New treatment method of threonine mother liquid
A technology for treating threonine mother liquor, which is applied in the field of threonine mother liquor treatment, can solve the problems of large one-time investment in chromatographic separation, low threonine content in extract liquid, and large consumption of ion-free water, etc., to improve the working environment , Improve the extraction yield and standardize the production process
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[0038] A method for treating threonine mother liquor, comprising the following steps:
[0039] (1) Take the mother liquor of threonine, keep the temperature of the mother liquor at 30-50°C, slowly add more than 95% ethanol solution and stir, and control the flow rate of ethanol at 50% of the volume of the mother liquor added per hour, the total flow of ethanol is the same as The volume of the mother liquor is the same; during the feeding process of ethanol, cooling water is used to cool the mother liquor outside the reactor, and the stirring is stopped after the temperature drops to 10°C, and the feed liquid is obtained by standing for 4 hours;
[0040] (2) The feed liquid obtained in step (1) is subjected to natural sedimentation for solid-liquid separation to obtain sediment and supernatant;
[0041] (3) Add water to dissolve the sediment obtained in step (2) (1 times the quality of water) and then pump it into the decolorization tank for decolorization treatment. Add powder...
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