Recovery of mercury from scrap glass

Details Recovery of mercury from scrap glass Recovery of mercury from scrap glass

1982-08-05

1984-03-06

Nozick, Bernard

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

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

209 10, 209 12, 209 15, 210914, B03B 100

Patent

active

044352840

ABSTRACT:
A process for removing residual mercury from scrap fluorescent lamp exhaust tubulation or similar scrap glass is disclosed. A very small predetermined amount of finely divided silica or alumina powder is added to the mercury contaminated scrap glass and the mixture is agitated for a very short predetermined time during which the mercury is stripped from the tubulation. The separated mercury, powder and glass mixture is then decanted through a screen of suitable mesh to remove the separated mercury and powder from the glass and the mercury is then rinsed with a suitable solvent to remove the oxide powder from the mercury.

REFERENCES:
patent: 3550869 (1970-12-01), Carter

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