Esterification reactor and esterification reaction method based on solid catalyst
A solid catalyst and reaction device technology, applied in chemical instruments and methods, preparation of organic compounds, organic chemistry, etc., can solve the problems of reduced life of circulating pumps, limitation of catalyst dosage, long settling time, etc., to reduce wear and improve ester The effect of improving the efficiency and improving the separation effect
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[0014] Hereinafter, the main structural features and advantages of the reaction device of the present invention are respectively introduced through specific embodiments.
[0015] figure 1 It is a schematic diagram of an esterification reaction device according to a preferred embodiment of the present invention. In the reaction device, the feed pump 1, the suction ejector 2, the reaction tube 4, the elevating discharge tube 5, the circulating pump 3, and the hydrocyclone 6 in the order of feeding the liquid. The above parts are connected by pipelines as shown in the figure, and valves can be set to adjust flow and pressure.
[0016] The light phase outlet of the hydrocyclone, namely the upper outlet, is connected to the feed pump and serves as the crude product outlet at the end of the reaction; the heavy phase outlet of the hydrocyclone is the lower outlet to the catalyst reflux inlet at the bottom of the reaction tube. The catalyst can be recovered from this outlet.
[0017] The f...
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