The dataset represents the waste treatment activities of \"municipal solid waste\" in a sanitary landfill. The recommended application of this dataset is 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 Qionghai City, Hainan Province are as follows: food waste 58.42%, paper 6.44%, rubber 11.93%, textile (fiber) 0.89%, wood and bamboo 1.6%, ash and soil 0%, brick, tile and ceramics 12.92%, glass 0.53%, metals 0.68%, and others 6.47%. Moisture content is 55% 81%, higher heating value 5556.5 kJ/kg, lower heating value 3706.33 kJ/kg. The carbon share from the initial waste, i.e., 60.4% biogenic. The proportion of unoxidized and largely recoverable metals in the waste (excluding very small or very thin parts): Iron: 60.03%; Aluminum: 17.81%; Copper: 72.83%. Overall degradation rate of waste over 100 years: 18.73%. The biodegradability of the waste composition: Paper: 27%; Mixed cardboard: 32. 4% plastic: 1%; laminated materials: 18%; laminated packaging, such as beverage cartons: 18%; composite products, 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 1.59E-04 kWh of electricity and 5.73E-01 MJ of useful heat.