A Novel Additive For The Reduction Of Acid Gases And Nox In Municipal Waste Incinerator Flue Gas  

Oleh:

Hall, William J. ; Williams, Paul T.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Waste Management & Research vol. 24 no. 4 (Aug. 2006), page 388-396.
Topik: Waste incineration; flue gas treatment; calcium magnesium acetate sorbent; SO2; HCl; NOx – reduction; wmr 813–4
Fulltext: 388.pdf (508.62KB)

Isi artikel

The reduction of SO2, HCl, and NOx concentrations using calcium magnesium acetate (CMA) as a novel sorbent in a simulated municipal waste incinerator flue gas was investigated. The reduction of individual SO2, HCl, and NOx concentrations was tested at 850°C and it was found that CMA could reduce the SO2 concentration by 74%, HCl concentration by 64%, or NOx concentration by 94%. It was observed that individual SO2 or HCl capture increased with increasing initial oxygen concentration in the reacting gas or increasing sorbent input. NOx reduction decreased with increasing initial oxygen concentration in the reacting gas. The simultaneous reduction of SO2, HCl, and NOx concentrations by CMA was also investigated. It was found that CMA could simultaneously capture 60% SO2 and 61% HCl and reduce NOx concentrations by 26%, when the initial oxygen concentration in the reacting gas was 4%. During the simultaneous reduction of SO2, HCl, and NOx, it was noted that as the initial oxygen concentration in the reacting gas increased, the efficiency of SO2 capture increased too, but the efficiency of HCl capture and the efficiency of NOx destruction decreased.

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