Annular centrifugal contactors are being evaluated as replacements for pulsed columns and mixer settlers in nuclear fuel cycle applications. Commercialization of this technology began 11 years ago with significant advances to the features and designs that extends their use over a broad range of liquid-liquid processing applications. Separation, washing, and extraction all benefit from the elegant design of this relatively new tool. Processing advantages of this technology include; low in-process volume per stage, rapid mixing and separation in a single unit, connection-in-series for multi-stage use, and a wide operating range of input flow rates and phase ratios without adjustment.
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