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US 11,298,657 B2Granted
Hot-side method and system
AssigneeADA-ES, Inc.
InventorsMichael D. Durham, Sharon Sjostrom, Kenneth E. Baldrey
Life of this patent
Estimating the term…
Abstract
The present disclosure is directed to the use of elemental or speciated iodine and bromine to control total mercury emissions.
Claims16
A method, comprising:
- generating from a mercury-containing feed material a mercury-containing gas stream comprising vapor-phase elemental mercury and a vapor-phase halogen;
- passing the mercury-containing gas stream through a scrubber to remove, from the mercury-containing gas stream, at least a portion of the vapor-phase halogen and/or a halogen-containing derivative thereof and form a halogen-containing scrubbing medium and a treated gas stream;
- and
- removing a halogen from the halogen-containing scrubbing medium to form a treated scrubbing medium for recycle to the scrubber and a removed halogen and/or halogen-containing material comprising the removed halogen.
1 more element
Dependencies are inferred from the claim text.