The inventionrelates toapurifyingtechnologyofcoal burningsmoke, in particular to adrytypedesulfurizing, spraying and humidifyingdeviceanda spraying and humidifying method.
CO2 comes from burningcoal or gas, and the heat typically 60 degrees Celcius would make the dry water, especially in its powdery form, evaporate if placed in a chimney or outlet.