Method for abatement of mercury emissions from combustion gases

Details Method for abatement of mercury emissions from combustion gases Method for abatement of mercury emissions from combustion gases

2006-05-30

2006-05-30

Cooke, Colleen P. (Department: 1754)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

C423S210500, C423S099000

Reexamination Certificate

active

07052661

ABSTRACT:
A process for removing mercury from a feed of coal, heavy oil or other mercury contaminated material is disclosed. The feed is thermally decomposed, preferably within, or above, a molten metal bath under reducing conditions, to produce a vapor product and non-vapor decomposition products, such as carbon, which dissolve in the molten metal bath. Mercury, primarily in the form of elemental metal vapor, is removed with the vapor product, cooled and passed over a mercury adsorbent to recover mercury from the gas. The decomposition products are burned, e.g., by at least periodic oxidation of the molten metal bath. Preferably a HyMelt® reactor, with a bath of molten iron, operating at superatmospheric pressure, thermally decomposes the feed. The process permits efficient mercury removal and recovery from coal using conventional adsorbents, such as activated carbon.

REFERENCES:
patent: 3662523 (1972-05-01), Reyoir et al.
patent: 4500327 (1985-02-01), Nishino et al.
patent: 4602574 (1986-07-01), Bach et al.
patent: 5177304 (1993-01-01), Nagel
patent: 5191154 (1993-03-01), Nagel
patent: 5202100 (1993-04-01), Nagel et al.
patent: 5298233 (1994-03-01), Nagel
patent: 5679132 (1997-10-01), Rauenzahn et al.
patent: 5762659 (1998-06-01), Katona et al.
patent: 5984985 (1999-11-01), Malone
patent: 6350289 (2002-02-01), Holcombe et al.
patent: 6416567 (2002-07-01), Edlund et al.
patent: 6808692 (2004-10-01), Oehr

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