Column type extraction device for pipe bundle multi-channel phase-dispersing and extraction method thereof
An extraction device and phase dispersion technology, applied in the field of extraction in chemical separation, can solve problems such as easy emulsification, difficulty in clarifying and separating the two phases of water and oil in the extraction system, etc.
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Embodiment 1
[0093] The organic phase is 50mM AOT / petroleum ether (bp.:90-120°C), the aqueous phase is lysozyme containing 1mg / mL, 0.05M borax-hydrochloric acid (HCl) buffer, potassium chloride salt concentration 0.1M, pH= 9.0. The inner diameter of the cylindrical cavity of the tower body is 80mm, and the height is 100mm. The height of the cavity at both ends of the tower body is 20mm. slim tube. The water phase is used as the dispersed phase, and the structure of the device is as follows: figure 1 shown. Motor speed 600r / min. A single-stage continuous extraction operation is carried out, and the two-phase flow ratio is controlled so that the volume ratio of the organic phase and the aqueous phase in the tower is 12:1. The concentration of lysozyme in the water phase flowing out from the heavy phase outlet 15 in the lower part of the tower body was detected, and the extraction rate was 90.8%.
Embodiment 2
[0095] The organic phase is 5.7wt% tributylphosphine oxide (TBPO) in butyl acetate solution, the aqueous phase is 0.05M penicillin potassium saline solution containing 1mg / mL whey protein, pH=4.0. The structural parameters of the tower body and the liquid phase disperser are the same as in Example 1. The organic phase is used as the dispersed phase, and the structure of the device is as follows: Figure 7 shown. Motor speed 600r / min. Perform single-stage continuous extraction operation, and control the two-phase flow ratio so that the volume ratio of the organic phase and the aqueous phase in the tower is 1:20. Detect the content of penicillin in the water phase flowing out from the heavy phase outlet 15 in the lower part of the tower body, and the extraction rate is 92.5%.
Embodiment 3
[0097] The organic phase and water are the same as Example 1. The structural parameters of the tower body and the liquid phase disperser are the same as in Example 1. The light and heavy phases are dispersed at the same time, and the structure of the device is as follows Figure 8 shown. Motor speed 600r / min. The single-stage continuous extraction operation is carried out, the two phases flow countercurrently in the device, and the flow ratio of the two phases is controlled so that the volume ratio of the organic phase and the aqueous phase in the tower is 1:1. The concentration of lysozyme in the water phase flowing out from the heavy phase outlet 15 in the lower part of the tower body was detected, and the extraction rate was 96.0%.
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