| 摘要 |
A process and apparatus for removing S02, NO, and N02 from a gas stream having the steps of oxidizing a portion of the NO in the flue gas stream to N02, scrubbing the S02, NO, and N02 with an ammonia scrubbing solution, and removing any ammonia aerosols generated by the scrubbing in a wet electrostatic precipitator. The process can also remove Hg by oxidizing it to HgO and removing it in the wet electrostatic precipitator. Ammonium sulfate, a valuable fertilizer, can be withdrawn from the scrubbing solution.
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