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Ethanol recovery system in L-hydroxyproline production

A technology of hydroxyproline and recovery system, which is applied to the preparation of hydroxyl compounds, the separation/purification of hydroxyl compounds, and the preparation of organic compounds, etc., which can solve the problems of increasing enterprise costs, failure to reuse, low ethanol concentration, etc., and achieve reduction Discharge of waste liquid, facilitate distillation, and reduce the effect of back steaming

Inactive Publication Date: 2020-06-26
SHANDONG JINYANG PHARMA
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] In the production of L-hydroxyproline, a large amount of waste wine will be produced. At present, there is no good way to deal with the waste wine. If the waste wine is discharged directly, the ethanol in the waste wine will cause great pollution to the environment. It will also greatly increase the cost of the business
In order to solve the above problems, the ethanol in waste wine needs to be recovered and reused, but the concentration of ethanol recovered by existing equipment is low and cannot be reused

Method used

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  • Ethanol recovery system in L-hydroxyproline production

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Embodiment Construction

[0017] figure 1 It is the best embodiment of the present invention, below in conjunction with attached figure 1 The present invention will be further described.

[0018] The ethanol recovery system in the production of L-hydroxyproline comprises a still 8, a condenser 7, a storage tank 1 and a reflux pump 6, the distillation outlet of the still 8 is connected with the tube side inlet of the condenser 7, and the condenser 7 The outlet of the tube side is connected with the input end of the reflux pump 6, and the output end of the reflux pump 6 is connected with the top of the storage tank 1 and the still 8 at the same time, between the reflux pump 6 and the still 8 and between the reflux pump 6 and the storage tank 1 Flow meters are arranged between them, a reflux valve is arranged between the reflux pump 6 and the still 8, and a storage tank input valve is arranged between the reflux pump 6 and the storage tank 1 . The reflux pump 6 of the ethanol recovery system in the prod...

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Abstract

The invention discloses an ethanol recovery system in L-hydroxyproline production, and belongs to the technical field of L-hydroxyproline production equipment. The system is characterized in that thesystem comprises a distillation still (8), a condenser (7), a storage tank (1) and a reflux pump (6); a distillation outlet of the distillation kettle (8) is communicated with a tube pass inlet of thecondenser (7); a tube pass outlet of the condenser (7) is communicated with the input end of the reflux pump (6); the output end of the reflux pump (6) is simultaneously communicated with the top ofthe storage tank (1) and the distillation still (8); flowmeters are arranged between the reflux pump (6) and the distillation still (8) and between the reflux pump (6) and the storage tank (1); a reflux valve is arranged between the reflux pump (6) and the distillation still (8); and a storage tank input valve is arranged between the reflux pump (6) and the storage tank (1). According to the ethanol recovery system in L-hydroxyproline production, waste liquid discharge can be reduced to the maximum extent, the environmental protection pressure is reduced, and the recovery rate reaches 95% or above.

Description

technical field [0001] An ethanol recovery system in L-hydroxyproline production belongs to the technical field of L-hydroxyproline production equipment. Background technique [0002] In the production of L-hydroxyproline, a large amount of waste wine will be produced. At present, there is no good way to deal with the waste wine. If the waste wine is discharged directly, the ethanol in the waste wine will cause great pollution to the environment. And it will also greatly increase the cost of the enterprise. In order to solve the above problems, it is necessary to recycle the ethanol in the waste wine, but the ethanol recovered by the existing equipment has a low concentration and cannot be reused. Contents of the invention [0003] The technical problem to be solved by the present invention is: to overcome the deficiencies of the prior art, to provide a kind of ethanol recovery in the production of L-hydroxyproline that can carry out secondary distillation to unqualified ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C29/76C07C29/80C07C31/08
CPCC07C29/76C07C29/80C07C31/08
Inventor 魏哲张继林袁萍冯作军
Owner SHANDONG JINYANG PHARMA
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