... systerm 3. Customized equipment 4. Long usage life Smoke Desulfurization Equipment | Desulfurization Towers A. Method: wet catalyzing, CaO, NaOH ... Area: every kind of coal fired boilers, kilns, gas furnaces, oil fired furnaces, smelting furnaces, enterprises of dust ... , nitride removing, decarburizing, and smoke absorbing of coal gas, natural gas and methane.4. Efficiency: higher than 99%. Sulfur ...