Extraction of mercury and mercury compounds from contaminated ma

Details Extraction of mercury and mercury compounds from contaminated ma Extraction of mercury and mercury compounds from contaminated ma

1992-10-19

1993-07-13

Dayoan, D. Glenn

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Sorting special items or sorting by methods and apparatus...

209 12, B03B 100

Patent

active

052265455

ABSTRACT:
Mercury and mercury-containing compounds can be removed from soil, sand, and similar materials by a remediation method in which the contaminated material is treated with an aqueous composition comprising an oxidant, such as iodine, and a complexing or solubilizing agent, such as potassium iodide, the liquid and solid phases are separated, and further processed as needed.

REFERENCES:
patent: 4435284 (1984-03-01), Heytmeijer
patent: 4557759 (1985-12-01), McGrew et al.
patent: 4734171 (1985-12-01), Murphy
patent: 4857174 (1989-08-01), Moudgil et al.
patent: 4859293 (1989-08-01), Hirako et al.
patent: 5032175 (1991-07-01), Raborar et al.
C. Nunez & F. Espiell, "New Hydrometallurgical Process for Obtaining Mercury from Cinnabar Ore", Metallurgical Transactions B, vol. 15B, Jun. 1984, pp. 229-233.

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