Sulfur depletion and denitration is simply the process of using alkali neutral and acid, sulfur depletion is: removing the sulfur dioxide contained in the boiler smoke gas. Denitrification ye: Nitrogen oxides tɔ̈u bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n. Lɔ̈ɔ̈i de sulfur de sulfur de sulfur de alkali (cït mɛn de limestone, CaO, sodium hydroxide, etc.) looi në slurry, sulfur dioxide ye kek mat kek gas ye kek tɔ̈ɔ̈u në boiler yic yic yic yic yic yic yic yic yic yic yic yic yic yic yic yic yic yic yic yicCaSO4(Calcium sulfate) ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ