Process and device for controlling the electrostatic separation

Details Process and device for controlling the electrostatic separation Process and device for controlling the electrostatic separation

1985-09-17

1988-05-10

Reeves, Robert B.

Classifying, separating, and assorting solids

Electrostatic

Free fall type particle charging

7386357, 2091271, 364502, B03C 712

Patent

active

047433620

ABSTRACT:
A process for controlling the electrostatic separation of crushed chemically conditioned and triboelectrically charged potash salts in a free fall wherein the setting angles of deviating blades for the separated material are controlled by means of a process computer in dependency on the K.sub.2 O-content of the residue which accumulates in the proximity of the negative, separating electrode. The mutual position of the blades determines the K.sub.2 O and NaCl discharge and the amount of the obtained middling material.

REFERENCES:
patent: 3339700 (1967-09-01), Wells
patent: 3493109 (1970-02-01), Carta et al.
patent: 4026154 (1977-05-01), Pfeiffer et al.
patent: 4236640 (1980-12-01), Knight
S. T. Talresa et al., "Radiometric Determination of Potassium in Marine Chemicals and Seawater Concentrates", Salt Research & Industry, vol. 6, No. 2, Apr. 1969.
"Chemical Abstracts" published 1968 C.A. 69(1968), 32740g, C.A. 68(1968), 71365n.
"Ullmann's Encyklopaedie der technischen Chemie", 4.sup.th Edition, vol. 13, (1977), pp. 477 to 479.

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