PROCEDURE FOR EXTRACTION OF MERCURY FROM FLUORESCENT LAMPS Russian patent published in 2011 - IPC C09K11/01 C22B43/00 

FIELD: machine building.

SUBSTANCE: procedure for extraction of mercury form fluorescent lamps consists in lamps crushing, in loading scrap into container and in removal of mercury from lamps scrap in bath with solution during 1.5 hour. Further, the container is set on a tray for solution drainage. Scrap and accessories in containers are transported to a classification line. Spent solution is collected into a receiving tank and pumped over through a filter with a sulphonated coal. The filter with sulphonated coal is burned and there is produced metal mercury. Solution is collected for repeated preparation or for draining into sewage.

EFFECT: raised efficiency and energy saving at scrap processing and at gas cleaning.

1 dwg, 1 tbl