Process for the electrostatic separation of crude potash salts

Details Process for the electrostatic separation of crude potash salts Process for the electrostatic separation of crude potash salts

1979-03-16

1981-06-30

Halper, Robert

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

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

209 9, 209 11, 209127R, 241 24, B03B 104, B03B 102

Patent

active

042761549

ABSTRACT:
Crude potash salt is conditioned for separation into its components by means of an electrostatic field by grinding the salt to disintegration and contacting the ground salt with a conditioning agent, such as salicylic acid, which has been converted to the gaseous state, such that the conditioning agent draws up onto the surfaces of the salt crystals by absorption. The quantity of the conditioning agent employed is adjusted by varying the evaporation temperature and/or by varying the volume of heated air and/or inert gas, serving as a carrier material.

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patent: 2564546 (1951-08-01), Schev
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patent: 3008573 (1961-11-01), Gross
patent: 3033363 (1962-05-01), Weston
patent: 3217876 (1965-11-01), Autenrieth
patent: 3835599 (1974-09-01), Singewald

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