In furnace ammonia and limestone injection with dry scrubbing for improved simultaneous sox and nox removal

作者: Gerald Thomas Amrhein , John Martin Rackley , Stanley John Vecci

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摘要: ABSTRACT OF THE DISCLOSURE A process and apparatus for simultaneously removing NOX SOX from the exhasut of a furnace includes an injection limestone into region having temperature about 2,000° - 2,400°F, ammonia in 1,600° -2,000°F. The absorbs at least some NOX. which contains particulate gases, is supplied to dry scrubber where further reactions take place between unused SOX, calcium sorbent SOX. Sorbent regeneration can also be utilized improve efficiency system.

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