Process and apparatus for separating mercury and red phosphorus

Details Process and apparatus for separating mercury and red phosphorus Process and apparatus for separating mercury and red phosphorus

1986-10-22

1988-05-10

Garvin, Patrick P.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 97R, 422243, 423 99, C22B 300

Patent

active

047432985

ABSTRACT:
A mixture of mercury and red phosphorus obtained by flowing an aqueous solution having at least one mercury salt dissolved in it through a layer of granular red phosphorus in a column arranged in upright position and provided, close to its lower end, with means supporting the layer of red phosphorus, is separated into its constituents. To this end, fluidizing matter is forced from below under pressure over a period of 5-30 minutes through the said means and layer of red phosphorus thereon, the mercury/red phosphorus-mixture covered with solution and provided with flow deflecting paths becoming lifted up; mercury dropping from the mixture so lifted is collected over a period of 5-30 minutes on the supporting means; fluidizing matter is forced from above under pressure over a period of 1-20 seconds into contact with the said mixture; and the mercury running down from the supporting means is collected. Apparatus for carrying out the process.

REFERENCES:
patent: 4392962 (1983-07-01), Lehr et al.

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