of municipal solid waste in Liaoyang City, Liaoning Province are as follows: food waste 53.07%, paper 11.86%, rubber 14.77%, textile (fiber) 7.13%, wood and bamboo 9.33%, ash and soil 0%, bricks, tiles and ceramics 0%, glass 3.22%, metal 0.61%, others 0%. Moisture 57. 71%, higher heating value 7299.41 kJ/kg, lower heating value 5344.98 kJ/kg. The carbon share from initial waste, specifically from biogenic sources, is 60.4%. The share of unoxidized and largely recoverable metals within the waste (excluding very small or very thin components): Iron: 60.03%; Aluminum: 17.81%; Copper: 72.83%. Overall degradation rate of the waste over 100 years: 18.73%. Degradability of the components constituting the waste: Paper: 27%; Mixed cardboard: 32%. 4% plastic: 1%; laminated materials: 18%; laminated packaging, such as beverage cartons: 18%; composite goods, like 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 6.99E-04 kWh of electricity and 1.94E-01 MJ of useful heat.