What is ultra-low emissions

　　Ultra low emissions, is refers to the power plant coal-fired boiler in the process of power operation, terminal management etc, use a variety of pollutants efficiently coordinated removal technology integration system, make its atmospheric pollutants concentration conforms to the basic unit of gas emissions limits, namely the dust, sulfur dioxide, nitrogen oxide emission concentration (6% oxygen), respectively, after no more than 5 mg/m₃, after 35 mg/m₃, 50 mg/m₃ after, than the coal-fired power plant air pollutants emission standards (GB13223-2011) the coal-fired boiler in key areas specified in the special emission limit value fell by 75%, 30% and 50%, respectively,It is a new benchmark for clean production level of coal-fired power generation units.