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PULSED LIQUID-LIQUID EXTRACTION COLUMN AND METHOD FOR REMOVING INTERFACE PRECIPITY.
PULSED LIQUID-LIQUID EXTRACTION COLUMN AND METHOD FOR REMOVING INTERFACE PRECIPITY.
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机译:脉冲液体萃取塔和去除界面精密度的方法。
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摘要
The invention makes it possible to remove the precipitate formed in the phase separation plane (10) in a pulsed liquid-liquid extraction column. According to the invention the precipitate is extracted by means of an extraction conduit (14) opening into the lower phase separator (6) at the height of the phase separation plane (10). In conjunction with this, a make-up conduit (16) allows the dense phase (4) to be compensated in volume. The height of the phase separation plane (10) is detected by means of two bubbling probes (20, 22) allowing a control device (26, 28) to operate two control values (24, 48) affecting the draining and make-up flow rates of the dense phase (4). Application to the reprocessing of spent nuclear fuels. IMAGE
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