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To develop an efficient extractor, a falling-film contactor with polypropylene hollow fibers as packing materials was used to extract phenol and acrylic acid from an aqueous phase with kerosene containing 30% (v/v) tributyl phosphate (TBP). The two fluids were added to the top of the extractor and due to the different affinity of the two phases, the organic phase would spread to a thin film on the...
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