Hazardous waste: refers to the waste with hazardous characteristics which is listed in the national hazardous waste list or identified according to the national hazardous waste identification standards and methods.
Soil pollution is when humans introduce harmful objects, chemicals or substances, directly or indirectly into the soil in a way that causes harm to other living things or destroys soil or water ecosystems.
Oil sludge is the largest waste produced by the petroleum industry during exploration, mining and gathering. It is generally divided into oil sludge produced by oil fields and oil sludge produced by the petrochemical industry.
That’s livestock and poultry manure waste mainly refers to a type of rural solid waste generated in livestock and poultry breeding, including pig manure, cow dung, sheep manure, chicken manure, duck manure, etc
Sewage sludge, or named municipal sludge, is a by-product of the municipal drainage system. It is mainly derived from urban drainage systems, including sludge from drainage pipes, pumping stations and sewage treatment plants.
Industrial sludge is a mixture of solids and water, oil, chemical pollution, and organic matter produced by various industrial productions.Common industrial sludge comes from sludge of electroplating plants, tanneries…