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High capacity materials for capture of metal vapors from gas streams

Image Number 3 for United States Patent #8118916.

Metal ions are adsorbed or absorbed by a combination of a binding ligand and an ionic liquid effective to dissolve the metal complex. The ligand is preferably bound to a solid surface which is coated with the ionic liquid. This method is particularly suitable for adsorbing gaseous mercury, lead, zinc and cadmium.

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