Process and device for controlling the electrostatic separation of crude potash salts in electrostatic free fall separators
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United States of America Patent
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May 10, 1988
Grant Date -
N/A
app pub date -
Sep 17, 1985
filing date -
Sep 18, 1984
priority date (Note) -
Expired
status (Latency Note)
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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.
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