Method for the recovery of iodine from an environment

Details Method for the recovery of iodine from an environment Method for the recovery of iodine from an environment

1993-07-21

1996-05-28

Bos, Steven

Chemistry of inorganic compounds

Halogen or compound thereof

Elemental halogen

423497, 423504, C01B 700, C01F 526, C01F 1120

Patent

active

055209017

ABSTRACT:
A method of removing iodine from an environment which had been previously treated with a composition containing iodine and an iodide salt is disclosed. The method involves the addition to the environment of at least one reagent which is a metal sulfite salt or a hydroxide-producing compound, in an amount sufficient to water-solubilize substantially all of the iodine, followed by recovery of the iodine. This technique is particularly useful for recovering iodine from extractant solutions used in the removal of mercury from contaminated materials.

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