The dataset represents the waste management 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 Sanya city, Hainan province, municipal solid waste are as follows: kitchen waste 58.42%, paper 6.44%, rubber 11.93%, textile (fiber) 0.89%, wood and bamboo 1.6%, ash and soil 0%, bricks, tiles, and ceramics 12.92%, glass 0.53%, metal 0.68%, and others 6.47%. The 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% from biogenic sources. The proportion of unoxidized and recoverable metals in the waste (excluding very small or very thin parts): iron: 60.03%; aluminum: 17.81%; copper: 72.83%. Total degradation rate of waste over 100 years: 18.73%. The degradability of the waste components: paper: 27%; mixed cardboard: 32%. 4% plastics: 1%; laminating 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 produce 1.59E-04 kWh of electricity and 5.73E-01 MJ of useful heat.