Process for removing mercury vapor from flue gas
First Claim
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1. A process for removing elemental mercury vapor from flue gas which comprises:
- contacting the flue gas with a gaseous oxidizing agent at a gaseous oxidizing agent region to render the elemental mercury vapor more easily oxidized; and
subjecting the flue gas to oxidation at a point downstream of the gaseous oxidizing agent region to oxidize the elemental mercury vapor and thereby render it more easily removed.
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Abstract
Process for removing elemental mercury vapor from flue gas which comprises contacting the flue gas with a gaseous oxidizing agent at a gaseous oxidizing agent region to render the elemental mercury vapor more easily oxidized. The flue gas is then subjected to oxidation at a point downstream of the gaseous oxidizing agent region to oxidize the elemental mercury vapor and thereby render it more easily removed.
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Citations
16 Claims
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1. A process for removing elemental mercury vapor from flue gas which comprises:
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contacting the flue gas with a gaseous oxidizing agent at a gaseous oxidizing agent region to render the elemental mercury vapor more easily oxidized; and
subjecting the flue gas to oxidation at a point downstream of the gaseous oxidizing agent region to oxidize the elemental mercury vapor and thereby render it more easily removed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16)
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14. A process for removing elemental mercury vapor from flue gas which comprises:
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contacting the flue gas with a gaseous oxidizing agent selected from the group consisting of Cl2, an oxide of chlorine, H2O2, and HOCl at a gaseous oxidizing agent region to render the elemental mercury vapor more easily oxidized; and
subjecting the flue gas to an electrical discharge at a point downstream of the gaseous oxidizing agent region to oxidize the elemental mercury vapor and thereby render it more easily removed.
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Specification