Shanxi Hanzhong store town sewage plant should belong to the public **** business nature of the unit, because the township sewage plant is generally responsible for dealing with the town's sewage discharge and clean up, belongs to the public welfare nature of the unit, and its operating costs are mainly through the people to raise or the government special allocations to support the money, so the township sewage plant should belong to the public welfare nature of the unit.
Sewage treatment: in order to make the sewage to achieve the water quality requirements for discharge into a body of water or re-use of its purification process. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemicals, environmental protection, cityscape, medical, catering and other fields, but also more and more into the daily life of ordinary people.