Patent ID: 9657942
Date: 2017-05-23
CPC Classifications: B01D,F23J

Claim:
1. 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, wherein the vapor phase halogen comprises iodine; passing the mercury-containing gas stream through a scrubber to remove 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; removing the halogen from the halogen-containing scrubbing medium to form a treated scrubbing medium and a removed halogen; and recycling the treated scrubbing medium to the scrubber and the removed halogen and/or a halogen-containing material comprising the removed halogen to form at least a portion of the vapor-phase halogen.